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Ixora is a genus of flowering plants in the family Rubiaceae. [ 1 ] It is the only genus in the tribe Ixoreae. It consists of tropical evergreen trees and shrubs and holds around 544 species. [ 2 ] Though native to the tropical and subtropical areas throughout the world, its centre of diversity is in Tropical Asia.
Description. A pink Ixora coccinea in India. Ixora coccinea is a dense, multi-branched evergreen shrub, commonly 4–6 ft (1.2–1.8 m) in height, but capable of reaching up to 12 ft (3.7 m) high. It has a rounded form, with a spread that may exceed its height. The glossy, leathery, oblong leaves are about 4 in (10 cm) long, with entire margins ...
Ixora biflora was first described by the American botanist Francis Raymond Fosberg, and his paper − titled Two Queensland Ixoras − was published in the Journal of Botany, British and Foreign in 1938. [2][3] He based his description on material collected in 1932 by L.J. Brass on the slopes of Mt Demi (a peak near Mossman Gorge). [2][4]
Rubiaceae (/ ruːbiˈeɪsiːˌiː, - siˌaɪ /) is a family of flowering plants, commonly known as the coffee, madder, or bedstraw family. It consists of terrestrial trees, shrubs, lianas, or herbs that are recognizable by simple, opposite leaves with interpetiolar stipules and sympetalous actinomorphic flowers. The family contains about 14,100 ...
Description. A shrub that reaches a maximum height of 7 m. [2] The leaves of the species commonly have stipules and petioles and are elliptic to lanceolate in outline, the apex tend to be pointed while the base tend to have a rounded wedge shape; the upper surface of leaf is leathery in texture and leaflets can reach up to 18 cm long and 7 cm wide.
Ixoroideae is a subfamily of the family Rubiaceae. Based on both morphological and molecular characters, Rubiaceae has been divided into three subfamilies - Ixoroideae, Cinchonoideae, and Rubioideae. Ixoroideae and Cinchoinoideae are more closely related. [1] Members of Ixoroideae are morphologically diverse so no shared derived characters have ...
Ixora nigricans, or black ixora, is a plant growing up to a height of 5 metres (16 ft). It is found as common undergrowth in evergreen forests to dry evergreen forests up to 1,900 m (6,230 ft). [2] Black ixora is found in throughout the forests of the Western Ghats of India. [3]
Ixora versicolor Hassk. Helicteres isora, sometimes called the Indian screw tree, is a small tree or large shrub found in southern Asia and northern Oceania. It is usually assigned to the family Malvaceae, [ 2 ] but it is sometimes assigned to the family Sterculiaceae. [ 3 ] The red flowers are pollinated mainly by sunbirds, butterflies, and ...