Calycocarpum Explained

Calycocarpum (cupseed) is a monotypic genus of flowering plants in the family Menispermaceae. The only species currently accepted is Calycocarpum lyonii endemic to the southeastern United States.^[1]

Calycocarpum lyonii has been reported from Texas, Louisiana, Oklahoma, Arkansas, southeastern Kansas, Missouri, southern Illinois, southern Indiana, Kentucky, Tennessee, Mississippi, Alabama, Georgia, northwestern Florida and southern South Carolina. It grows mostly along stream banks in deciduous forests at elevations less than 350 m.^{[2] [3]}

Calycocarpum lyonii is a vine climbing over other vegetation, often to the tops of tall forest trees. Leaves are broad, pentagonally lobed, up to 30 across and 25 cm long. Flowers are borne in racemes or panicles up to 35 cm long. Drupes are green, drying black, spherical to ellipsoid, up to 25 mm long.^{[2] [4] [5] [6] [7] [8]}

Notes and References

1. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=105275 Flora of North America vol 3
2. http://www.efloras.org/object_page.aspx?object_id=5816&flora_id=1 Flora of North America vol 3
3. Correll, D. S. & M. C. Johnston. 1970. Manual of the Vascular Plants of Texas i–xv, 1–1881. The University of Texas at Dallas, Richardson
4. Gray, Asa. 1848. Genera Florae Americae Boreali-Orientalis Illustrata 1: 76.
5. https://www.biodiversitylibrary.org/page/401692#page/15/mode/1up Pursh, Frederick Traugott. 1814. Flora Americae Septentrionalis 2: 371.
6. Wunderlin, R. P. 1998. Guide to the Vascular Plants of Florida i–x, 1–806. University Press of Florida, Gainesville.
7. http://www.southeasternflora.com/view_flora.asp?plantid=1765 Southeastern Flora, Calycocarpum lyonii
8. http://www.pittstate.edu/department/herbarium/woody/Calycocarpum_lyonii_Cupseed.dot Sperry Herbarium Common Woody Plants of southeast Kansas, Calycocarpum lyonii