Comments
provided by eFloras
A highly variable species, 2 varieties are recognized in our area.
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
provided by eFloras
Stoloniferous herbs, 5-50 cm tall, stem usually simple sometimes feebly branched, sparsely or densely whitish or greyish tomentose. Lower leaves oblong elliptic or spathulate, usually petiolate (var. nepalensis) or sessile (var. monocephala) 1 or 3-veined, 25-35 x 3-20 (-23) mm, subacute to acuminate with a blackish tip, whitish tomentose on both surface but more densely on the lower surface, upper leaves narrower, sessile, with or without a brownish scarious tip. Capitula 1-15 in corymbs, predominantly male or female; phyllaries 5-7 (-9)-seriate, hairy, white above, brownish or blackish below, outer and middle 5-7 (-8) x 2.2-2.8 mm, lanceolate with acute to acuminate tips, inner ones 4-5 x 1 m, oblong spathulate, apiculate, with green claw. Bisexual florets (functionally male) 40-60, in predominantly male capitula with 2-3 female florets, female florets 60-65 in predominantly female capitula, filiform and 3-5 bisexual florets (functionally male florets). Corolla of female florets 2.5-4 mm, yellowish brown, of male florets 2.5-3.5 mm, dark brown. Cypselas of female florets ± 1 mm long, papillose; pappus 3-4 mm long, setae thick. Cypselas of functionally male florets smaller, 0.6-0.8 mm long.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA