Difference between revisions of "Draba aureola"
in W. H. Brewer et al., Bot. California 2: 430. 1880.
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|accepted_name=Draba aureola | |accepted_name=Draba aureola | ||
| − | |accepted_authority=S. Watson | + | |accepted_authority=S. Watson |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in W. H. Brewer et al., Bot. California | |title=in W. H. Brewer et al., Bot. California | ||
|place=2: 430. 1880 | |place=2: 430. 1880 | ||
|year=1880 | |year=1880 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
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name=Draba aureola | name=Draba aureola | ||
| − | |authority=S. Watson | + | |authority=S. Watson |
|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
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|publication title=in W. H. Brewer et al., Bot. California | |publication title=in W. H. Brewer et al., Bot. California | ||
|publication year=1880 | |publication year=1880 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_377.xml |
|tribe=Brassicaceae tribe Arabideae | |tribe=Brassicaceae tribe Arabideae | ||
|genus=Draba | |genus=Draba | ||
Latest revision as of 22:33, 5 November 2020
Perennials; (short-lived); caudex simple or branched (poorly developed, with persistent dry leaves); not scapose. Stems unbranched or branched, 0.3–1.5 dm, hirsute throughout, trichomes simple and long-stalked, 2–4-rayed, 0.2–1.5 mm. Basal leaves (forming dense clusters); rosulate; sessile; blade oblanceolate to linear, (0.7–)1–2.5(–3.2) cm × 2–3.5(–5) mm, margins entire, (ciliate, trichomes simple and 2-rayed, 0.5–1.5 mm), surfaces densely hirsute, abaxially with stalked, 3–5-rayed trichomes, 0.1–0.5 mm, adaxially with simple and long-stalked, 2-rayed trichomes, to 1 mm, with smaller, 3–5-rayed ones. Cauline leaves 5–33; sessile; blade oblong to linear, margins entire, surfaces pubescent as basal. Racemes 12–83-flowered, ebracteate or proximalmost 1–9 flowers bracteate, slightly or not elongated in fruit; rachis not flexuous, hirsute as stem. Fruiting pedicels horizontal to divaricate, usually straight, rarely curved upward, (3–)5–12(–19) mm, hirsute as stem. Flowers: sepals ovate, 2.5–4 mm, glabrous; petals bright yellow, linear to linear-oblanceolate, 4–6 × 0.5–1(–1.2) mm; anthers narrowly oblong, 0.8–1 mm. Fruits oblong or, rarely, oblong-ovate, plane, flattened, (6–)9–14(–16) × 3–5 mm; valves pubescent, trichomes stalked, 2–4-rayed, 0.07–0.5 mm; ovules 10–20 per ovary; style (0.6–)1–1.6(–2) mm. Seeds oblong, 1.4–1.9 × 0.8–1.1 mm. 2n = 20.
Phenology: Flowering Jul–Aug.
Habitat: Open conifer forests, alpine meadows and moraines, talus slopes
Elevation: 2200-3200 m
Distribution
Calif., Oreg., Wash.
Discussion
Draba aureola is known from Lassen, Shasta, and Siskiyou counties in California, Deschutes County in Oregon, and Lewis and Pierce counties in Washington.
Selected References
None.