Comments
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tarjonnut eFloras
Some plants in each of two collections of Erigeron hyperboreus from Alaska (Parker 755, ALA; Murray 8514, ALA) have glabrous or glabrate leaves, stems, and phyllaries; other plants of the same populations are more typical and intermediacy is evident.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
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englanti
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tarjonnut eFloras
Perennials, 3–15 cm; rhizomatous, fibrous-rooted, sometimes with branched, rhizomelike caudices. Stems erect to basally ascending, hirsute to hirsuto-villous (hair cross walls purplish black), minutely glandular (conspicuously so near heads). Leaves mostly basal (persistent) or basal and cauline; basal blades narrowly oblanceolate to narrowly oblanceolate-spatulate 10–50(–60) × 1.5–6 mm, cauline linear and reduced distally, margins entire (apices acute to obtuse), faces hirsute, eglandular. Heads 1. Involucres 5–8 × 9–15 mm. Phyllaries in 2(–3) series (usually dark purple), hirsute to villous (hair cross walls purplish black), minutely glandular. Ray florets 30–60; corollas white to blue, drying white or pink, purple, or blue, 7–15 mm (mostly 1–2 mm wide), laminae coiling. Disc corollas 3.5–5 mm. Cypselae 1.7–2 mm, 2-nerved, faces densely strigoso-hirsute; pappi: outer of setae (inconspicuous), inner of 15–20 bristles. 2n = 18.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
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englanti
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tarjonnut eFloras
Erigeron alaskanus Cronquist
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Erigeron hyperboreus: Brief Summary
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englanti
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tarjonnut wikipedia EN
Erigeron hyperboreus is a rare Arctic species of flowering plant in the family Asteraceae known by the common name tundra fleabane. It has been found only in arctic tundra in Alaska, Yukon, and Northwest Territories.
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Erigeron hyperboreus: Brief Summary
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vietnam
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tarjonnut wikipedia VI
Erigeron hyperboreus là một loài thực vật có hoa trong họ Cúc. Loài này được Greene mô tả khoa học đầu tiên năm 1892.
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