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The aestivation found in calotropis is valvate i.e. sepals or petals in a whorl just touch one another at the margin, without overlapping. The plant has oval, light green leaves and milky stem. The latex of Calotropis gigantea contains cardiac glycosides, fatty acids, and calcium oxalate. The roots also contain Calotropone. [3]
Calotropis procera. Calotropis gigantea and C. procera are the two most common species in the genus. Both plants can attain an average height of 8 to 10 ft (2.4 to 3.0 m) although they can occasionally become as tall as 14 to 16 ft (4.3 to 4.9 m).
Caution: some websites seem to confuse Calotropis procera with Calotropis gigantea! "Apples of Sodom" . The American Cyclopædia. 1879. Addry, Limiaa Suliman Elnoor Abu (2005). Determination of Cu, Zn, Co, and Pb in A Sudanese Medicinal and Aromatic Plant (Calotropis procera Ait) (PDF) (Thesis). Archived from the original (PDF) on 2023-03-27
Aestivation or estivation is the positional arrangement of the parts of a flower within a flower bud before it has opened. Aestivation is also sometimes referred to as praefoliation or prefoliation , but these terms may also mean vernation : the arrangement of leaves within a vegetative bud.
Aestivation (Latin: aestas (summer); also spelled estivation in American English) is a state of animal dormancy, similar to hibernation, although taking place in the summer rather than the winter. Aestivation is characterized by inactivity and a lowered metabolic rate, that is entered in response to high temperatures and arid conditions. [ 1 ]
C. gigantea may refer to: Callindra gigantea, a moth species; Calotropis gigantea, the crown flower, a plant species native to Indonesia, Malaysia, Philippines, Thailand and Sri Lanka; Calvatia gigantea, the giant puffball, a puffball mushroom species; Carnegiea gigantea, the saguaro, a large tree-sized cactus species
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]
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]