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Pakistan | Family List | Asclepiadaceae

2. Calotropis R. Br. in Mem. Wern. Soc. 1:39. 1810. Hook. f., Fl. Brit. Ind. 4:17. 1883; Boiss., R. Or. 4:57.1879; Cooke, Fl. Pres. Bomb. 2:214.1904; Parker, For. Fl. Punj. ed. 3.340.1956; Rechinger, f., Fl. Iran. 73:6.1970; Tackholm, Stud. Fl. Egypt, ed. 2.413. 1974; Stevens in Saldanha & Nicolson, Fl. Hassan Dist. 440. 1976; Ali in Ali & Jafri, Fl. Libya 9:6. 1977.


Erect shrubs or small trees. Leaves large, opposite decussate, somewhat fleshy. Flowers in termainal or axillary umbelloid cymes. Calyx deeply 5-lobed. Corolla 5-lobed, lobes free about for c. 2/3 of the way or less, tips usually purple. Corona of 5 fleshy laterally compressed lobes radiating from the gynostegium, each with a recurved vesicle at the base and a pair of auricles at the apex. Anthers short and broad with a solitary pollinium pendulous in each cell. Stigma broad, pentagonal. Follicles inflated with an air sac round the seed producing region. Seeds comose.

A genus with about 4 species distributed in tropical and subtropical Africa and Asia and (introduced in?) Central and S. America. Represented in Pakistan by 1-2 species.

1 Corona lobes glabrous, equally or exceeding staminal column, straight or nearly so on the the acute upcurved spur, the apex bifid and without auricles   1 Calotropis procera subsp. hamiltonii
+ Corona lobes hairy, shorter than the staminal column, curved on the back above the spur, apex rounded with 2 obtuse auricles just below it   2 Calotropis gigantea

Lower Taxa

Related Synonym(s):


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