Ricinus

L. (1753)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Malpighiales Family: Euphorbiaceae Genus: Ricinus

Description

Key Characters:

Growth Form: Monoecious shrubs or small trees, annual herbs in temperate regions.

Stems: Branches with watery sap.

Roots:

Leaves: Leaves simple. Alternate, peltate. Blades palmately 7–11–lobed. Margins lobed, lobes serrate. Long-petiolate. Stipules connate into a caducous sheath.

Flowers: Flowers in paniculate cymes, lower ones staminate, upper ones with both sexes or pistillate, subtended by papery bracts. Flowers unisexual or bisexual (perfect); plants monoecious. Calyx of staminate flowers completely connate in bud, splitting along the valves into 3–5 lobes at anthesis. Calyx of pistillate flowers quickly deciduous. Corolla (petals) absent. Stamens in staminate flowers up to ca. 1,000; filaments partly connate at base; pistillate flower Stamens absent. Ovary superior (pistillate flowers), 3-celled; ovules 1 per cell; styles connate in lower part, bifid. Staminate flower ovary absent.

Fruit: Capsules explosively dehiscent; splitting septicidally and then loculicidally; the surface covered with soft spines. Seeds ellipsoid.

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Accepted Subtaxa (in Hawai'i) (1)

Uses and Culture

USES

Natural History

Island Status

Dispersal Agents


Pollinators

Bibliography

Name Published In: Sp. Pl.: 1007 (1753)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date