Dryas alaskensis A. E. Porsild (Q3863)
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Dryas alaskensis is a taxon with the rank species within the genus Dryas
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English |
Dryas alaskensis A. E. Porsild
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Dryas alaskensis is a taxon with the rank species within the genus Dryas
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Statements
taxon/id/Dryas alaskensis A.E. Porsild
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Dryas alaskensis A.E. Porsild
Dryas alaskensis
A.E. Porsild
FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
accepted
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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-YT
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Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.
CA-NT
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Porsild, A.E. & W.J. Cody. 1980. Vascular Plants of the Continental Northwest Territories, Canada. National Museum of Natural Sciences, Ottawa, Ont. 667 pp.
CA-YT
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US-AK
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100–1800 m
100 meter
1,800 meter
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Leaf-blades obovate or oblongelliptic to narrowly oblong, 4.5–39 × 2–19 mm, base usually cuneate, sometimes truncate or cordate, margins coarsely dentate to crenate, sinuses 45–60% to midvein, apex rounded to obtuse, surfaces smooth to rugose, plicate, midvein and lateral-veins adaxially sunken into folds, abaxial sparsely hairy to tomentose, adaxial usually glabrous, sometimes sparsely hairy proximally on midvein, feathery hairs and stipitate-glands absent.
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Peduncles 25–130 mm.
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Flowers erect at flowering;
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sepals lanceolate to narrowly elliptic, 5.5–9 × 1.5–2 mm;
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petals 8, spreading, usually white or cream, sometimes yellow, 9–14 × 5–11 mm;
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filaments glabrous.
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styles 12–27 mm. 2n = 18.
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oblongelliptic
narrowly oblong
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