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Pakistan | Family List | Apocynaceae | Allamanda

1. Allamanda cathartica Linn., Mant. 2.214. 1771. DC., l.c.; Bailey, l.c.; Bor & Raizada, l.c.

Vern..: Allamanda


An ever green scandent shrub; branches circular, smooth and green. Leaves in whorls of 4 or opposite, oblong, obovate or oblanceolate, 6-10 x 3-4 cm, acuminate, cuneate, ± coriaceous, penni-nerved, entire, glabrous above, pilose on nerves beneath; petiole short c. 5 mm long. Inflorescence axillary or a terminal cymose panicle, bracts deciduous. Flower showy, bright yellow. c. 8 cm in diameter. Sepals 5, lanceolate-ovate, acuminate, glabrous, c. 7-10 mm long. Corolla tube c.2.5 cm long, throat infundibuliform, c. 1.25 cm in diameter, lobes orbricular-rotundate c. 3.5 x 4 cm, glabrous. Stamens inserted in the throat, acute, c. 3.5 mm long; filament very short; style c. 2.5 cm long, filiform; fruit a globose-subglobose prickly capsule, c. 2-3 cm long, prickles soft, c. 7.5 mm long, seeds many, obovate, flat winged.

Fl. Per.: May-August.

Type: Described from Guyana.

Distribution: Probably native of South America, now widely spread in tropics and substropics of the world. Cultivated commonly in the gardens in Pakistan.


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