Allamanda cathartica (PROSEA)

Plant Resources of South-East Asia Introduction

List of species

Allamanda cathartica L.

Protologue: Mant. pl. 2: 214 (1771).

• Allamanda hendersoni W. Bull ex Dombrain (1866).

• Common allamanda, golden-trumpet (En)
• Indonesia: lame areuy (Sundanese)
• Malaysia: akar chempaka hutan, akar chempaka kuning, bunga akar kuning
• Philippines: kampanero, campanilla (Tagalog)
• Thailand: ban buri lueang (general)
• Vietnam: huynh anh, dây huỳnh.

Native to tropical America and the Caribbean, A. cathartica is now cultivated throughout the tropics.

Throughout South-East Asia, a decoction of the leaves is used as a purgative or emetic. In the Philippines, a decoction of the plant is used as an antidote. However, large doses may result in poisoning. In Java a steaming infusion is used to relieve coughs and headaches; the patient breathes in the vapour. In South America, the leaves or latex are used as a purgative. In Peru, the bark is used as a febrifuge. In Suriname, a decoction of the root is taken as a remedy for jaundice and enlarged spleen resulting from malaria.

• A robust climbing shrub up to 6 m tall, branchlets glabrous.
• Leaves elliptical to obovate, 2.5-15 cm × 1-5 cm, base cuneate, apex acuminate to caudate, glabrous or pilose beneath.
• Inflorescence 8.5-18 cm long.
• Sepals lanceolate or narrowly elliptical, 10-17 mm × 3-4 mm, without colleters inside, corolla tube about 5-7 cm long, distinctly widened halfway, lobes 1.6-4 cm long, style with stigmatic pistil head about 3.5 cm long.
• In cultivation rarely fruiting.

In its native area, A. cathartica is found in mangrove swamp and on river banks. Several cultivars have been developed in A. cathartica. "Grandiflora" has flowers of exceptional size, "Hendersonii" has orange-yellow flowers with white spots in throat, tinged bronze, lobes thick and waxy, and "Nobilis" has large and strongly whorled leaves, with very large, pure gold flowers.

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• Allamanda

• Slamet Sutanti Budi Rahayu