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FNA | Family List | FNA Vol. 12 | Vitaceae

1b. Vitis rotundifolia Michaux var. munsoniana (J. H. Simpson ex Planchon) M. O. Moore, Sida. 14: 345. 1991.

Everbearing or bullace or pygmy grape, little muscadine Everbearing or bullace or pygmy grape, little muscadine

Vitis munsoniana J. H. Simpson ex Planchon in A. L. P. P. de Candolle and C. de Candolle, Monogr. Phan. 5: 615. 1887; Muscadinia munsoniana (J. H. Simpson ex Planchon) Small; V. rotundifolia var. pygmaea McFarlin ex D. B. Ward

Plants high climbing to sometimes shrubby or trailing. Leaf blade 3–8 cm diam. Berries 12–30 per infructescence, 8–12 mm diam. Seeds to 6 mm.

Flowering and fruiting year-round in peninsular Florida, late Apr–May farther north; fruiting late Jul–Sep. Floodplain forests, riverbanks, hammocks, pinelands, sand pine scrub; 0–200 m; Ala., Fla., Ga.

Variety munsoniana is distinguished from the more widespread var. rotundifolia by its smaller and more numerous berries, and these traits remain consistent under greenhouse conditions. It may well represent a species distinct from Vitis rotundifolia.

Variety pygmaea was described based on collections from Polk and Highlands counties, Florida, with shrubby or trailing habit, small leaves, and narrow and ridged seed raphe. Field studies by J. Wen suggest that these characteristics intergrade with those of var. munsoniana and that it is an extreme xeric ecotype of var. munsoniana, which occurs in the same areas.


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