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Cusickiella quadricostata
(Rollins) Rollins
Family:
Brassicaceae
Bodie Hills False Whitlow-Grass
FNA
Resources
Ihsan A. Al-Shehbaz in Flora of North America (vol. 7)
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.
Flowering May-Jun. Rocky slopes and ridges, pinyon-juniper woods, loose granitic rocks, rocky crevices and flats, dwarf sagebrush slopes; of conservation concern; 2400-2800 m; Calif., Nev.
Cusickiella quadricostata
is narrowly restricted in California to Mono County and in Nevada to Lyon and Mineral counties.
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Development supported by National Science Foundation Grants (
DBI 9983132
,
BRC 0237418
,
DBI 0743827
,
DBI 0847966
)
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