Difference between revisions of "Cusickiella quadricostata"
J. Jap. Bot. 63: 69. 1988.
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| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Draba quadricostata | |name=Draba quadricostata | ||
|authority=Rollins | |authority=Rollins | ||
| + | |rank=species | ||
| + | |publication_title=Contr. Dudley Herb. | ||
| + | |publication_place=3: 366. 1946 | ||
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name=Cusickiella quadricostata | name=Cusickiella quadricostata | ||
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|authority=(Rollins) Rollins | |authority=(Rollins) Rollins | ||
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|publication title=J. Jap. Bot. | |publication title=J. Jap. Bot. | ||
|publication year=1988 | |publication year=1988 | ||
| − | |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_607.xml |
|tribe=Brassicaceae tribe Boechereae | |tribe=Brassicaceae tribe Boechereae | ||
|genus=Cusickiella | |genus=Cusickiella | ||
Latest revision as of 22:34, 5 November 2020
Plants subscapose; puberulent, trichomes crisped, branched, mixed with setiform ones. Stems 0.2–0.6 dm, pubescent. Basal leaves thin; blade linear to oblong, 0.2–0.5 cm × 0.5–1(–1.5) mm, margins ciliate, (trichomes setiform, to 0.8 mm), apex acute, often apiculate, surfaces densely puberulent, trichomes minute, crisped, subdendritic, mixed with fewer setiform and simple ones; midvein obscure. Cauline leaves 1–5 (as bracts). Racemes 5–17-flowered, (bracteate basally). Fruiting pedicels 2–5 mm, glabrous or puberulent. Flowers: sepals 2.5–4 × 1–1.5 mm; petals pale yellow, spatulate or oblanceolate, 3–4.5 × 1.5–2 mm, attenuate to clawlike base to 1 mm; filaments 2–3 mm; anthers 0.4–0.5 mm; gynophore obsolete. Fruits ovoid, 4-angled, 3–5 × 2–3 mm; valves each with prominent midvein, keeled on back, puberulent; style 0.5–1 mm. Seeds brown, 1.8–2.5 × 1–1.5 mm.
Phenology: Flowering May–Jun.
Habitat: Rocky slopes and ridges, pinyon-juniper woods, loose granitic rocks, rocky crevices and flats, dwarf sagebrush slopes
Elevation: 2400-2800 m
Discussion
Of conservation concern.
Cusickiella quadricostata is narrowly restricted in California to Mono County and in Nevada to Lyon and Mineral counties.
Selected References
None.