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FNA | Family List | FNA Vol. 12 | Vitaceae

1. Cissus verticillata (Linnaeus) Nicolson & C. E. Jarvis, Taxon. 33: 727. 1984.

Possum grape, seasonvine, waterwithe treebine, bejuco loco Possum grape, seasonvine, waterwithe treebine, bejuco loco

Viscum verticillatum Linnaeus, Sp. Pl. 2: 1023. 1753; Cissus argentea Linden; C. cordifolia Linnaeus; C. sicyoides Linnaeus

Lianas, low to moderately high climbing, often scrambling over low vegetation. Branches usually hairy, sometimes glabrous or glabrate; branchlets succulent to subsucculent when young, becoming woody; growing tips usually hairy; tendrils 2-branched. Leaves simple; petiole shorter than blade; blade oblong to ovate, 5–15 × 2–8 cm, unlobed, margins coarsely to finely serrate, surfaces usually hairy, sometimes glabrous. Flowers greenish or yellowish green. Berries black, 6–10 mm diam. 2n = 48.

Flowering and fruiting year-round. Coastal hammocks, low ground; 0–20 m; Fla.; Mexico; West Indies; Bermuda; Central America; South America.

Cissus verticillata in the flora area is found in the southern two-thirds of peninsular Florida. The inflorescences of C. verticillata, and less often C. trifoliata, are sometimes greatly expanded and deformed by the smut Mycosyrnix cissi (de Candolle) Beck, with the individual flowers being transformed into subcylindric structures containing the spores of the fungus.


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