Calycocarpum lyonii
Gen. Amer. Bor. 1: 76. 1848.
Common names: Cupseed
EndemicIllustrated
Basionym: Menispermum lyonii Pursh Fl. Amer. Sept., 371. 1814
Treatment appears in FNA Volume 3.
Vines, climbing to tops of trees; rhizomes slender, branched. Leaves: petioles to 28 cm. Leaf blade 10-25 × 10-29 cm, membranous; venation 5 or 7. Inflorescences to 32 cm; rachis puberulent, glandular. Flowers: sepals 1.6-4.6 × 0.6-2 mm, glabrous. Staminate flowers: stamens to 3 mm. Pistillate flowers: ovary to 2 mm. Drupes green at maturity, darkening to deeper green or black upon drying, 15-25 × 10-20 mm.
Phenology: Flowering spring–summer.
Habitat: Primarily along rivers or smaller streams in deciduous forests
Elevation: 0-350 m
Distribution
Ala., Ark., Fla., Ga., Ill., Ind., Kans., Ky., La., Miss., Mo., Okla., S.C., Tenn.
Discussion
Calycocarpum lyonii has been reported as occurring in Texas, but no Texas specimens have been seen.
Selected References
None.
Lower Taxa
None.