Allium howellii var. sanbenitense

(Traub) Ownbey & Aase
in P. A. Munz, Calif. Fl., 1376. 1959.
Endemic
Basionym: Allium sanbenitense Traub Herbertia 12: 68. 1945 Allium robustum 1938
Synonyms: Allium howellii subsp. sanbenitense (Traub) Traub & Ownbey
Treatment appears in FNA Volume 26. Treatment on page 251. Mentioned on page 250.

Scape 25–60 cm. Umbel (25–)50–90-flowered. Flowers: tepals white or pale pink; stamens exserted, 2–4 mm; ovary crests white or greenish in fresh specimens. 2n = 14.


Phenology: Flowering Apr–May.
Habitat: Grassy slopes in heavy clay soils including serpentine
Elevation: 300–1000 m

Discussion

Allium howellii var. sanbenitense is known only from the inner central Coast Range.

Selected References

None.

Lower Taxa

None.

Dale W. McNeal Jr. +  and T. D. Jacobsen +
(Traub) Ownbey & Aase +
Allium sanbenitense +  and Allium robustum +
300–1000 m +
Grassy slopes in heavy clay soils including serpentine +
Flowering Apr–May. +
in P. A. Munz, Calif. Fl., +
Allium howellii subsp. sanbenitense +
Allium howellii var. sanbenitense +
Allium howellii +
variety +