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Caulanthus glaucus
S. Watson
Family:
Brassicaceae
Glaucous Wild Cabbage
FNA
Resources
Ihsan A. Al-Shehbaz in Flora of North America (vol. 7)
Perennials;
glabrous throughout.
Stems
erect or ascending, unbranched or branched distally, 3-12 dm.
Basal leaves
not rosulate; petiole 1-8 cm; blade broadly obovate or oblong to elliptic, 2-10 cm × 20-120 mm, margins usually entire, rarely coarsely dentate-sinuate.
Cauline leaves
(distalmost) shortly petiolate; blade lanceolate to linear, 1-3.5 cm × 3-10 mm, margins entire.
Racemes
(densely flowered), without a terminal cluster of sterile flowers.
Fruiting pedicels
ascending, 5-35 mm.
Flowers:
sepals erect, (purplish or green to yellowish green), lanceolate, 7-12 × 2-3 mm (equal); petals purple or yellowish green, (not or faintly veined),11-17.5 mm, blade 3-6 × 1.8-2.7 mm, not crisped, claw narrowly oblong to narrowly oblanceolate, 8-12 × 3-4 mm; filaments tetradynamous, median pairs 3.5-8 mm, lateral pair 2-7 mm; anthers narrowly oblong, equal, 3.5-4.5 mm.
Fruits
divaricate to ascending (often distinctly curved), terete, 4.5-15.5 cm × 1-1.6 mm; valves obscurely veined; ovules 180-210 per ovary; style 0.2-1 mm; stigma strongly 2-lobed (lobes 0.9-1.5 mm, connivent, opposite replum).
Seeds
1-2 × 0.8-1.2 mm.
2
n
= 20.
Flowering Apr-Jun. Sagebrush scrub, dry slopes and rocky outcrops; of conservation concern; 1500-2400 m; Calif., Nev.
Caulanthus glaucus
is known in California from Inyo and Mono counties and in Nevada from Esmeralda, Mineral, and Nye counties.
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