Calycocarpum

Calycocarpum (cupseed) is a monotypic genus of plants in the family Menispermaceae. The only species currently accepted is Calycocarpum lyonii endemic to the southeastern United States.[2]

Cupseed
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Ranunculales
Family: Menispermaceae
Genus: Calycocarpum
Nuttall ex Spach
Species:
C. lyonii
Binomial name
Calycocarpum lyonii
(Pursh) A. Gray
Synonyms[1]
  • Menispermum dubium Muhl. ex Raf.
  • Menispermum lyonii Pursh

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.[3][4]

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.[3][5][6][7][8][9]

References
  1. "Calycocarpum lyonii (Pursh) A.Gray". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew. Retrieved 5 March 2014 – via The Plant List.
  2. Flora of North America vol 3
  3. Flora of North America vol 3
  4. 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
  5. Gray, Asa. 1848. Genera Florae Americae Boreali-Orientalis Illustrata 1: 76.
  6. Pursh, Frederick Traugott. 1814. Flora Americae Septentrionalis 2: 371.
  7. Wunderlin, R. P. 1998. Guide to the Vascular Plants of Florida i–x, 1–806. University Press of Florida, Gainesville.
  8. Southeastern Flora, Calycocarpum lyonii
  9. Sperry Herbarium Common Woody Plants of southeast Kansas, Calycocarpum lyonii
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