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Common Woolly Sunflower

Eriophyllum lanatum var. leucophyllum (DC.) W. R. Carter

Comprehensive Description

provided by North American Flora
Eriophyllum watsoni A. Gray, Proc. Am. Acad. 19: 26. 1883
Bahia leucophylla D. C. Eaton, in S. Wats. Bot. King's Expl. 17, in part. 1871. Not B. leucophylla
DC. 1836. Bahia gracilis A. Gray, Bot. Calif. 1: 382, in part. 1876. Not B. gracilis H. & A. 1838.
A perennial, with a short cespitose caudex; stems 1-1.5 dm. high, white-tomentose, simple or slightly branched; lower leaves cuneate-oblanceolate, about 1 cm. long, 3-5-toothed at the apex, white-tomentose beneath, floccose above; stem-leaves mostly pinnatifid with linear divisions, 1-2 cm. long, revolute-margined ; heads solitary; peduncles 3-8 cm. long; involucre hemispheric, 6 mm. high, 1 cm. broad or less; bracts 9-10, acute; ray-flowers as many; ligules brightyellow, 5-8 mm. long; disk-corollas 4 mm. long, glandular-puberulent; tube shorter than the throat; squamellae obovate, nearly equal, erose, and nearly 1 mm. long.
Type locality: Robert's Station, Nevada. Distribution: Oregon, Idaho, and Nevada.
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bibliographic citation
Per Axel Rydberg. 1915. (CARDUALES); CARDUACEAE; HELENIEAE, TAGETEAE. North American flora. vol 34(2). New York Botanical Garden, New York, NY
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North American Flora

Comprehensive Description

provided by North American Flora
Eriophyllum leucophyllum (DC.) Rvdb. Mem. X. Y. Bot. Gard
1: 422. 1900.
Bahia leucophylla DC. Prodr. 5: 657. 1836.
Eriophyllum caespitosum leucophyllum A. Gray, Proc. Am. Acad. 19: 26. 1883.
A perennial, with a suffruticose decumbent base; branches erect, 1.5-2, rarely 3, dm.
high, densely white-tomentose; leaves cuneate to oblanceolate in outline, 1-2 cm. long, 3-5-
toothed or -lobed towards the apex, or the uppermost entire, densely white-tomentose on
both sides, rather thick; heads solitary at the ends of the stems; peduncles 2-5 cm. long;
involucre hemispheric, 8-10 mm. high, 10-15 mm. broad; bracts 10-13, densely white-woolly;
ray-flowers 10-12; ligules oblong, 8-10 mm. long, 3-4 mm. wide; disk-corollas 4-5 mm. long;
tube scarcely 2 mm. long, shorter than the cylindro-campanulate villous throat; achenes 4-4.5 mm. long, 5-angled and striate, glabrous or only very sparingly glandular-granuliferous; squamellae oblong, erose, unequal, 1-2 mm. long.
Type locality: Nootka, northwest America. Distribution: British Columbia to Oregon.
license
cc-by-nc-sa-3.0
bibliographic citation
Per Axel Rydberg. 1915. (CARDUALES); CARDUACEAE; HELENIEAE, TAGETEAE. North American flora. vol 34(2). New York Botanical Garden, New York, NY
original
visit source
partner site
North American Flora