*Holosteum umbellatum Linnaeus ssp. umbellatum . Common name: Jagged Chickweed. Phenology: Mar-Jun. Habitat: Fields, roadsides, lawns, disturbed shale barrens, other disturbed areas. Distribution: Native of Europe.
Origin/Endemic status: Europe
Taxonomy Comments: Four additional subspecies are not known to be present in North America (Rabeler & Hartman 2005d).
Synonymy ⓘ: = Ar, Can, FNA5, Mo2, NE, NY, Va; < Holosteum umbellatum L. — C, F, G, GrPl, Il, K4, Mi, Oh3, Pa, RAB, S, S13, Tat, Tn, W, WV. Basionym: Holosteum umbellatum L. 1753
Links to other floras: = Holosteum umbellatum ssp. umbellatum - FNA5
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Heliophily ⓘ: 9
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© BIll Hubick | Original Image ⭷
© Bill Harms | Original Image ⭷
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© Henrik Kibak, some rights reserved (CC BY), uploaded by Henrik Kibak source CC-BY | Original Image ⭷
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Horticultural Information
Intro: Erect to leaning annual starting out as a winter rosette, found in fields, on roadsides, and in other open, disturbed areas.
Stems: Stems several from the base, unbranched, with swollen nodes, smooth below but with gland-tipped hairs above.
Leaves: Leaves opposite (basal leaves tufted), sessile to short-petiolate, oblong to lance-shaped, to 1 in. long, with tiny, stalked glands along the margins.
Inforescence:
Flowers: Flowers in terminal umbels (3-15 flowers), on long stalks that turn downward in fruit; white to pinkish, with 5 fringed, partially opened (not spreading) petals and 5 shorter, pointy sepals with thin, dry margins.
Fruits: Fruit an oval to cylindric capsule.
Comments:
Height: 2-10 in.
plant sale text:
bloom table text:
description: Erect to leaning annual starting out as a winter rosette, found in fields, on roadsides, and in other open, disturbed areas.
stems: Stems several from the base, unbranched, with swollen nodes, smooth below but with gland-tipped hairs above.
leaves: Leaves opposite (basal leaves tufted), sessile to short-petiolate, oblong to lance-shaped, to 1 in. long, with tiny, stalked glands along the margins.
inflorescence:
flowers: Flowers in terminal umbels (3-15 flowers), on long stalks that turn downward in fruit; white to pinkish, with 5 fringed, partially opened (not spreading) petals and 5 shorter, pointy sepals with thin, dry margins.
fruits: Fruit an oval to cylindric capsule.
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germination code:
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