Alyssum desertorum Stapf (Q4549)
Alyssum desertorum is a synonym of Alyssum turkestanicum Regel & Schmalhausen
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English |
Alyssum desertorum Stapf
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Alyssum desertorum is a synonym of Alyssum turkestanicum Regel & Schmalhausen
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Statements
taxon/id/Alyssum desertorum Stapf
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800-2000 m
800 meter
2,000 meter
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CA-AB
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CA-BC
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CA-SK
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US-CA
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US-CO
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US-ID
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US-MT
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US-NE
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US-NV
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US-ND
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US-OR
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US-SD
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US-UT
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US-WA
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US-WY
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canescent throughout except fruit, trichomes appressed, 8–20-rayed.
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Stems simple or few to several from base, erect, ascending, or decumbent, (0.2–) 0.5–1.8 (–2.8) dm.
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Cauline leaves subsessile or (proximal) attenuate to petiolelike base (to 0.5 cm);
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blade linear to oblanceolate-linear, (0.3–) 0.5–2.5 (–3) cm × (0.5–) 1–3 (–4) mm (gradually smaller distally), base attenuate, apex acute.
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Fruiting pedicels ascending or subdivaricate, straight, stout, (1–) 1.5–3.5 (–4.5) mm, trichomes uniformly stellate.
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Flowers: sepals oblong, 1.4–1.8 (–2) × 0.4–0.5 mm, stellate-pubescent;
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petals pale-yellow, oblanceolate, 2–2.5 × 0.5–0.6 mm, base attenuate, apex obtuse or retuse, sparsely stellate-pubescent abaxially;
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filaments: median pairs not toothed, gradually expanded from apex to narrowly winged base, lateral pair with broadly winged appendage apically notched into 2 teeth, 1–1.8 (–2) mm;
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anthers ovate, 0.1–0.2 mm.
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Fruits orbicular, 2.5–4 (–4.5) mm diam., apex shallowly emarginate, usually glabrous;
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valves uniformly inflated at middle, broadly flattened at margins, often glaucous, rarely sparsely pubescent (when young);
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ovules 2 per ovary;
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style 0.3–0.7 mm, glabrous.
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attenuate to petiolelike
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linear to oblanceolate-linear
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