Crossopetalum
Crossopetalum | ||||||||||||
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Crossopetalum uragoga , illustration |
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Systematics | ||||||||||||
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Scientific name | ||||||||||||
Crossopetalum | ||||||||||||
P. Brownne |
Crossopetalum is a genus of plants fromthe spindle tree family (Celastraceae).
description
Crossopetalum are bare trees or shrubs. The leaves are alternate, opposite or in whorls , they have entire margins or prickly-toothed.
The inflorescence is axillary and sympodial . The flowers are bisexual and four-fold, the disc is ring-shaped or cup-shaped and four-lobed.
The dust bag open along the center of the flower out of the ovary is vierfächrig, each compartment there is an upright ovule .
The fruit is an inverted egg-shaped, fleshy stone fruit , each with one (rarely two) seeds . The seeds are inverted egg-shaped and rich in protein, the raphe is branched.
distribution
The genus is native to tropical America and the West Indies , where it occurs, among other things, on sand dunes in coastal locations, in bushes and on small hills.
Systematics
The genus includes 26 species, including:
- Crossopetalum rhacoma Crantz (Syn .: Crossopetalum pallens (Sm.) Millsp .; Myginda pallens Sm. ): It occurs in Florida, on the West Indies and in Colombia.
literature
- MP Simmons: Celastraceae. In: Klaus Kubitzki (Ed.): The Families and Genera of Vascular Plants - Volume VI - Flowering Plants - Dicotyledons - Celastrales, Oxalidales, Rosales, Cornales, Ericales. 2004, pp. 29-64
Individual evidence
- ↑ Crossopetalum in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved May 7, 2017.