Astragalus kentrophyta var. danaus

(Barneby) Barneby

Leafl. W. Bot. 6: 154. 1951.

Common names: Mount Dana kentrophyta
Endemic
Basionym: Astragalus tegetarius var. danaus Barneby Leafl. W. Bot. 6: 95. 1951
Treatment appears in FNA Volume 11.
Revision as of 18:51, 12 March 2025 by imported>Volume Importer
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Plants prostrate, mat- or cushion-forming, to 15 cm wide. Stems and herbage strigulose, hairs basifixed. Leaves 0.4–1.5(–2) cm; stipules somewhat dimorphic, 2–7 mm; leaflets 3(–7), blades 3–7 mm. Peduncles 0.2–0.6 cm. Flowers 4–5.6 mm; calyx 2.4–3.2 mm, tube 1.6–1.9 mm, lobes subulate to setaceous, 0.8–1.3 mm; corolla purple or whitish and keel purple. Legumes subsymmetrically lenticular, 3.5–5 × 2–2.5 mm. Seeds 5–8. 2n = 24.


Phenology: Flowering Jul–Sep.
Habitat: Gravelly slopes and talus upward from timberline, or in bristle-cone pine forest.
Elevation: 3000–4000 m.

Distribution

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Calif.

Discussion

Variety danaus is restricted to high elevations in the southern Sierra Nevada.

Selected References

None.

Lower Taxa

None.
Stanley L. Welsh +
- Barneby Barneby +
Astragalus tegetarius var. danaus +
Mount Dana kentrophyta +
3000–4000 m. +
Gravelly slopes and talus upward from timberline, or in bristle-cone pine forest. +
Flowering Jul–Sep. +
Leafl. W. Bot. +
Papilionoideae de +
Astragalus kentrophyta var. danaus +
Astragalus kentrophyta +
variety +