Opuntia inaequilateralis Berger Bot Jahrb Engler 36 453 1905

About 12 dm, high, with spreading branches; joints oblique, narrowly ovate to subrhomboid, 40 to 70 cm. long, 2 to 4 times as long as wide, narrowed at base, obtuse at apex, with somewhat sinuate margins, green, shining; young joints bright green, not at all glaucous, oblanceolate to narrowly oblong, rounded at apex; leaves reddish, subulate, 2 to 3 mm. long; areoles small, circular, filled with white wool when young, and having white, somewhat cobwebby hairs on the outer edge; glochids brown, in a dense cluster; spines 3 to 7, acicular on young joints, but finally 10 to 15, stout, 3 to 4 cm. long, at first yellowish, becoming white, somewhat spreading but not appressed to the joint; flowers large, borne at the apex of the joints; petals yellow, broadly obovate, retuse with crenulate margins; stigma-lobes green; fruit oblong, truncate, reddish, juicy, sweet.

Type locality: Described from cultivated specimens grown at La Mortola, Italy.

Distribution: Known only from cultivated specimens, their origin unknown.

Illustration: Figure 231 shows a joint of a plant sent from La Mortola, Italy, in 1913.

Fig 230.—Opuntia eichlamii. X0.5. Fig. 231.—Opuntia inaequilateralis. X0.5.

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