Crossopetalum

from Wikipedia, the free encyclopedia
Crossopetalum
Crossopetalum uragoga, illustration

Crossopetalum uragoga , illustration

Systematics
Nuclear eudicotyledons
Rosids
Eurosiden I
Order : Spindle tree (Celastrales)
Family : Spindle trees (Celastraceae)
Genre : Crossopetalum
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

  1. Crossopetalum in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved May 7, 2017.

Web links

Commons : Crossopetalum  - collection of images, videos and audio files