Physaria alpestris Suksdorf (Q3744)
Physaria alpestris is a taxon with the rank species within the genus Physaria
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Physaria alpestris Suksdorf
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Physaria alpestris is a taxon with the rank species within the genus Physaria
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Statements
taxon/id/Physaria alpestris Suksdorf
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Physaria alpestris Suksdorf
Physaria alpestris
Suksdorf
FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
accepted
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CA-BC
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US-WA
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(700-)1300-2400 m
1,300 meter
2,400 meter
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(silvery) pubescent throughout, trichomes several-rayed, rays (1-bifurcate or) 2-bifurcate, (low-umbonate, tubercles relatively few, small).
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Stems several from base, decumbent to ascending, (unbranched), 0.5–1.5 dm.
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blade obovate, 3–5 cm (width 10–20 mm, base tapering abruptly to petiole), margins entire, (apex rarely slightly acute).
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Cauline leaves: blade oblanceolate, 0.5–1.5 cm (width 3–5 mm), margins entire.
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Fruiting pedicels (divaricate, straight), 5–10 mm.
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Flowers: sepals oblong, 8–10 mm;
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petals spatulate, 12–14 mm.
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Fruits didymous, mostly highly inflated (strongly flattened at least in 1/2 toward replum), 14–18 × 14–18 mm, (papery, basal sinus slightly notched, apical open, shallow);
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valves (retaining seeds after dehiscence), evenly pubescent;
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replum lanceolate, 7–10 mm, width 1.5–2.5 mm, as wide as or wider than fruit, apex acute to acuminate;
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ovules 8–10 per ovary;
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2n = 48–52, 52, 64, 67–70.
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