Allamanda cathartica (Jungle Bell, Golden Trumpet)

The Golden Trumpet (Allamanda cathartica) is a species from the genus Allamanda from the family Apocynaceae. Like all species of the genus it comes from tropical America.

The Golden Trumpet is a shrubby plant, which can partly be herbaceous climbers and can reach a length of seven feets or more. It is glabrous or more or less hairy, sometimes also the calys is hairy. The leaves are four in whorls on short petioles, are oblong-elliptic or obovate, pointed, and almost leathery to almost membranous. They are up to 4 inches long, the width is 1 / 3 to 1 / 2 of the length.

The flowers are hermaphrodite. The sepals are fused, the tip cups are up to 12 mm long and have a pointed, ovate-lancolate shape and are similar to the shape of the leaves. Unlike other species of the genus, the sepals are glandular. The bright yellow crows is 2 to 3 inches long, sometimes longer. The corolla tube has a length of 1.2 to 1.6 inches. The stamens are at the top of the corolla tube. The ovary has a single ovule, the style is slender.

The soft thorny capsule fruits have a diameter of about 1.6 inches. The spines have a length of about 0.4 inches. The flat seeds are winged.

We have 3 plants in the front garten, two of them are only recently planted.

Allamanda cathartica in December 2009.

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Updated by Joachim Jaeck on March, 10th, 2010