Streptanthus carinatus subsp. arizonicus

(S. Watson) Kruckeberg

Syst. Bot. 7: 298. 1982.

Basionym: Streptanthus arizonicus S. Watson Proc. Amer. Acad. Arts 25: 125. 1890
Synonyms: Disaccanthus arizonicus (S. Watson) Greene Disaccanthus luteus Greene Disaccanthus mogollonicus Greene Streptanthus arizonicus var. luteus Kearney & Peebles
Treatment appears in FNA Volume 7. Treatment on page 708.

Basal and proximal cauline leaves: blade margins entire, dentate, or runcinate-pinnatifid. Flowers: sepals ochroleucous to yellowish; petals white with purplish veins. 2n = 28.


Phenology: Flowering Feb–Apr.
Habitat: Well-drained sandy or rocky soils, gravelly bajada slopes, canyons, in scrub or open woodland, gravelly roadsides, desert scrub, sandy grasslands
Elevation: 600-1700 m

Distribution

V7 1222-distribution-map.gif

Ariz., N.Mex., Tex., Mexico (Baja California, Chihuahua).

Discussion

The Texas record, which is disjunct from the rest of the subspecies range, is based on Jones 29260 (MO) collected on 23 Mar 1932 from Eagle Pass in Maverick County.

Selected References

None.

Lower Taxa

None.
Ihsan A. Al-Shehbaz +
(S. Watson) Kruckeberg +
Streptanthus arizonicus +
Ariz. +, N.Mex. +, Tex. +, Mexico (Baja California +  and Chihuahua). +
600-1700 m +
Well-drained sandy or rocky soils, gravelly bajada slopes, canyons, in scrub or open woodland, gravelly roadsides, desert scrub, sandy grasslands +
Flowering Feb–Apr. +
Disaccanthus arizonicus +, Disaccanthus luteus +, Disaccanthus mogollonicus +  and Streptanthus arizonicus var. luteus +
Streptanthus carinatus subsp. arizonicus +
Streptanthus carinatus +
subspecies +