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Opuntia basilaris var. treleasei
(Coult.) Coult. ex Toumey
Family:
Cactaceae
FNA
Resources
Donald J. Pinkava in Flora of North America (vol. 4)
Stem segments
erect, flattened, obovate, 9-20 Ă— 5-7.5 cm; areoles 7-8 per diagonal row across midstem segment, circular.
Spines
2-8 per areole, usually in distal areoles, spreading, yellow, straight, acicular, terete, 5-25 mm.
Fruits
with few, pale yellow spines.
2
n
= 33.
Flowering spring (Mar-Apr). Grasslands; of con-servation concern; 100-200 m; Calif.
Opuntia basilaris var. treleasei
is in the Center for Plant Conservation´s National Collection of Endangered Plants.
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