Description
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англиски
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Perennials, 8–30 cm (polycarpic, often with sparingly branched, woody caudices). Stems 1–10, green throughout to purple-red-tinted proximally or distally to purple-red-tinted throughout, usually unbranched distally, ± hairy. Leaves: blades simple or lobed (lobes 3–15), ± hairy, gland-dotted (basal leaf bases, sparsely, if at all, long-villous-woolly); mid leaves simple or lobed (lobes 3–7, terminal lobes 1–2.5 mm wide). Heads 1–10 per plant, usually borne singly. Peduncles 1–10 cm, ± hairy, tomentose distally near involucres. Involucres hemispheric to subglobose, 15–25 × 18–30 mm. Phyllaries in 2–3 series, subequal; outer 16–24, basally connate 1/5–1/4 their lengths, lanceolate, 9–15 mm, apices acute; inner 16–24+, lanceolate to oblanceolate, 8–12 mm, apices acuminate to acute. Ray florets 15–34(–44); corollas yellow, 16–30 × 4–8 mm. Disc florets 150–400+; corollas 5–6 mm. Cypselae obpyramidal to narrowly obpyramidal, 3.3–3.7 mm; pappi of 5–7 lanceolate, aristate scales 4.5–5.3 mm. 2n = 30.
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Synonym
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Actinella grandiflora Torrey & A. Gray, Boston J. Nat. Hist. 5: 109. 1845; Tetraneuris grandiflora (Torrey & A. Gray) K. F. Parker
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Comprehensive Description
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добавил North American Flora
Rydbergia grandiflora (T. & G.) Greene, Pittonia 3: 270. 189S
Actinella grandiflora T. & G.; A. Gray, Bost. Jour. Nat. Hist. 5: 110. 1845. Ptilepida grandiflora Rose, Contr. U. S. Nat. Herb. 3: 570. 1896.
A perennial, with a tap-root; stems 1-4 from the same root, villous, 2-3 dm. high, striate; leaves 5-10 cm. long, once or twice ternately or quinately dissected into linear divisions, only the uppermost entire; peduncles 5-10 cm. long; involucre depressed-hemispheric, in age almost rotate, 2-4 cm. in diameter; bracts linear, acuminate, densely villous; ligules brightyellow, 15-22 mm. long, 3-5 mm. wide; disk-corollas 5 mm. long, the tube only 1 mm. long; achenes 4 mm. long, densely silkyvillous ; squamellae lance-subulate, attenuate, 5 mm. long.
Type locality: Wind River Mountains [Wyoming]. Distribution: Mountains of Colorado, Utah, and Wyoming.
- библиографски навод
- Per Axel Rydberg. 1915. (CARDUALES); CARDUACEAE; HELENIEAE, TAGETEAE. North American flora. vol 34(2). New York Botanical Garden, New York, NY
Hymenoxys grandiflora: Brief Summary
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Hymenoxys grandiflora is a North American species of flowering plant in the daisy family known by the common names graylocks four-nerve daisy, graylocks rubberweed, or old man of the mountain. It is native to high elevations in the Rocky Mountains of the western United States.
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Hymenoxys grandiflora: Brief Summary
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добавил wikipedia VI
Hymenoxys grandiflora là một loài thực vật có hoa trong họ Cúc. Loài này được (Torr. & A.Gray ex Torr. & A.Gray) K.F.Parker mô tả khoa học đầu tiên năm 1950.
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