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cacao

(Encyclopedia)cacao kəkäˈō, –kāˈ– [key], tropical tree (Theobroma cacao) of the family Sterculiaceae (sterculia family), native to South America, where it was first domesticated and was highly prized by t...

vegetative propagation

(Encyclopedia)vegetative propagation, the ability of plants to reproduce without sexual reproduction, by producing new plants from existing vegetative structures. Some plants, such as the Canada thistle and most ba...

Cassirer, Ernst

(Encyclopedia)Cassirer, Ernst ĕrnst käsērˈər [key], 1874–1945, German philosopher. He was a professor at the Univ. of Hamburg from 1919 until 1933, when he went to Oxford; he later taught at Yale and Columbi...

flower

(Encyclopedia)CE5 Longitudinal cross section of a flower at the time of fertilization, showing a pollen grain and a pollen tube. flower, name for the specialized part of a plant containing the reproductive orga...

hyrax

(Encyclopedia)hyrax hīˈrăks [key], name for rabbit-sized mammals of Africa and SW Asia comprising the family Procavidae. Although rodentlike in appearance, hyraxes are hoofed mammals, or ungulates (see Chordata)...

ginkgo

(Encyclopedia)ginkgo gĭngˈkō [key] or maidenhair tree, tall, slender, picturesque deciduous tree (Ginkgo biloba) with fan-shaped leaves. The ginkgo is native to E China, where it was revered by Buddhist monks an...

mousebird

(Encyclopedia)mousebird or coly kōˈlē [key], common name for small, slender birds, comprising six species in the single genus Colius of the family Coliidae. They resemble mice in their soft, hairlike body feathe...

aye-aye

(Encyclopedia)aye-aye īˈīˈ [key], name for an aberrant primate, Daubentonia madagascariensis, related to the lemurs but distinguished by its specialized teeth and fingers. A large nocturnal and arboreal primate...

Khuzestan

(Encyclopedia)Khuzestan kho͞ozēstänˈ [key], province (1991 pop. 3,175,852), c.24,000 sq mi (62,160 sq km), SW Iran, bordering on Iraq in the west and the Persian Gulf in the south. Its major cities include Ahva...

staff tree

(Encyclopedia)staff tree, common name for some temperate members of the Celastraceae, a family of trees and shrubs (many of them climbing forms), widely distributed except in polar regions. These plants typically b...