Blooms: April-July
Habit: herb
Duration: annual
Origin: Introduced from Mediterranean
Distribution: Chiefly west of the Cascades in Washington; British Columbia south to California, east to Idaho and Arizona; introduced from Michigan to Maine, south to Texas to Florida in the east.
Habitat: Weed of prairies, meadows, and other open, disturbed areas.
Habit: herb
Duration: annual
Origin: Introduced from Mediterranean
Distribution: Chiefly west of the Cascades in Washington; British Columbia south to California, east to Idaho and Arizona; introduced from Michigan to Maine, south to Texas to Florida in the east.
Habitat: Weed of prairies, meadows, and other open, disturbed areas.
Species Description:
General: Slender annuals 0.5-3 dm. tall, the stem simple or branched at the base, scabrous or with spreading hairs.
Leaves: Leaves in whorls of 6, 0.5-2 cm. long, narrowly elliptic and pointed, with stiff, short hairs above and scabrous beneath.
Flowers: Flowers in small heads on axillary and terminal, naked peduncles with a basal involucre of leaf-like bracts 4-9 mm. high; calyx teeth 4-6, well-developed, lanceolate; corolla funnel-shaped, pinkish, 3 mm. long, the slender tube longer than the 4 lobes; style bifid at the tip; ovary 2-celled, inferior.
Fruits: Fruit dry, scabrous, 2 mm. high, crowned by the persistent, pointed sepals.
General: Slender annuals 0.5-3 dm. tall, the stem simple or branched at the base, scabrous or with spreading hairs.
Leaves: Leaves in whorls of 6, 0.5-2 cm. long, narrowly elliptic and pointed, with stiff, short hairs above and scabrous beneath.
Flowers: Flowers in small heads on axillary and terminal, naked peduncles with a basal involucre of leaf-like bracts 4-9 mm. high; calyx teeth 4-6, well-developed, lanceolate; corolla funnel-shaped, pinkish, 3 mm. long, the slender tube longer than the 4 lobes; style bifid at the tip; ovary 2-celled, inferior.
Fruits: Fruit dry, scabrous, 2 mm. high, crowned by the persistent, pointed sepals.
Accepted Name:
Sherardia arvensis L.Synonyms:
(none)
Treated in Flora of the PNW as:
Sherardia arvensis
Additional Resources:
PNW Herbaria Specimens: View list of Sherardia arvensis specimens in the Consortium of Pacific Northwest Herbaria database.
WTU Herbarium Specimens: View list of Sherardia arvensis specimens in the WTU Herbarium database.
Washington Flora Checklist: Sherardia arvensis treatment.
E-Flora BC: Sherardia arvensis atlas page.
CalPhotos: Sherardia arvensis images.
USDA Plants Database: Sherardia arvensis.
Jim Riley
Dana Visalli
Dana Visalli
Dana Visalli
G. D. Carr, 2006
G. D. Carr, 2006
G. D. Carr, 2006
G. D. Carr, 2006
G. D. Carr, 2006
Paul Slichter, 2006
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 WA Native Plant Society |
