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

This page is part of a dichotomous key for plants recorded as blooming in Southeastern Pennsylvania during the month of May. These plants have the following traits:
   * Yellow flowers
   * are herbaceous
Taraxacum officinale
| Head Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | Profile for Taraxacum officinale (Common Dandelion) Identifying Characteristics Habit:rosette-forming herbaceous plant with a long taprootFlowers:Head, flowers are all ray-likeFoliage:Basal only, pinnately lobedStem:flower stems are hollow with a milky sapScent:mild, "sunny"Growing Conditions:sunny and partly-shaded, well drained soils, drought intolerantFruit:achene with a silky pappusSimilar 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
Euphorbia lathyris
| Flowering plant Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | Profile for Euphorbia lathyris (Caper Spurge) Identifying Characteristics Recent Logs SB_Johnny May 15 2007 (from photographs) --SB_Johnny | 10:31, 4 July 2007 (UTC) --SB_Johnny | 11:56, 1 December 2007 (UTC) --SB_Johnny | 10:12, 17 May 2008 (UTC) --SB_Johnny | 09:47, 27 May 2008 (UTC) --SB_Johnny | 08:54, 2 June 2008 (UTC) --SB_Johnny | 09:07, 20 July 2008 (UTC) --SB_Johnny 09:05, 16 August 2008 (UTC) (view all logs) |
Global data: Temperate zone season(s): Late Spring, Early Summer, Mid Summer, Early Winter
Corydalis lutea
| Flowers and foliage Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | Profile for Corydalis lutea (Yellow Corydalis) Identifying Characteristics Habit:Mound-forming, colonizing herbaceous plantFlowers:Tubular, spurred, yellowFoliage:Pinnately compound, somewhat glaucusStem:Weak, sappyFruit:Explosive pods Recent Logs SB Johnny-LM 29 April 2008 (from written logs) --SB_Johnny | 10:09, 17 May 2008 (UTC) --SB_Johnny | 09:30, 27 May 2008 (UTC) --SB_Johnny | 08:45, 2 June 2008 (UTC) --SB_Johnny | 09:57, 20 July 2008 (UTC) --SB_Johnny 11:55, 23 September 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, Late Fall, Early Winter
Allium
| Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | Profile for Allium (Onion, Garlic, Leek, etc.) Identifying Characteristics Subclass plants:BCP/Allium aflatunense, BCP/Allium canadense, BCP/Allium cernuum, BCP/Allium flavum, BCP/Allium sativum, BCP/Allium schoenoprasum, BCP/Allium ursinum, BCP/Allium vineale Recent Logs SB_Johnny-LM May 16 2007 (from photographs) Ngravagna 16:51, 22 May 2008 (UTC) (view all logs) |
Global data: Temperate zone season(s): Late Spring, Early Summer, Mid Summer
Fragaria vesca
| flowering plant Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | Profile for Fragaria vesca (Woodland Strawberry) Identifying Characteristics Recent Logs --Anna gdf 11:56, 11 May 2010 (UTC) Anna reg 11:06, 9 May 2011 (UTC) (view all logs) |
Global data: Temperate zone season(s): Mid Spring, Late Spring, Late Summer, Early Fall
Narcissus
| A Jonquil flower Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | Profile for Narcissus (Daffodil, Jonquil, Narcissus) Identifying Characteristics Habit:Upright herbaceous plantsFoliage:Basal, straplike, slightly bluishSubclass plants:Narcissus pseudonarcissus Recent Logs 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
Waldsteinia fragarioides
| flowering plant (purple flowers are Vinca minor) Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | Profile for Waldsteinia fragarioides (Barren Strawberry) Identifying Characteristics Habit:Creeping herbaceous plant Recent Logs --SB_Johnny | 11:33, 26 April 2007 (UTC) --SB_Johnny | 17:27, 29 April 2007 (UTC) --SB_Johnny | 11:26, 4 May 2007 (UTC) SB Johnny-LM 00:23, 17 April 2008 (UTC) --SB_Johnny | 12:12, 26 April 2008 (UTC) --SB_Johnny | 12:06, 4 May 2008 (UTC) (view all logs) |
Global data: Temperate zone season(s): Mid Spring, Late Spring
Tulipa
| flowering plants Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | Profile for Tulipa (Tulip) Identifying Characteristics Recent Logs Anna gdf 17:22, 20 April 2011 (UTC) Anna reg 15:15, 25 March 2011 (UTC) Anna reg 11:48, 12 April 2010 (UTC) (view all logs) |
Global data: Temperate zone season(s): Mid Spring, Late Spring
Stylophorum diphyllum
| Flowers Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | Profile for Stylophorum diphyllum (Celandine poppy) Identifying Characteristics Flowers:4 showy petals, numerous anthers, all yellowFoliage:hairy beneath and on the petiolesFruit:podsLife Cycle: perennial Recent Logs SB_Johnny-LM 27 April, 2007 (from photographic log) SB_Johnny-LM May 13 2007 (from photographs) SB Johnny-LM 11:40, 7 July 2007 (UTC) SB_Johnny-LM 10:57, 20 April 2008 (UTC) SB Johnny-LM 11:28, 4 June 2008 (UTC) (view all logs) |
Global data: Temperate zone season(s): Mid Spring, Late Spring, Early Summer, Mid Summer
Alchemilla mollis
| Inflorescences and foliage Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | Profile for Alchemilla mollis (Lady's Mantle) Identifying Characteristics Recent Logs --SB_Johnny | 08:59, 25 June 2008 (UTC) --SB_Johnny | 09:08, 2 July 2008 (UTC) --SB_Johnny 12:21, 9 August 2008 (UTC) --SB_Johnny 09:16, 5 September 2008 (UTC) (view all logs) |
Global data: Temperate zone season(s): Late Spring, Early Summer, Mid Summer
Iris
| Flower of Iris versicolor Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | Profile for Iris (Iris) Identifying Characteristics Recent Logs Jomegat 22:24, 18 May 2010 (UTC) (view all logs) |
Global data: Temperate zone season(s): Late Spring, Early Summer
Digitalis lutea
| Spike Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | Profile for Digitalis lutea (Yellow Foxglove) Identifying Characteristics Habit:Upright herbaceous plantFlowers:On spikes, tubular and yellowFoliage:SimpleLife Cycle: Perennial Recent Logs (no logs yet) (view all logs) |
Global data:
Coreopsis lanceolata
| Head Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | 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
Barbarea vulgaris
| Closeup of flowers Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | Profile for Barbarea vulgaris (Yellow Rocketcress) Identifying Characteristics Habit:UprightFlowers:Corymbs of yellow flowers, 4 petals.Foliage:Glossy dark green, pinnately lobed or divided with a large terminal leaflet or lobeStem:green, stiffLife Cycle: BiennialSimilar Plants:Barbarea verna, Rorippa sylvestris Recent Logs Jomegat 00:36, 12 May 2009 (UTC) Jomegat 00:14, 21 May 2009 (UTC) Jomegat 01:32, 1 June 2009 (UTC) (view all logs) |
Global data: Temperate zone season(s): Mid Spring, Late Spring, Early Summer
Chelidonium majus
| Flowers, foliage, and buds Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | Profile for Chelidonium majus (Greater Celandine) Identifying Characteristics Habit:Upright herbaceous plantFlowers: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
Duchesnea indica
| Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | Profile for Duchesnea indica (Mock Strawberry) Identifying Characteristics Habit:Creeping herbaceous plantFlowers:5 yellow petalsFoliage:Trifoliate, roughly haired, dark greenFruit:Strawberry-like but with red seedsLife Cycle: Perennial Recent Logs (flowers) --SB_Johnny | 09:53, 14 July 2008 (UTC) --SB_Johnny 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
Senecio vulgaris
| Stems and flowers Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | Profile for Senecio vulgaris (Common Groundsel) Identifying Characteristics Habit:Low growing but upright herbaceous plantFlowers: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
Linaria vulgaris
| Inflorescences Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | Profile for Linaria vulgaris (Butter and Eggs) Identifying Characteristics Habit:spreading herbaceous plantFlowers:Snapdragon-like, yellowFoliage:Simple, covered in a white, waxy bloomStem:WeakScent:NoneFruit:Dry capsulesLife 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
Matricaria discoidea
| Heads Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | Profile for Matricaria discoidea (Pineappleweed) Identifying Characteristics Habit:Herbaceous forbFlowers:Discoid headsFoliage: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
Oxalis stricta
| Flowers and foliage Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | Profile for Oxalis stricta (Common Yellow Woodsorrel) Identifying Characteristics Habit:UprightFlowers:5 petals, yellowFoliage:Trifoliate, leaflets heart-shapedStem:Slender, greenFruit:Explosive capsulesLife 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
Packera obovata
| Flowers Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | Profile for Packera obovata (Golden Ragwort) Identifying Characteristics Recent Logs --SB_Johnny | 10:40, 17 May 2008 (UTC) --SB_Johnny | 10:18, 27 May 2008 (UTC) --SB_Johnny | 11:09, 4 June 2008 (UTC) (view all logs) |
Global data: Temperate zone season(s): Mid Spring, Late Spring, Early Summer
Oxalis corniculata
| Plant with flowers, showing the purple foliage Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | Profile for Oxalis corniculata (Creeping Woodsorrel) Identifying Characteristics Habit:Creeping, rooting at the nodesFlowers:Yellow, 5-petaledFoliage:Trifoliate with heart-shaped leaflets, usually purpleFruit:Explosive capsules Recent Logs --SB_Johnny | 10:29, 27 May 2008 (UTC) --SB_Johnny | 09:48, 2 July 2008 (UTC) --SB_Johnny | 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
Ranunculus
| Flower of r. repens Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock | 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