Description
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Inglês
)
fornecido por eFloras
Plants 8–35 cm. Stems (branches from rhizomes) simple. Leaves 2–4 pairs (basal often persistent on sterile rosettes), mostly cauline; petiolate (at least basal) or sessile; blades oblanceolate to spatulate, 2–7 × 0.5–2.5 cm, margins usually entire, sometimes denticulate, rarely dentate, apices usually acute, sometimes obtuse, faces sparsely puberulent, moderately pubescent distally, stipitate-glandular. Heads 1–3(–5). Involucres turbinate-campanulate. Phyllaries 9–15, linear-oblong to narrowly lanceolate. Ray florets 6–10; corollas yellow. Disc florets: corollas yellow; anthers yellow. Cypselae brown, 4–7 mm, densely hirsute (not stipitate-glandular); pappi white, bristles barbellate . 2n = 38, 76.
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- cc-by-nc-sa-3.0
- direitos autorais
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Comprehensive Description
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Inglês
)
fornecido por North American Flora
Arnica rydbergii Greene, Pittonia 4: 36. 1899
Arnica caespitosa A. Nels. Bot. Gaz. 30: 203. 1900. Arnica tenuis Rydb. Bull. Torrey Club 28: 20. Ja 1901. Arnica aurantiaca Greene, Torreya 1: 42. Ap 1901. ^Arnica lasiosperma Greene, Leaflets 2: 48. 1910.
Rootstock short, branched; stems erect, 1-3 dm. high, sparingly villous below, more
densely so on the peduncles, with crisp hairs; leaves of the offsets and basal leaves oblanceolate,
4-7 cm. long, obtuse or acute, 3-5 ribbed, entire, tapering below into a short petiole, ciliolate on
the veins; stem-leaves mostly 3 pairs, sessile, the lower oblanceolate, the upper lanceolate,
sometimes few-toothed, more pubescent; heads 1-3; involucre densely villous at the base,
otherwise sparingly so and lightly glandular-puberulent, 10-12 mm. high and about as broad;
bracts 10-12, lance-linear, acute; ray-flowers 8-10, the ligules orange, about 15 mm. long,
3-5 mm. wide, minutely 3-toothed or subentire, pubescent on the lower surface; achenes 5-6
mm. long, hirsute; pappus-bristles white, 6-8 mm. long, barbellate. A. tenuis represents a
depauperate slender form with entire leaves.
Type locality: Little Belt Mountains, Montana.
Distribution: Alberta and British Columbia to Colorado and Oregon.
- citação bibliográfica
- Per Axel Rydberg. 1927. (CARDUALES); CARDUACEAE; LIABEAE, NEUROLAENEAE, SENECIONEAE (pars). North American flora. vol 34(4). New York Botanical Garden, New York, NY
Arnica rydbergii
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Inglês
)
fornecido por wikipedia EN
Arnica rydbergii is a North American species of flowering plant in the family Asteraceae, known by the common name Rydberg's arnica or subalpine arnica or subalpine leopardbane.[2][3][4][5] It is native to western Canada (Alberta, British Columbia), and the western United States (Alaska, Washington, Oregon, Utah, Idaho, Montana, Utah, Wyoming, Colorado, South Dakota).[6]
Arnica rydbergii is an herb up to 35 cm (14 inches) tall. Flower heads are yellow, with both ray florets and disc florets. It grows in alpine meadows and rocky slopes at high altitudes in mountainous areas.[2][7]
The species is named for Swedish-American botanist Per Axel Rydberg, 1860–1931.
References
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^ The Plant List Arnica rydbergii Greene
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^ a b Flora of North America, Rydberg’s arnica, Arnica rydbergii
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^ Montana field guide, Subalpine Arnica - Arnica rydbergii
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^ Wildflowers West, Subalpine Arnica (Arnica rydbergii) Archived June 11, 2015, at the Wayback Machine
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^ Paul Slichter, Arnicas East of the Cascade Mts. of Oregon and Washington, Rydberg's Arnica, Subalpine Arnica, Subalpine Leopardbane Arnica rydbergii
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^ Biota of North America Program 2014 county distribution map
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^ Greene, Edward Lee 1899. Pittonia 4(20D): 36–37
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- cc-by-sa-3.0
- direitos autorais
- Wikipedia authors and editors
Arnica rydbergii: Brief Summary
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Inglês
)
fornecido por wikipedia EN
Arnica rydbergii is a North American species of flowering plant in the family Asteraceae, known by the common name Rydberg's arnica or subalpine arnica or subalpine leopardbane. It is native to western Canada (Alberta, British Columbia), and the western United States (Alaska, Washington, Oregon, Utah, Idaho, Montana, Utah, Wyoming, Colorado, South Dakota).
Arnica rydbergii is an herb up to 35 cm (14 inches) tall. Flower heads are yellow, with both ray florets and disc florets. It grows in alpine meadows and rocky slopes at high altitudes in mountainous areas.
The species is named for Swedish-American botanist Per Axel Rydberg, 1860–1931.
- licença
- cc-by-sa-3.0
- direitos autorais
- Wikipedia authors and editors
Arnica rydbergii
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Vietnamita
)
fornecido por wikipedia VI
- licença
- cc-by-sa-3.0
- direitos autorais
- Wikipedia tác giả và biên tập viên
Arnica rydbergii: Brief Summary
(
Vietnamita
)
fornecido por wikipedia VI
Arnica rydbergii là một loài thực vật có hoa trong họ Cúc. Loài này được Greene mô tả khoa học đầu tiên năm 1899.
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- cc-by-sa-3.0
- direitos autorais
- Wikipedia tác giả và biên tập viên