Joints merely finely puberulent or glabrous; spines 1.5 cm. long or less; ovary velvety 184. O. durangensis
Joints distinctly pubescent; spines 2 to 3 cm. long. Petals red.
Style shorter than the petals .185. O. atropes Style as long as the petals. . . 186. O. affinis Petals yellow.
Spines acicular, at first yellow, soon white 187. O. macdougaliana
Petals retuse; areoles of ovary many, approximate 188. O. velutina
Petals mucronate; areoles of ovary few, distant 189. O. wilcoxii
184. Opuntia durangensis Britton and Rose, Smiths. Misc. Coll. 50: 518. 1908. Joints broadly obovate, about 20 cm. long, 16 cm. broad, pale green, glabrous or minutely puberulent, bearing numerous areoles; areoles 1 to 2 cm. apart, elevated; spines 3 to 5 at an areole, short, 1.5 cm. long or less, pungent, spreading, yellow, but in age becoming darker; glochids brown, 2 to 3 mm. long; flowers yellow, 5 cm. long; petals broad, apiculate; ovary 3 to 4 cm. long, finely pubescent, bearing many areoles with numerous glochids and a few spines; fruit white or red; seeds about 3 mm. broad.
Type locality: Near Durango, Mexico. Distribution: Central Mexico.
This species was collected by the late Dr. E. Palmer in 1912, but he did not record the size and habit of the plant. The joints suggest a large, bushy species. Figure 208 represents a joint, of the type specimen.
Was this article helpful?
You Might Just End Up Spending More Time In Planning Your Greenhouse Than Your Home Don’t Blame Us If Your Wife Gets Mad. Don't Be A Conventional Greenhouse Dreamer! Come Out Of The Mould, Build Your Own And Let Your Greenhouse Give A Better Yield Than Any Other In Town! Discover How You Can Start Your Own Greenhouse With Healthier Plants… Anytime Of The Year!