Koeberlinia spinosa var. tenuispina

Kearney & Peebles
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.

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

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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.