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Extracts from the flowers of Calotropis procera have shown strong cytotoxic activity. Cattle often stay away from the plants because of their unpleasant taste and their content of cardiac glycosides. The toxic ingredients of Calotropis plants, including Calotropis procera, can be preserved in liquid form, and they naturally disintegrate over ...
Calotropis procera is a species of flowering plant in the family Apocynaceae that is native to Northern and Tropical Africa, Western Asia, South Asia and Indochina (mainland Southeast Asia).
Calotropin is primarily generated by plants in the Asclepiadoideae family, and can be obtained or isolated from plant extracts of Calotropis gigantea and Calotropis procera. Asclepiadoideae plants are commonly regarded as poisonous, and are common around the world. Calotropin is found in the latex, [9] leaves, and root bark. [2]
Calotropis gigantea, the crown flower, is a species of Calotropis native to Cambodia, Vietnam, Bangladesh, Indonesia, Malaysia, Thailand, Sri Lanka, India, China, Pakistan, and Nepal. [ 2 ] It is a large shrub growing to 4 m (13 ft) tall.
This has been identified by Seetzen, Irby, Mangles, and others (see especially Robinson, "Biblical Researches in Palestine," ii. 235-237) with the fruit of the Asclepias gigantea vel procera, a tree from ten to fifteen feet high, of a grayish cork-like bark, called 'osher by the Arabs.
Both adults and nymphs of P. pictus feed extensively on poisonous Calotropis milkweeds, notably C. gigantea and C. procera, gaining their own toxins from the plants. [4] [5] When given the choice, both adults and nymphs tend to prefer C. procera over C. gigantea. [6]
Apocynaceae (/ ə ˌ p ɑː s ə ˈ n eɪ s i ˌ aɪ,-s iː ˌ iː /, from Apocynum, Greek for "dog-away") is a family of flowering plants that includes trees, shrubs, herbs, stem succulents, and vines, commonly known as the dogbane family, [1] because some taxa were used as dog poison.
A herbaceous perennial plant which grows to about 1 m tall, with a branched or unbranched green stem covered in glandular hairs which are 2 mm long or slightly longer. The leaves are pinnate with 3-6 pairs of oval, distinctly serrated primary leaflets, an irregular number of secondary leaflets, and a similar or slightly larger terminal leaflet.