Original Description:The Cactaceae 1
p.39 - Britton & Rose (1920)
At first erect, then climbing over shrubs or through trees, 1 to 12 meters long, somewhat branching; old stems woody, slender; branches usually reddish, the areoles borne on low ribs; glochids short; flower, including ovary, 7 to 8 cm long; sepals about 10, short, ovate, acute, 5 to 15mm long; petals about 7, green, 4cm long, acute, revolute; stamens erect, connivent, not sensitive; anthers narrow, elongated; style elongated, thread-like, most slender below, a little longer than the stamens, 4.5cm long, cream-colored; stigma-lobes 5, green; fruit 4 to 5 cm long; seeds 3 to 4mm broad.
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