Difference between revisions of "Descurainia kenheilii"
Harvard Pap. Bot. 12: 395, fig. 1. 2007.
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|elevation=3600-3800 m | |elevation=3600-3800 m | ||
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| − | |discussion=<p>Descurainia kenheilii is known from the high alpine areas in Archuleta and San Juan counties.</p> | + | |discussion=<p><i>Descurainia kenheilii</i> is known from the high alpine areas in Archuleta and San Juan counties.</p> |
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name=Descurainia kenheilii | name=Descurainia kenheilii | ||
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|authority=Al-Shehbaz | |authority=Al-Shehbaz | ||
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|publication year=2007 | |publication year=2007 | ||
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|tribe=Brassicaceae tribe Descurainieae | |tribe=Brassicaceae tribe Descurainieae | ||
|genus=Descurainia | |genus=Descurainia | ||
Latest revision as of 22:36, 5 November 2020
Perennials; (short-lived, dwarf); eglandular; sparsely pubescent throughout, trichomes dendritic. Stems (simple from base), erect, usually unbranched, rarely branched distally, 0.1–0.15 dm. Basal leaves: petiole 0.3–0.6 cm; blade pinnate, oblanceolate in outline, lateral lobes (2–4 pairs), oblanceolate to obovate, (1–2.5 × 0.5–1 mm), margins entire. Cauline leaves subsessile; blade smaller distally, distal lobes narrower, surfaces sparsely pubescent. Racemes not elongated in fruit. Fruiting pedicels erect to ascending, straight, 1–1.5 mm. Flowers: sepals ascending, yellowish, ovate, 1–1.4 mm, pubescent; petals narrowly oblanceolate, 1–1.5 × 0.3–0.4 mm; median filaments 0.6–1 mm; anthers (broadly ovate), ca. 0.1 mm. Fruits erect, linear, torulose, 6–10 × 1–1.3 mm, (straight); valves each with distinct midvein; septum with distinct midvein; ovules 4–8 per ovary; style obsolete, 0.1–0.2 mm, glabrous. Seeds uniseriate, reddish brown, oblong, 1–1.2 × 0.5–0.6 mm.
Phenology: Flowering Aug–Sep.
Habitat: Alpine tundra, talus slopes
Elevation: 3600-3800 m
Discussion
Descurainia kenheilii is known from the high alpine areas in Archuleta and San Juan counties.
Selected References
None.