Comprehensive Description
(
Anglèis
)
fornì da North American Flora
Arnica aspera Greene, Ottawa Nat. 15: 281. 1902
Rootstock branched; stem 5-7 dm. high, loosely hirsute, usually with retrorse hairs; stemleaves 7-9 pairs, the lower short-petioled, the petioles with connate-sheathing bases, the upper sessile; lower leaf-blades broadly oblanceolate to ovate-lanceolate, acute, saliently dentate, 4-7 cm. long, short-hispid on both sides, the middle and upper blades longer and narrower, lanceolate, long-acute, 5-10 cm. long; heads 3-7; peduncles 4-8 cm. long, hirsute and glandularpuberulent; involucre hemispheric, 9-10 cm. high, 10-12 mm. broad, sparingly villous-hirsute and acuminate; ray-flowers about 12, the ligules 12 mm. long, 4-5 mm. wide, with 3 small teeth; disk-corollas 5 mm. long, the limb rather broad; achenes 5 mm. long, sparingly hirsute; pappus-bristles 5-6 mm. long, brownish, short-plumose.
Type locality: Mount Rainier. Washington.
Distribution: Mountains of British Columbia to northern California.
- sitassion bibliogràfica
- Per Axel Rydberg. 1927. (CARDUALES); CARDUACEAE; LIABEAE, NEUROLAENEAE, SENECIONEAE (pars). North American flora. vol 34(4). New York Botanical Garden, New York, NY
Arnica amplexicaulis: Brief Summary
(
Aser
)
fornì da wikipedia AZ
Arnica amplexicaulis (lat. Arnica amplexicaulis) - mürəkkəbçiçəklilər fəsiləsinin öküzotu cinsinə aid bitki növü.
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