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FNA | Family List | FNA Vol. 7 | Koeberliniaceae | Koeberlinia

1b. Koeberlinia spinosa Zuccarini var. tenuispina Kearney & Peebles, J. Wash. Acad. Sci. 29: 486. 1939.

Koeberlinia spinosa subsp. tenuispina (Kearney & Peebles) A. E. Murray

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.

Flowering Mar-Jul. Desert areas; 0-900 m; Ariz., Calif.; Mexico (Baja California, Baja California Sur, Sonora).

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.


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