Difference between revisions of "Draba sierrae"
Madroño 5: 149. 1940.
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|place=5: 149. 1940 | |place=5: 149. 1940 | ||
|year=1940 | |year=1940 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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|distribution=Calif. | |distribution=Calif. | ||
|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
| − | --><p>Draba sierrae is known only from the southern Sierra Nevada in east-central California (Inyo and Fresno counties).</p> | + | --><p><i>Draba sierrae</i> is known only from the southern Sierra <i>Nevada</i> in east-central California (Inyo and Fresno counties).</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Draba sierrae | name=Draba sierrae | ||
| − | |||
|authority=Sharsmith | |authority=Sharsmith | ||
|rank=species | |rank=species | ||
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|publication title=Madroño | |publication title=Madroño | ||
|publication year=1940 | |publication year=1940 | ||
| − | |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_466.xml |
|tribe=Brassicaceae tribe Arabideae | |tribe=Brassicaceae tribe Arabideae | ||
|genus=Draba | |genus=Draba | ||
Latest revision as of 22:33, 5 November 2020
Perennials; (cespitose, pulvinate, canescent); caudex branched (covered with persistent leaves, branches sometimes terminating in sterile rosettes); scapose. Stems unbranched, (0.05–)0.1–0.4 dm, pubescent throughout, trichomes pectinate or 2–4-rayed, 0.1–0.4 mm, and sometimes simple. Basal leaves (densely imbricate); rosulate; sessile; blade oblong, 0.2–0.6(–0.8) cm × 0.7–1.5(–2) mm, margins entire, (sometimes ciliate, trichomes simple, 0.5–1 mm), surfaces densely pubescent with stalked, subdendritic, 7–12-rayed trichomes, 0.2–0.5 mm. Cauline leaves 0. Racemes 2–6(–9)-flowered, ebracteate, elongated in fruit; rachis not flexuous, pubescent as stem. Fruiting pedicels divaricate to ascending, straight, 2–5(–7) mm, pubescent as stem. Flowers: sepals oblong, 2.5–3.5 mm, pubescent, (trichomes short-stalked, branched); petals yellow, spatulate, 4–5 × 1.2–1.8 mm; anthers oblong, 0.5–0.7 mm. Fruits lanceolate to elliptic or broadly oblong to ovate-orbicular, often twisted, occasionally plane, flattened, 4–8(–10) × (2–)3–4.5 mm (asymmetric); valves pubescent, trichomes short-stalked, subpectinate, or 2–4-rayed, 0.05–0.3 mm, sometimes with simple ones; ovules 8–14(–16) per ovary; style (0.1–)0.3–0.7(–1) mm. Seeds ovoid, 1.2–1.5 × 0.7–1 mm.
Phenology: Flowering Jun–Aug.
Habitat: Granite outcrops, rocky slopes
Elevation: 3500-3900 m
Discussion
Of conservation concern.
Draba sierrae is known only from the southern Sierra Nevada in east-central California (Inyo and Fresno counties).
Selected References
None.