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

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

Linaria vulgaris

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Profile for Linaria vulgaris (Butter and Eggs)

Identifying Characteristics
Habit:	spreading herbaceous plant
Flowers:	Snapdragon-like, yellow
Foliage:	Simple, covered in a white, waxy bloom
Stem:	Weak
Scent:	None
Fruit:	Dry capsules
Life Cycle:	Perennial

Recent Logs

Jomegat 21:38, 22 June 2010 (UTC)
Anna reg 12:48, 20 October 2011 (UTC)
(view all logs)

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

Regional data and additional images for Linaria vulgaris

Taraxacum officinale

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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

Jomegat 02:17, 7 April 2010 (UTC)
Anna reg 10:13, 17 April 2010 (UTC)
Trinity507 16:17, 22 April 2010 (UTC)
Trinity507 03:48, 4 May 2010 (UTC)
Anna gdf 11:38, 11 May 2010 (UTC)
(view all logs)

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

Oxalis stricta

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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

Jomegat 17:01, 27 May 2010 (UTC)
Anna reg 29 May 2010 (Photo)
(view all logs)

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

Chelidonium majus

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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

Jomegat 23:24, 5 May 2010 (UTC)
(view all logs)

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

Ranunculus

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Profile for Ranunculus (Buttercup)

Identifying Characteristics
Subclass plants:	R. ficaria

Recent Logs

Jomegat 00:19, 7 May 2010 (UTC)
Anna gdf 11:41, 11 May 2010 (UTC)
(view all logs)

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

Regional data and additional images for Ranunculus

Digitalis lutea

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Profile for Digitalis lutea (Yellow Foxglove)

Identifying Characteristics
Habit:	Upright herbaceous plant
Flowers:	On spikes, tubular and yellow
Foliage:	Simple
Life Cycle:	Perennial

Recent Logs

(no logs yet)
(view all logs)

Global data:

Regional data and additional images for Digitalis lutea

Duchesnea indica

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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)

--SB_Johnny | ^talk 09:53, 14 July 2008 (UTC)
--SB_Johnny ^talk 09:25, 31 August 2008 (UTC)
--Clarinetguy097 (discuss • contribs) 17:01, 26 May 2020 (UTC)
--Clarinetguy097 (discuss • contribs) 01:40, 19 April 2021 (UTC)
--Clarinetguy097 (discuss • contribs) 01:17, 6 September 2021 (UTC)
--Clarinetguy097 (discuss • contribs) 18:13, 26 September 2021 (UTC)
--Clarinetguy097 (discuss • contribs) 21:53, 1 October 2021 (UTC)
--Clarinetguy097 (discuss • contribs) 20:27, 14 October 2021 (UTC)
--Clarinetguy097 (discuss • contribs) 19:41, 16 October 2021 (UTC)

(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

Coreopsis lanceolata

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Profile for Coreopsis lanceolata (Lanceleaf Tickseed)

Identifying Characteristics

Recent Logs

SB Johnny-LM 19:50, 30 May 2007 (UTC)
SB Johnny-LM 19:32, 2 July 2007 (UTC)
SB Johnny-LM 11:03, 31 May 2008 (UTC)
SB Johnny-LM 12:08, 4 June 2008 (UTC)
Ngravagna 02:23, 9 June 2008 (UTC)
Ngravagna 19:58, 15 June 2008 (UTC)
Ngravagna 17:23, 21 June 2008 (UTC)
Ngravagna 18:26, 28 June 2008 (UTC)
(view all logs)

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

Regional data and additional images for Coreopsis lanceolata

Lonicera maackii

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Profile for Lonicera maackii (Amur Honeysuckle)

Identifying Characteristics

Recent Logs

--SB_Johnny | ^talk 23:17, 20 May 2007 (UTC)
SBJ 09:18, 25 May 2007 (UTC)
--SB_Johnny | ^talk 17:31, 27 May 2007 (UTC)
SB Johnny-LM 11:44, 9 May 2008 (UTC)
--SB_Johnny | ^talk 10:37, 17 May 2008 (UTC)
--SB_Johnny | ^talk 10:06, 27 May 2008 (UTC)
(view all logs)

Global data:

Regional data and additional images for Lonicera maackii

Matricaria discoidea

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Profile for Matricaria discoidea (Pineappleweed)

Identifying Characteristics
Habit:	Herbaceous forb
Flowers:	Discoid heads
Foliage:	The leaves are pinnately dissected and sweet-scented when crushed.
Stem:	The plant grows 3 to 12 inches (7.5 - 30 cm) high.
Scent:	The flowers exude a chamomile/pineapple aroma when crushed.
Growing Conditions:	Disturbed areas, especially those with poor, compacted soil. It can be seen blooming on footpaths, roadsides, and similar places in spring and early summer.
Life Cycle:	Annual

Recent Logs

Jomegat 22:58, 1 June 2010 (UTC)
(view all logs)

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

Regional data and additional images for Matricaria discoidea

Berberis x gladwinensis

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Profile for Berberis x gladwinensis (William Penn Barberry)

Identifying Characteristics
Habit:	Slow growing, heavily spined shrub
Flowers:	Yellow, in axillary clusters
Foliage:	Evergreen (but reddish in winter), spined

Recent Logs

--SB_Johnny | ^talk 23:17, 20 May 2007 (UTC)
--SB_Johnny | ^talk 17:37, 3 May 2008 (UTC)
--SB_Johnny | ^talk 09:43, 17 May 2008 (UTC)
--SB_Johnny | ^talk 09:05, 27 May 2008 (UTC)

(view all logs)

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

Regional data and additional images for Berberis x gladwinensis

Packera obovata

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Profile for Packera obovata (Golden Ragwort)

Identifying Characteristics

Recent Logs

--SB_Johnny | ^talk 10:40, 17 May 2008 (UTC)
--SB_Johnny | ^talk 10:18, 27 May 2008 (UTC)
--SB_Johnny | ^talk 11:09, 4 June 2008 (UTC)
(view all logs)

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

Regional data and additional images for Packera obovata

Elaeagnus angustifolia

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Profile for Elaeagnus angustifolia (Russian Olive)

Identifying Characteristics

Recent Logs

SBJ 12:05, 12 May 2007 (UTC)
--SB_Johnny | ^talk 10:11, 17 May 2008 (UTC)

(view all logs)

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

Regional data and additional images for Elaeagnus angustifolia

Rhododendron

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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

Jomegat 18:28, 23 April 2009 (UTC)
Jomegat 22:52, 6 May 2009 (UTC)
Jomegat 00:39, 12 May 2009 (UTC)
Jomegat 00:13, 15 July 2009 (UTC)
Anna reg 13:41, 10 April 2011 (Photo)
(view all logs)

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

Regional data and additional images for Rhododendron

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

--SB_Johnny | ^talk 10:29, 27 May 2008 (UTC)
--SB_Johnny | ^talk 09:48, 2 July 2008 (UTC)
--SB_Johnny | ^talk 10:21, 14 July 2008 (UTC)
Jomegat 23:20, 12 August 2008 (UTC)
Jomegat 17:59, 7 October 2008 (UTC)
Jomegat 16:31, 10 October 2008 (UTC)
(view all logs)

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

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Profile for Waldsteinia fragarioides (Barren Strawberry)

Identifying Characteristics
Habit:	Creeping herbaceous plant

Recent Logs

--SB_Johnny | ^talk 11:33, 26 April 2007 (UTC)
--SB_Johnny | ^talk 17:27, 29 April 2007 (UTC)
--SB_Johnny | ^talk 11:26, 4 May 2007 (UTC)
SB Johnny-LM 00:23, 17 April 2008 (UTC)
--SB_Johnny | ^talk 12:12, 26 April 2008 (UTC)
--SB_Johnny | ^talk 12:06, 4 May 2008 (UTC)

(view all logs)

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

Regional data and additional images for Waldsteinia fragarioides

Sassafras albidum

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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

--SB_Johnny | ^talk 09:15, 25 April 2008 (UTC)
--Luai lashire 21:11, 28 April 2008 (UTC)
--Luai lashire 21:11, 3 May 2008 (UTC)
(view all logs)

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

Regional data and additional images for Sassafras albidum

Senecio vulgaris

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Profile for Senecio vulgaris (Common Groundsel)

Identifying Characteristics
Habit:	Low growing but upright herbaceous plant
Flowers:	Enclosed heads

Recent Logs

Jomegat 16:41, 18 May 2010 (UTC)
(view all logs)

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

Barbarea vulgaris

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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