Athysanus pusillus (Hooker) Greene (Q3494)
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Athysanus pusillus is a taxon with the rank species within the genus Athysanus
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English |
Athysanus pusillus (Hooker) Greene
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Athysanus pusillus is a taxon with the rank species within the genus Athysanus
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Statements
taxon/id/Athysanus pusillus (Hooker) Greene
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Athysanus pusillus (Hooker) Greene
Athysanus pusillus
(Hooker) Greene
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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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-BC
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US-AZ
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US-CA
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US-ID
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US-MT
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US-NV
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US-OR
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US-WA
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Plants sparsely to densely pubescent proximally, sometimes glabrous distally.
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Stems (0.2–) 0.5–3 (–5) dm.
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Basal leaves: petiole 0.1–0.5 cm;
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blade oblanceolate, obovate, or oblong, 0.3–1.5 (–2) cm × (1–) 2–6 (–8) mm, margins entire or dentate, apex acute to obtuse, surfaces uniformly pubescent, trichomes cruciform and 3-rayed, adaxially sometimes mixed with coarse, simple ones.
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Cauline leaves 1–6;
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Fruiting pedicels slender, (1.5–) 2–4 (–6) mm.
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Flowers: sepals 0.5–1 × 0.3–0.7 mm;
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petals oblong, 1.5–3 × 0.5–1 mm;
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filaments 0.4–0.6 mm;
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anthers (0.05–) 0.1–0.2 (–0.25) mm.
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Fruits usually orbicular to obovate, rarely broadly oblong, 1-locular, not twisted;
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valves thin, veins sometimes prominent, usually pubescent, rarely glabrous, trichomes simple, to 0.5 mm, hooked (sometimes restricted to margins, or mixed with smaller, sessile, cruciform or 3-rayed ones);
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ovules 2 (–4) per ovary;
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style 0.05–0.2 mm.
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pubescent
sparsely to densely; proximally
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