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Project Name Data (Last Modified On 11/29/2012)

Flora Data (Last Modified On 11/29/2012)
Genus PERESKIA Mill.
PlaceOfPublication Gard. Dict. ed. 4. 1754
Reference Britton & Rose, in Carnegie Inst. Wash. Publ. no. 248. 1:8. 1919.
Synonym Carpophyllus Neck. Elem. Bot. 2:84. 1790, as Carpophillus. Peireskia Mill. acc. to Steud. Nom. ed. 2. 2:282. 1841, var. typogr.
Description Leafy trees or shrubs, sometimes clambering; stems terete, branching, succulent above, woody below, armed with stout spines in minutely pubescent axillary areoles. Leaves alternate, spiral, broadly laminate, deciduous. Flowers pedunculate, panicu- late or solitary, both terminal and axillary; perianth rotate, with many free or slightly united segments, the outer somewhat shorter and less petaloid than the inner; stamens numerous, inserted in a shallow tube adnate to the base of the perianth. Ovary subinferior. Fruit a fleshy relatively few-seeded berry bearing the marcescent remains of the perianth.
Distribution A genus of about a dozen species, ranging from Mexico and Florida to Argen- tina and in the Antilles.
Note Very widely cultivated in the tropics and subtropics of the world and in greenhouses, and used as an under stock of grafted Zygocacti and Schlumbergeras. The plants far more resemble the northern Osage Orange in habit than a true cactus.
Key a. Clambering lianas; spines short and reflexed; berries globose, relatively small .............................................-... .. 1. P. ACULEATA aa. Shrubs or small trees; spines elongate and straight; berries turbinate, relatively large ..2. P. BLEO
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