Erigeron trifidus Hooker (Q2209)
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Erigeron trifidus is a taxon with the rank species within the genus Erigeron
Language | Label | Description | Also known as |
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English |
Erigeron trifidus Hooker
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Erigeron trifidus is a taxon with the rank species within the genus Erigeron
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Statements
taxon/id/Erigeron trifidus Hooker
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Erigeron trifidus Hooker
Erigeron trifidus
Hooker
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 20: Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford University Press, New York.
accepted
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CA-AB
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Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.
CA-BC
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Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.
CA-AB
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CA-BC
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ca. 2600–3400 m
2,600 meter
3,400 meter
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taprooted, caudex branches rhizomelike, relatively thick to thin, woody.
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Stems mostly erect, hispido-hirsute, sometimes woolly distally, minutely glandular.
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Leaves basal (persistent);
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blades spatulate to obovate-spatulate, 8–30 × 3–6 mm, margins usually 3-lobed, sometimes 2-lobed or entire (lobes 3–8 mm, lanceolate to narrowly ovate or oblong, apices usually acute), ultimately entire, coarsely ciliate, faces hirsute, minutely glandular.
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Involucres 8–12 × 10–15 mm.
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Ray-florets 20–40;
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corollas white to pinkish, 10–15 mm, laminae not coiling or reflexing.
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Disc corollas 3.5–4.5 mm.
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Cypselae 2–2.5 mm, 2-nerved, faces sparsely strigose;
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pappi: outer of setae, inner of 15–20 bristles (not twisted).
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