Flora of North America species comparison

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Vitis rotundifolia

Vitis rotundifolia var. rotundifolia

muscadine, scuppernong
Photo is of parent taxon

muscadine
Habit Plants usually high climbing or sprawling, sometimes shrubby, usually sparsely branched. Plants high climbing.
Branches

branchlets terete to slightly angled, usually sparsely grayish arachnoid, glabrescent, growing tips not enveloped by unfolding leaves;

tendrils along length of branchlets, persistent, tendrils (or inflorescences) at only 2 consecutive nodes;

nodes sometimes red-banded.

Leaves

stipules 1–2 mm;

petiole mostly ± equaling blade;

blade cordate to nearly reniform, 2–12 cm, rarely lobed, apex short acuminate, abaxial surface not glaucous, glabrous, visible through hairs, veins and vein axils sometimes sparsely to densely hirtellous, adaxial surface glabrous.

blade (4–)5–9(–12) cm diam.
Inflorescences

3–8(–10) cm.

Flowers

functionally unisexual.

Berries

usually black or purplish, sometimes bronze when ripe, glaucous, globose, 8–25 mm diam., skin separating from pulp;

lenticels present.

usually 2–8 per infructescence, 15–25 mm diam.
Seeds

9+ mm.
2n

= 40.

Vitis rotundifolia

Vitis rotundifolia var. rotundifolia
Phenology Flowering late Apr–May; fruiting late Jul–Sep.
Habitat Upland and lowland forests, swamps, thickets, forest edges, rocky ledges, hammocks, dunes.
Elevation 0–1900 m. (0–6200 ft.)
Distribution
from FNA
AL; AR; DE; FL; GA; KY; LA; MD; MO; MS; NC; OK; SC; TN; TX; VA; WV
[WildflowerSearch map]
[BONAP county map]
from FNA
AL; AR; DE; FL; GA; KY; LA; MD; MO; MS; NC; OK; SC; TN; TX; VA; WV
[BONAP county map]
Discussion

Varieties 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Berries 15–25 mm diam., usually 2–8 per infructescence; seeds 9+ mm.
var. rotundifolia
1. Berries 8–12 mm diam., 12–30 per infructescence; seeds to 6 mm.
var. munsoniana
Source FNA vol. 12, p. 7. FNA vol. 12, p. 7.
Parent taxa Vitaceae > Vitis > subg. Muscadinia Vitaceae > Vitis > subg. Muscadinia > Vitis rotundifolia
Sibling taxa
V. acerifolia, V. aestivalis, V. arizonica, V. californica, V. cinerea, V. girdiana, V. labrusca, V. monticola, V. mustangensis, V. palmata, V. riparia, V. rupestris, V. shuttleworthii, V. vinifera, V. vulpina, V. ×champinii, V. ×doaniana, V. ×novae-angliae
V. rotundifolia var. munsoniana
Subordinate taxa
V. rotundifolia var. munsoniana, V. rotundifolia var. rotundifolia
Synonyms Muscadinia rotundifolia
Name authority Michaux: Fl. Bor.-Amer. 2: 231. (1803) unknown
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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