Comments
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Inglês
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fornecido por eFloras
Chaenactis evermannii is known from mountains of central Idaho. Reports of it from Washington and California/Nevada (P. Stockwell 1940, some as C. nevadensis var. mainsiana) were based on specimens of C. thompsonii and C. alpigena, respectively; all three species are closely related.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
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Inglês
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fornecido por eFloras
Perennials, mostly 6–12 cm (cespitose or ± matted); proximal indument thinning with age, grayish, mostly arachnoid-sericeous to thinly lanuginose. Stems mostly 5–20+, ascending to erect. Leaves basal, 1–5 cm; largest blades broadly ± elliptic, ± plane, 1-pinnately lobed; lobes 2–5 pairs, remote, ± plane. Heads 1(–3) per stem. Peduncles mostly ascending to erect, 5–10 cm. Involucres ± obconic. Phyllaries: longest 8–12 mm; outer predominantly closely lanuginose, sparsely, if at all, stipitate-glandular, apices erect, ± rigid. Corollas 5–6.5 mm. Cypselae 5–6.5 mm (eglandular); pappi: longest scales 2.5–4.5 mm (lengths 0.4–0.8 times corollas). 2n = 12.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
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Inglês
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fornecido por eFloras
Chaenactis nevadensis (Kellogg) A. Gray var. mainsiana (A. Nelson & J. F. Macbride) Stockwell
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Comprehensive Description
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Inglês
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fornecido por North American Flora
Chaenactis evermannii Greene, Leaflets 2: 224. 1912
A subscapose perennial with long cespitose creeping rootstocks; leaves 1-2 cm. long, spatulate, 3-5-toothed or -lobed above the middle, loosely floccose or in age glabrate; peduncles 1-3 cm. long, floccose; involucre turbinate, 6-8 mm. high and as broad, puberulent; bracts linear-spatulate, rounded at the apex, rather few and unequal; corollas flesh-colored or white, 5 mm. long; achenes 5 mm. long, hirsutulous; squamellae 8, unequal, oblong, obtuse, the longer 4-5 mm. long.
Type locality: Near Sawtooth, Idaho. Distribution: Known only from the type locality.
- citação bibliográfica
- Per Axel Rydberg. 1914. (CARDUALES); CARDUACEAE; HELENIEAE. North American flora. vol 34(1). New York Botanical Garden, New York, NY
Chaenactis evermannii
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Inglês
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fornecido por wikipedia EN
Chaenactis evermannii is a North American species of flowering plants in the aster family known by the common name Evermann's pincushion. It is found only at high altitudes in the mountains in the central part of the US State of Idaho.[2][3]
Description
Chaenactis evermannii is a small perennial rarely more than 12 cm (5 inches) tall. Each branch produces 1-3 flower heads each containing disc florets but no ray florets.[4][5] It grows in subalpine, usually decomposing, granitic sand or gravel slopes, ridges, scree, talus, or above conifer forests.[4]
The species is named for American ichthyologist Barton Warren Evermann (1853–1932).[5]
References
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Chaenactis evermannii: Brief Summary
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Inglês
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fornecido por wikipedia EN
Chaenactis evermannii is a North American species of flowering plants in the aster family known by the common name Evermann's pincushion. It is found only at high altitudes in the mountains in the central part of the US State of Idaho.
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- Wikipedia authors and editors
Chaenactis evermannii
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Vietnamita
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fornecido por wikipedia VI
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Chaenactis evermannii: Brief Summary
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Vietnamita
)
fornecido por wikipedia VI
Chaenactis evermannii là một loài thực vật có hoa trong họ Cúc. Loài này được Greene mô tả khoa học đầu tiên năm 1912.
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- Wikipedia tác giả và biên tập viên
