Bloom Clock/Keys/Southeastern Pennsylvania/September/White Flowers/Herbaceous

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The plants pictured below have been recorded as blooming during the month of September in Southeastern Pennsylvania.


Echinacea purpurea

Plants in bloom

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Profile for Echinacea purpurea (Purple Coneflower)
Identifying Characteristics
Habit:Upright, clump forming
Flowers:Heads with raised disks
Recent Logs[edit]


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


Erechtites hieracifolia

Heads

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Profile for Erechtites hieracifolia (Fireweed)
Identifying Characteristics
Habit:erect forb
Recent Logs[edit]

Global data:


Eupatorium rugosum

Heads

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Profile for Eupatorium rugosum (White Snakeroot)
Identifying Characteristics
Recent Logs[edit]

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Euphorbia maculata

flowers and foliage

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Profile for Euphorbia maculata (Creeping Spurge)
Identifying Characteristics
Recent Logs[edit]

Global data:


Fagopyrum esculentum

Flowers and foliage

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Profile for Fagopyrum esculentum (Buckwheat)
Identifying Characteristics
Habit:erect herbaceous plant
Foliage:cordate, alternate
Life Cycle: annual
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Global data:


Cichorium intybus

Heads

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Profile for Cichorium intybus (Chicory)
Identifying Characteristics
Habit:Erect perennial, foliage primarily basal but with some cauline leaves
Flowers:Radiate heads, both disk and ray florets typically blue but sometimes white
Life Cycle: perennial
Similar Plants:Basal foliage in spring is often mistaken for Taraxacum officinale
Recent Logs[edit]

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


Daucus carota

Umbel

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Profile for Daucus carota (Carrot, Queen Anne's Lace)
Identifying Characteristics
Habit:Upright herbaceous plant
Flowers:Umbels of white flowers, with one dark red to black flower in the center.
Foliage:Pinnatifid
Life Cycle: Biennial
Recent Logs[edit]

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


Trifolium repens

Inflorescence

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Profile for Trifolium repens (White Clover)
Identifying Characteristics
Habit:Low, spreading herbaceous plant
Foliage:Trifoliate
Stem:Creeping, rooting at the nodes
Life Cycle: perennial
Recent Logs[edit]

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


Saponaria officinalis

A white-flowered variety

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Profile for Saponaria officinalis (Soapwort)
Identifying Characteristics
Habit:Upright herbaceous plant
Scent:Flowers are sweetly scented
Life Cycle: Perennial
Recent Logs[edit]

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


Petunia x hybrida

Flowers

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Profile for Petunia x hybrida (Petunia)
Identifying Characteristics
Recent Logs[edit]

Global data:


Eupatorium perfoliatum

Flowering plant

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Profile for Eupatorium perfoliatum (Boneset)
Identifying Characteristics
Habit:Erect herbaceous plant
Foliage:Opposite, hairy, clasping the stem
Life Cycle: Perennial
Recent Logs[edit]

Global data:


Aster novae-angliae

Head

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Profile for Aster novae-angliae (New England Aster)
Identifying Characteristics
Habit:Erect, bushy herbaceous plant
Flowers:Heads with yellow disk florets and purple (sometimes pink, white, or red) rays
Foliage:Simple, alternate
Life Cycle: Perennial
Recent Logs[edit]

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


Aster lateriflorus

Illustration

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Profile for Aster lateriflorus (Calico Aster)
Identifying Characteristics
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Aster ericoides

Heads

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Profile for Aster ericoides (Heath Aster)
Identifying Characteristics
Habit:freely branched
Flowers:heads with white ray florets
Recent Logs[edit]

Global data:


Aster divaricatus

Heads

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Profile for Aster divaricatus (White wood aster)
Identifying Characteristics
Recent Logs[edit]

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


Achillea millefolium

Heads

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Profile for Achillea millefolium (Common Yarrow)
Identifying Characteristics
Habit:Upright, clump-forming
Flowers:Heads
Foliage:Pinnatifid
Life Cycle: Perennial


Recent Logs[edit]

TristanDolciano *˜˜˜12:00, 22 July 2019 (UTC)
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Global data:
Temperate zone season(s): Late Spring, Early Summer, Mid Summer, Late Summer, Early Fall, Mid Fall, Late Fall


Melilotus alba

Flowering plant

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Profile for Melilotus alba (White Sweet Clover)
Identifying Characteristics
Habit:Erect, herbaceous
Flowers:White, pea-like
Foliage:Trifoliate
Stem:Erect
Scent:Crushed leaves have a vanilla scent
Recent Logs[edit]

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


Hemerocallis

Flower of H. fulva, one of the most commonly encountered daylilies

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Profile for Hemerocallis (Daylily)
Identifying Characteristics
Habit:clumping herbaceous plant
Flowers:3 petals and 3 sepals nearly equal. Each flower lasts only one day.
Foliage:Basal, straplike
Life Cycle: Perennial
Recent Logs[edit]

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


Nicotiana sylvestris

Flowering plant

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Profile for Nicotiana sylvestris (Flowering Tobacco)
Identifying Characteristics
Habit:Upright herbaceous plant
Flowers:Tubular, white
Foliage:Large, simple leaves, sticky.
Stem:Sticky
Fruit:sticky, 4-valved capsules.
Life Cycle: Annual
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Global data:


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


Solanum carolinense

Flowering plant

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Profile for Solanum carolinense (Horsenettle)
Identifying Characteristics
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Agastache foeniculum

Inflorescences

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Profile for Agastache foeniculum (Wild Hyssop)
Identifying Characteristics
Flowers:Small tubular flowers on an upright spike
Foliage:simple, opposite
Stem:Square in cross section
Life Cycle: Perennial
Recent Logs[edit]

Global data:


Phytolacca americana

Inflorescence

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Profile for Phytolacca americana (Pokeweed)
Identifying Characteristics
Habit:Upright, bushy, herbaceous plant
Life Cycle: Perennial
Recent Logs[edit]

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


Chelone glabra

Flowers

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Profile for Chelone glabra (White Turtlehead)
Identifying Characteristics
Habit:Upright herbaceous plant
Flowers:Dense spikes of "hooded" white flowers
Foliage:Simple, opposite
Growing Conditions:Moist soils in sunny locations
Life Cycle: Perennial
Recent Logs[edit]

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


Tanacetum parthenium

Heads

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Profile for Tanacetum parthenium (Feverfew)
Identifying Characteristics
Habit:Erect, bushy herbaceous plant
Flowers:Heads with yellow centers and white rays
Foliage:Simple, pinnately lobed
Life Cycle: perennial
Recent Logs[edit]



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


Ocimum basilicum

Inflorescence

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Profile for Ocimum basilicum (Sweet Basil)
Identifying Characteristics
Habit:Upright, branching herb
Flowers:Tubular, white
Foliage:Simple
Scent:Distinct scent of Basil
Recent Logs[edit]

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


Anthemis nobilis

Illustration

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Profile for Anthemis nobilis (Roman Chamomile)
Identifying Characteristics
Flowers:Heads with yellow centers and white rays
Foliage:Finely dissected
Scent:Sweet scent from flowers
Life Cycle: Perennial
Recent Logs[edit]

Global data:


Fallopia japonica

Flowering branch

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Profile for Fallopia japonica (Japanese Knotweed)
Identifying Characteristics
Flowers:The flowers are small, creamy white, produced in erect racemes 6–15 cm long in late summer and early autumn.
Foliage:The leaves are broad oval with a truncated base, 7–14 cm long and 5–12 cm broad, with an entire margin.
Stem:hollow stems with distinct raised nodes that give it the appearance of bamboo
Life Cycle: Perennial
Recent Logs[edit]

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


Liatris spicata

Inflorescence

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Profile for Liatris spicata (Blazing Star)
Identifying Characteristics
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Heuchera americana

Inflorescence

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Profile for Heuchera americana (Alumroot)
Identifying Characteristics
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Global data:


Datura stramonium

Search for Datura stramonium on commons)

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Profile for Datura stramonium (Jimsonweed)
Identifying Characteristics
Habit:Shrub-like forb
Flowers:Trumpet-shaped, white
Fruit:Spiny capsules
Recent Logs[edit]


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


Hesperis matronalis

Closeup of purple flowers, flowers can range from white through pink, purple, or red

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Profile for Hesperis matronalis (Dame's Rocket)
Identifying Characteristics
Habit:Upright forb
Flowers:4 showy petals
Scent:Strong, sweet scent in early morning and evening
Recent Logs[edit]

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


Plantago lanceolata

Inflorescence

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Profile for Plantago lanceolata (Ribwort Plantain)
Identifying Characteristics
Habit:Rosette forming
Flowers:Inflorescence on a long stalk held above the foliage
Foliage:Lanceolate
Growing Conditions:Sunny locations, frequent in lawns
Life Cycle: Perennial
Recent Logs[edit]

--Anna reg 20:54, 29 April 2010 (UTC)

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


Melissa officinalis

Closeup of flowers and foliage

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Profile for Melissa officinalis (Lemon Balm)
Identifying Characteristics
Habit:Spreading herb
Flowers:Tubular, white
Foliage:Simple, opposite, dark green but cv. 'Aurea' has yellow leaves, and is common in gardens
Stem:Square in cross-section
Scent:Strong citrus scent from foliage
Life Cycle: Perennial
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Galium aristatum

Inflorescence

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Profile for Galium aristatum (Awned Bedstraw, False Baby's Breath)
Identifying Characteristics
Habit:Sprawling, vine-like herbaceous plant
Foliage:Whorled
Stem:Thin, flexible
Life Cycle: Perennial
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Global data:


Dahlia

Flower of cv. 'Autumn Fairy'

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Profile for Dahlia (Dahlia)
Identifying Characteristics
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Persicaria polymorpha

Inflorescence

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Profile for Persicaria polymorpha (Knotweed)
Identifying Characteristics
Habit:spreading, freely branched forb
Recent Logs[edit]

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


Mentha suaveolens

Inflorescence and leaves

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Profile for Mentha suaveolens (Apple Mint)
Identifying Characteristics
Flowers:Spikes of tubular flowers.
Foliage:Opposite, hairy.
Stem:Square in cross-section, hairy.
Scent:Like mint and apples
Life Cycle: Perennial
Recent Logs[edit]

Global data:


Corydalis ochroleuca

Inflorescence

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Profile for Corydalis ochroleuca (White Corydalis)
Identifying Characteristics
Habit:low growing, clumping herbaceous plant
Flowers:clusters of white flowers with yellow throats
Foliage:slightly bluish
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, Early Winter


Phlox paniculata

Inflorescence of a pink variety

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Profile for Phlox paniculata (Garden Phlox)
Identifying Characteristics
Habit:Upright herbaceous plant
Flowers:Corolla tubular with 5 showy lobes
Foliage:Simple
Stem:green, stiff
Life Cycle: Perennial
Recent Logs[edit]

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


Pycnanthemum incanum

Early flowers, buds and bracts

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Profile for Pycnanthemum incanum (Mountain Mint)
Identifying Characteristics
Habit:Upright, spreading herbaceous plant.
Flowers:Head-like clusters of small, tubular, white flowers. The heads are held above powdery bracts.
Foliage:Opposite, roughly textured
Scent:Very strong mint scent from crushed parts.
Life Cycle: Perennial
Recent Logs[edit]


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


Rosmarinus officinalis

Flowers and foliage

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Profile for Rosmarinus officinalis (Rosemary)
Identifying Characteristics
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Conyza canadensis

Heads and fruits

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Profile for Conyza canadensis (Horseweed)
Identifying Characteristics
Habit:Upright herbaceous plant
Flowers:Heads, usually appearing "closed". Fruits present while later flowers are opening.
Foliage:Simple
Stem:Stiff, densely covered by the leaves
Life Cycle: Annual
General information:Synonymous with Erigeron canadensis
Recent Logs[edit]

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


Plantago major

Flowering spike

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Profile for Plantago major (Broadleaf Plantain)
Identifying Characteristics
Flowers:On dense spikes
Foliage:Basal, rounded with prominent veins
Growing Conditions:Common on compacted soil
Life Cycle: perennial
Recent Logs[edit]

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


Persicaria maculosa

Inflorescence

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Profile for Persicaria maculosa (Lady's Thumb)
Identifying Characteristics
Habit:Erect herbaceous plant
Flowers:On dense terminal spikes with a pink calyx and white corolla
Foliage:Simple
Life Cycle: Annual
Recent Logs[edit]


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



last updated 13:57, 13 October 2007 (UTC) with 45 plants