Bloom Clock/Keys/Southeastern Pennsylvania/April/Yellow Flowers

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This page is part of a dichotomous key for plants recorded as blooming in Southeastern Pennsylvania during the month of April.
These plants have the following traits:

  • Yellow flowers

Uvularia sessilifolia

Uvularia sessilifolia 001.JPG

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Profile for Uvularia sessilifolia (Wild Oats)
Identifying Characteristics
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring, Late Spring

Regional data and additional images for Uvularia sessilifolia

Tulipa

flowering plants

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Profile for Tulipa (Tulip)
Identifying Characteristics


Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring, Late Spring

Regional data and additional images for Tulipa

Taraxacum officinale

Head

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Profile for Taraxacum officinale (Common Dandelion)
Identifying Characteristics
Habit:rosette-forming herbaceous plant with a long taproot
Flowers:Head, flowers are all ray-like
Foliage:Basal only, pinnately lobed
Stem:flower stems are hollow with a milky sap
Scent:mild, "sunny"
Growing Conditions:sunny and partly-shaded, well drained soils, drought intolerant
Fruit:achene with a silky pappus
Similar Plants:Hypochoeris radicata, Sonchus
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Winter, Late Winter, Early Spring, Mid Spring, Late Spring, Early Summer, Mid Summer, Late Summer, Early Fall, Mid Fall, Late Fall, Early Winter

Regional data and additional images for Taraxacum officinale

Senecio vulgaris

Stems and flowers

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Profile for Senecio vulgaris (Common Groundsel)
Identifying Characteristics
Habit:Low growing but upright herbaceous plant
Flowers:Enclosed heads
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Winter, Late Winter, Early Spring, Mid Spring, Late Spring, Early Summer, Mid Summer, Late Fall

Regional data and additional images for Senecio vulgaris

Packera obovata

Flowers

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Profile for Packera obovata (Golden Ragwort)
Identifying Characteristics
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring, Late Spring, Early Summer

Regional data and additional images for Packera obovata

Narcissus

A Jonquil flower

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Profile for Narcissus (Daffodil, Jonquil, Narcissus)
Identifying Characteristics
Habit:Upright herbaceous plants
Foliage:Basal, straplike, slightly bluish
Subclass plants:Narcissus pseudonarcissus
Recent Logs[edit]
  • Anna reg 12:05, 12 April 2010 (UTC)
  • Sb f 14:46, 6 March 2011 (UTC) (plants blooming in the microclimate by the springhouse, elsewhere not flowering)
  • Anna reg 18:35, 24 March 2011 (UTC)
    (view all logs)

Global data:
Temperate zone season(s): Early Spring, Mid Spring, Late Spring

Regional data and additional images for Narcissus

Forsythia x intermedia

blooming plant

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Profile for Forsythia x intermedia (Garden Forsythia)
Identifying Characteristics
Habit:suckering shrub
Flowers:4-petaled, yellow
Foliage:Simple, opposite, serrate margins, emerging about 1/2-way through full bloom
Stem:hollow pith
Recent Logs[edit]

Global data:
Temperate zone season(s): Early Winter, Mid Winter, Early Spring, Mid Spring

Regional data and additional images for Forsythia x intermedia

Duchesnea indica

Duchesnea indica7.jpg

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Profile for Duchesnea indica (Mock Strawberry)
Identifying Characteristics
Habit:Creeping herbaceous plant
Flowers:5 yellow petals
Foliage:Trifoliate, roughly haired, dark green
Fruit:Strawberry-like but with red seeds
Life Cycle: Perennial
Recent Logs (flowers)[edit]


(view all logs)

Global data:
Temperate zone season(s): Mid Spring, Late Spring, Early Summer, Mid Summer, Early Fall, Mid Fall, Late Fall

Regional data and additional images for Duchesnea indica

Chelidonium majus

Flowers, foliage, and buds

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Profile for Chelidonium majus (Greater Celandine)
Identifying Characteristics
Habit:Upright herbaceous plant
Flowers:4 showy petals, many anthers, yellow.
Foliage:Pinnately compound with lobed leaflets.
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring, Late Spring, Early Summer, Mid Summer, Late Summer, Early Fall

Regional data and additional images for Chelidonium majus

Buxus

Buxus 'Green Velvet', foliage

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Profile for Buxus (Boxwood)
Identifying Characteristics
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring

Regional data and additional images for Buxus

Berberis thunbergii

Branch with flowers and leaves

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Profile for Berberis thunbergii (Japanese Barberry)
Identifying Characteristics
Recent Logs[edit]


(view all logs)

Global data:
Temperate zone season(s): Mid Spring, Late Spring

Regional data and additional images for Berberis thunbergii

Barbarea vulgaris

Closeup of flowers

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Profile for Barbarea vulgaris (Yellow Rocketcress)
Identifying Characteristics
Habit:Upright
Flowers:Corymbs of yellow flowers, 4 petals.
Foliage:Glossy dark green, pinnately lobed or divided with a large terminal leaflet or lobe
Stem:green, stiff
Life Cycle: Biennial
Similar Plants:Barbarea verna, Rorippa sylvestris
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring, Late Spring, Early Summer

Regional data and additional images for Barbarea vulgaris

Barbarea verna

Barbaraea verna 18032004 3.jpg

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Profile for Barbarea verna (Pale yellow rocket)
Identifying Characteristics
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring

Regional data and additional images for Barbarea verna

Lamium

flowers of L. orvala

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Profile for Lamium (Deadnettle)
Identifying Characteristics
Subclass plants:L. album, L. purpureum
Recent Logs[edit]
  • SB_Johnny-LM 27 April, 2007 (from photographic log) (unidentified cultivar)


(view all logs)

Global data:
Temperate zone season(s): Early Spring, Mid Spring, Late Spring

Regional data and additional images for Lamium

Corylopsis

Corylopsis spicata, flowers & stems

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Profile for Corylopsis (Winter Hazels)
Identifying Characteristics
Subclass plants:C. spicata
Recent Logs[edit]

Global data:

Regional data and additional images for Corylopsis

Epimedium

Illustration of E. alpinum

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Profile for Epimedium (Barrenwort)
Identifying Characteristics
Subclass plants:E. leptorhizum'
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring, Late Spring

Regional data and additional images for Epimedium

Quercus alba

Search for Quercus alba on commons)

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Profile for Quercus alba (White Oak)
Identifying Characteristics
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring

Regional data and additional images for Quercus alba

Quercus

flowers on a red oak

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Profile for Quercus (Oak)
Identifying Characteristics
Recent Logs[edit]


(view all logs)

Global data:
Temperate zone season(s): Mid Spring

Regional data and additional images for Quercus

Viola

Viola cornuta, a species of Viola

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Profile for Viola (Violet)
Identifying Characteristics
Subclass plants:V. labradorica,

V. pedata,
V. tricolor,

V. x wittrockiana


Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring, Late Spring, Early Summer, Mid Summer, Early Fall, Mid Fall, Late Fall, Early Winter

Regional data and additional images for Viola

Crocus

Flowering plants

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Profile for Crocus (Crocus)
Identifying Characteristics
Subclass plants:Crocus tommasinianus
Crocus vernus
Recent Logs[edit]
  • --Anna reg 18:43, 24 March 2011 (UTC)
  • --Jomegat 15:54, 16 March 2010 (UTC) (first bloom of 2010)


(view all logs)

Global data:

Regional data and additional images for Crocus

Quercus palustris

Search for Quercus palustris on commons)

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Profile for Quercus palustris (Pin Oak)
Identifying Characteristics
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring

Regional data and additional images for Quercus palustris

Kerria japonica

flowering branch

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Profile for Kerria japonica (Kerria)
Identifying Characteristics
Habit:suckering, arching shrub
Recent Logs[edit]


(view all logs)

Global data:
Temperate zone season(s): Mid Spring, Late Spring

Regional data and additional images for Kerria japonica

Salix 'Pendula'

Salix sp., showing the unmistakable and typical habit of weeping Salix. Image shows Salix babylonica

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Profile for Salix 'Pendula' (Weeping Willow)
Identifying Characteristics
Similar Plants:Logs for this plant may include a number of species, hybrids and cultivars.
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring

Regional data and additional images for Salix 'Pendula'

Quercus rubra

Search for Quercus rubra on commons)

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Profile for Quercus rubra (Red Oak)
Identifying Characteristics
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring

Regional data and additional images for Quercus rubra

Salix 'Tortuosa'

Salix.babylonica'Tortuosa'(.jpg

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Profile for Salix 'Tortuosa' (Corkscrew Willow)
Identifying Characteristics
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring

Regional data and additional images for Salix 'Tortuosa'

Rhododendron

Flowers

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Profile for Rhododendron (Rhododendrons and Azaleas)
Identifying Characteristics
Subclass plants:R. calendulaceum,

R. catawbiense,
R. maximum,
R. molle,
R. prinophyllum,
R. subsp. vireya,
R. 'Delaware Valley White',
R. 'Girard's Crimson',
R. 'Hershey's Red',
R. 'PJM',
R. 'Pleasant White',

R. 'Roseum Elegans',
Recent Logs[edit]

Global data:
Temperate zone season(s): Early Spring, Mid Spring, Late Spring, Early Summer, Mid Summer

Regional data and additional images for Rhododendron

Jasminum nudiflorum

Flowers

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Profile for Jasminum nudiflorum (Winter Jasmine)
Identifying Characteristics
Recent Logs[edit]


(view all logs)

Global data:
Temperate zone season(s): Early Spring, Mid Spring

Regional data and additional images for Jasminum nudiflorum

Mahonia bealei

Flowering plant

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Profile for Mahonia bealei (Grape-holly)
Identifying Characteristics
Recent Logs[edit]


(view all logs)

Global data:
Temperate zone season(s): Early Spring, Mid Spring

Regional data and additional images for Mahonia bealei

Symphytum grandiflorum

Symphytum-grandiflorum-uncertain-0874.JPG

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Profile for Symphytum grandiflorum (Creeping Comfrey)
Identifying Characteristics
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring

Regional data and additional images for Symphytum grandiflorum

Fagus sylvatica

Beech flowers.jpg

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Profile for Fagus sylvatica (European Beech)
Identifying Characteristics
Subclass plants:F. sylvatica purpurea
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring

Regional data and additional images for Fagus sylvatica

Corylus americana

Corylus americana, fruits

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Profile for Corylus americana (American Hazelnut)
Identifying Characteristics
Habit:Shrub, small tree
Flowers:Male catkin is brown to yellow in late winter or early spring. Female flower is red and obscure.
Foliage:Serrate, cardoid
Stem:Multiple or single stem.
Fruit:Edible nut
Life Cycle: Perennial
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring

Regional data and additional images for Corylus americana

Fragaria vesca

flowering plant

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Profile for Fragaria vesca (Woodland Strawberry)
Identifying Characteristics
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring, Late Spring, Late Summer, Early Fall

Regional data and additional images for Fragaria vesca

Aurinia saxatilis

Alyssum saxatile Goldkugel Felsensteinkraut 1.jpg

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Profile for Aurinia saxatilis (Basket of Gold)
Identifying Characteristics
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring

Regional data and additional images for Aurinia saxatilis

Oxalis stricta

Flowers and foliage

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Profile for Oxalis stricta (Common Yellow Woodsorrel)
Identifying Characteristics
Habit:Upright
Flowers:5 petals, yellow
Foliage:Trifoliate, leaflets heart-shaped
Stem:Slender, green
Fruit:Explosive capsules
Life Cycle: Annual
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring, Late Spring, Early Summer, Mid Summer, Late Summer, Early Fall, Mid Fall, Late Fall

Regional data and additional images for Oxalis stricta

Acer negundo

Inflorescence

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Profile for Acer negundo (Boxelder)
Identifying Characteristics
Recent Logs[edit]

Multiple pink flowers on single stem
(view all logs)

Global data:
Temperate zone season(s): Mid Spring

Regional data and additional images for Acer negundo

Oxalis corniculata

Plant with flowers, showing the purple foliage

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Profile for Oxalis corniculata (Creeping Woodsorrel)
Identifying Characteristics
Habit:Creeping, rooting at the nodes
Flowers:Yellow, 5-petaled
Foliage:Trifoliate with heart-shaped leaflets, usually purple
Fruit:Explosive capsules
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring, Late Spring, Early Summer, Mid Summer, Late Summer, Early Fall, Mid Fall

Regional data and additional images for Oxalis corniculata

Waldsteinia fragarioides

flowering plant (purple flowers are Vinca minor)

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Profile for Waldsteinia fragarioides (Barren Strawberry)
Identifying Characteristics
Habit:Creeping herbaceous plant
Recent Logs[edit]


(view all logs)

Global data:
Temperate zone season(s): Mid Spring, Late Spring

Regional data and additional images for Waldsteinia fragarioides

Sassafras albidum

Illustration

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Profile for Sassafras albidum (Sassafras)
Identifying Characteristics
Habit:Medium sized tree or large shrub
Foliage:Unlobed, lobed on one side (resembling a mitten), or on two sides (resembling a mitten with 2 thumbs)
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Spring, Late Spring

Regional data and additional images for Sassafras albidum

Erythronium americanum

Flowering plant

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Profile for Erythronium americanum (Yellow Trout Lily)
Identifying Characteristics
Recent Logs[edit]

Global data:
Temperate zone season(s): Early Spring, Mid Spring

Regional data and additional images for Erythronium americanum

Corydalis cheilanthifolia

Flowers and foliage

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Profile for Corydalis cheilanthifolia (Fernleaf Corydalis)
Identifying Characteristics
Recent Logs[edit]


(view all logs)

Global data:
Temperate zone season(s): Early Spring, Mid Spring, Early Summer

Regional data and additional images for Corydalis cheilanthifolia

Salix discolor

Illustration

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Profile for Salix discolor (Pussy Willow)
Identifying Characteristics
Recent Logs[edit]


(view all logs)

Global data:
Temperate zone season(s): Early Spring, Mid Spring

Regional data and additional images for Salix discolor

Cornus mas

Flowers are on short spurs, covering the branches

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Profile for Cornus mas (Cornelian Cherry)
Identifying Characteristics
Recent Logs[edit]


(view all logs)

Global data:
Temperate zone season(s): Early Spring, Mid Spring, Late Spring

Regional data and additional images for Cornus mas

Lindera benzoin

Illustration

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Profile for Lindera benzoin (Spicebush)
Identifying Characteristics
Habit:large shrub
Recent Logs[edit]


(view all logs)

Global data:
Temperate zone season(s): Mid Spring

Regional data and additional images for Lindera benzoin

Primula vulgaris

flowers

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Profile for Primula vulgaris (Primrose)
Identifying Characteristics
Recent Logs[edit]



(view all logs)

Global data:
Temperate zone season(s): Mid Spring

Regional data and additional images for Primula vulgaris

Corylopsis spicata

Flowers on a branch

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Profile for Corylopsis spicata (Winter Hazel)
Identifying Characteristics
Habit:Shrub, wider than tall
Stem:Zig-zagging
Recent Logs[edit]


(view all logs)

Global data:
Temperate zone season(s): Early Spring, Mid Spring

Regional data and additional images for Corylopsis spicata

Taxus baccata

male cones

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Profile for Taxus baccata (Yew)
Identifying Characteristics
Habit:Coniferous shrub or small tree
Flowers:Male cones are yellow, and release clouds of pollen when disturbed by wind or other movement
Recent Logs[edit]


(view all logs)

Global data:
Temperate zone season(s): Early Spring, Mid Spring

Regional data and additional images for Taxus baccata

Stylophorum diphyllum

Flowers

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Profile for Stylophorum diphyllum (Celandine poppy)
Identifying Characteristics
Flowers:4 showy petals, numerous anthers, all yellow
Foliage:hairy beneath and on the petioles
Fruit:pods
Life Cycle: perennial
Recent Logs[edit]


(view all logs)

Global data:
Temperate zone season(s): Mid Spring, Late Spring, Early Summer, Mid Summer

Regional data and additional images for Stylophorum diphyllum

Viola x wittrockiana

A Purple-flowered variety

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Profile for Viola x wittrockiana (Pansy)
Identifying Characteristics
Habit:Short-lived, low-growing perennial, with mostly cool season blooms
Higher taxa:Viola


Recent Logs[edit]

Global data:
Temperate zone season(s): Early Spring, Mid Spring, Mid Summer, Early Fall, Mid Fall, Late Fall, Early Winter

Regional data and additional images for Viola x wittrockiana

Ranunculus ficaria

Flower and foliage

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Profile for Ranunculus ficaria (Lesser Celandine)
Identifying Characteristics
Habit:Low, spreading
Foliage:glabrous, dark green
Life Cycle: perennial
Recent Logs[edit]


(view all logs)

Global data:
Temperate zone season(s): Early Spring, Mid Spring

Regional data and additional images for Ranunculus ficaria



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Last updated 11:58, 27 April 2008 (UTC) from the DPL page with 49 plants.