Koeberlinia spinosa var. tenuispina
J. Wash. Acad. Sci. 29: 486. 1939.
Synonyms: Koeberlinia spinosa subsp. tenuispina (Kearney & Peebles) A. E. Murray
Treatment appears in FNA Volume 7. Treatment on page 185.
Revision as of 20:21, 24 September 2019 by FNA>Volume Importer
Plants 1–10 m; young thorns densely puberulent; mature thorns 33–82 mm, 1.2–2 mm at base (20+ times longer than base width). Flowers: petals 4–4.8 mm; style 1–1.2 mm, straight (sometimes uncinate or S-shaped when dry); gynophore (stipe) 0.5–0.8 mm.
Phenology: Flowering Mar–Jul.
Habitat: Desert areas
Elevation: 0-900 m
Distribution
Ariz., Calif., Mexico (Baja California, Baja California Sur, Sonora).
Discussion
Variety tenuispina is a component of the Sonoran Desert flora, occurring in La Paz and Yuma counties in southwest Arizona, Imperial County in southeastern California, and adjacent northwest Mexico.
Selected References
None.
Lower Taxa
None.