Difference between revisions of "Draba kassii"
Great Basin Naturalist 46: 264. 1986.
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
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| + | |label=Conservation concern | ||
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name=Draba kassii | name=Draba kassii | ||
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|authority=S. L. Welsh | |authority=S. L. Welsh | ||
|rank=species | |rank=species | ||
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|publication title=Great Basin Naturalist | |publication title=Great Basin Naturalist | ||
|publication year=1986 | |publication year=1986 | ||
| − | |special status= | + | |special status=Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_419.xml |
|tribe=Brassicaceae tribe Arabideae | |tribe=Brassicaceae tribe Arabideae | ||
|genus=Draba | |genus=Draba | ||
Latest revision as of 22:33, 5 November 2020
Perennials; caudex branched (densely covered with persistent petiole remains, branches sometimes terminating in sterile rosettes); scapose. Stems unbranched, 0.5–1.8 dm, glabrous. Basal leaves rosulate; long-petiolate; petiole ciliate throughout; blade oblanceolate to linear-oblanceolate, 1.5–5.5 cm × (1.5–)2–5.5 mm, margins entire (ciliate, trichomes simple, 0.2–1 mm), surfaces abaxially sparsely pubescent with short-stalked, submalpighiaceous trichomes, 0.3–1.3 mm, sometimes with 3- or 4-rayed ones, adaxially usually glabrous, rarely sparsely pubescent. Cauline leaves 0. Racemes 3–8(–10)-flowered, ebracteate, considerably elongated in fruit; rachis not flexuous, glabrous. Fruiting pedicels ascending to divaricate-ascending, straight, 5–14(–17) mm, glabrous. Flowers: sepals broadly ovate, 2–3 mm, subapically sparsely pubescent, (trichomes simple); petals yellow, oblanceolate, 4.5–7 × 1.2–2 mm; anthers ovate, 0.4–0.5 mm. Fruits elliptic to oblong-elliptic, plane, flattened, 3–10(–14) × 2–3 mm; valves glabrous; ovules 20–28 per ovary; style 0.6–1 mm. Seeds oblong, 1.2–1.4 × 0.7–0.8 mm. 2n = 22.
Phenology: Flowering Apr–Jun.
Habitat: Quartzite and granitic outcrops
Elevation: 2100-2600 m
Discussion
Of conservation concern.
Draba kassii is a distinctive species that is known from the Deep Creek Mountains in Juab and Tooele counties.
Selected References
None.