Allamanda schottii (PROSEA)

Plant Resources of South-East Asia
Introduction

Protologue: Pl. bras. icon. descr. 1: 73, pl. 58 (1827).

Synonyms

Native to southern Brazil, A. schottii is now cultivated throughout the tropics and is locally naturalized in South-East Asia.

The traditional use in South-East Asia is limited to cultivation as ornamental.

A semi-erect shrub up to 2 m tall, branches minutely puberulent when young.
Leaves elliptical to weakly obovate, 3.7-8(-14) cm × 1.3-2.5(-4 cm), base cuneate, apex acuminate, pilose beneath, subsessile.
Inflorescence 5-12 cm long.
Sepals lanceolate, 6-7 mm × 2-3 mm, with colleters inside, corolla tube about 4 cm long, distinctly widened near the base, lobes 1-1.6 cm long, style with stigmatic pistil head about 1.2 cm long.
Fruit 2.5-3 cm in diameter, with spines up to 1 cm long.

In Java, A. schottii is found in grassy fields, railway embankments and thickets.

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