Willughbeia oblonga (PROSEA)

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Plant Resources of South-East Asia
List of species

Willughbeia oblonga Dyer ex Hook.f.

Protologue: Apocynaceae


Ancylocladus oblongus (Hook.f.) Kuntze.

Vernacular names

  • Malaysia: akar kuop-kuop, akar semarang (Peninsular).


Malaysia (Peninsular).


In Peninsular Malaysia, the Jakuns formerly used the latex to glue poison to their arrows.


Woody climber with glabrous branches, containing latex. Leaves opposite; petiole up to 1 cm long; blade elliptical, 6-16 cm × 3-7 cm, about 2 times as long as wide, base acute to rounded, apex obtuse to blunt acuminate. Inflorescence an axillary cyme, up to 2 cm long, with 3-8 flowers; flowers 5-merous, bisexual; corolla tubular, tube up to 8 mm long, lobes ciliate. Fruit a cylindrical berry, about 5 cm × 1.5 cm. Seed flattened, rounded, about 1 mm long.

Selected sources

11, 20, 27, 31.