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Pakistan | Family List | Apocynaceae

19. Wrightia R. Br. in Mem. Wern. Soc. 1:73. 1809. DC., Prodr. 8: 404 1844. Benth. & Hook. f., Gen. Pl. 2:712. 1876; Brandis, For. Fl. 323. 1874; Hook. f., Fl. Brit. Ind. 3:652. 1882; Cooke, Fl. Pres. Bomb. 2:137. 1902; Talbot, For. Fl. Bomb. Pres. & Sind., 2:221. 1911; Nagan, in Ann. Miss. Bot. Gard, 52:114-175. 1965.

S. NAZIMUDDIN AND M. QAISER

Shrubs or small trees with slender branches. Leaves opposite. Inflorescence terminal or axillary corymbs of cymes. Calyx 5-lobed, lobes blunt, usually with scales or glands inside. Corolla hypocrateriform, lobes overlapping to the left in bud with a corona of 5 fimbriate scales, in 1 or 2 series in the throat. Stamens in the mouth of the tube; filament short with exserted, sagittate, connivent anthers. Disc usually absent. Carpels free or syncarpous; ovules many in each carpel; style filiform with ovoid stigma. Follicles free or connate, slender, terete with linear compressed seeds; coma deciduous.

A genus with about 10 species distributed in Tropical Asia and Australia; represented in Pakistan by three species.


1 Flowers scarlet, 3-4 cm across; corona-scales crimson, rounded, crenulate; anthers hairy on the back   1 Wrightia coccinea
+ Flowers white, c. 2.5 cm across; corona-scales white or orange, not rounded crenulate; anthers not hairy on the back   (2)
       
2 (1) Leaves glabrous. Corona-scales linear numerous, white, distinct   2 Wrightia tinctoria
+ Leaves tomentose. Corona-scales variable, 5-10, laciniate, connate to form a cup   3 Wrightia tomentosa

Lower Taxa

Related Synonym(s):


 

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