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*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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image of plant© BIll Hubick | Original Image ⭷
image of plant© Bill Harms | Original Image ⭷
image of plant© Henrik Kibak, some rights reserved (CC BY), uploaded by Henrik Kibak source CC-BY | Original Image ⭷
image of plant© Henrik Kibak, some rights reserved (CC BY), uploaded by Henrik Kibak source CC-BY | Original Image ⭷
image of plantno rights reserved, uploaded by Tom Erler source CC0 | Original Image ⭷

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Horticultural Information

NCBG trait

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.

comments:

cultural notes:

germination code:

native range:



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