Found in S. and E. Africa and Eritrea, this genus consists of nearly 50 species including many delightful plants, all with short stems, usually 4- to 6-angled, and more or less toothed. The fleshy flowers, variously coloured and marked, smell slightly of carrion. Heurnias are distinguished from the Stapelias by having the 5 lobes of the flower supplemented by 5 smaller lobes or points, the latter appearing between the main corolla lobes. Cultivation is as for Stapelia, but great care should be exercised when watering, especially in winter.

Heurnia Pillansii. Has 20- to 24-angled stems, covered with tubercles ending in fine hairs. The flower is bell-shaped, with elongated lobes, yellow, with crimson flecks inside. The plant is liable to rot if moisture is excessive.

Heurnia primulina. The 4- to 5-angled stems are pale green, with reddish markings. Flower waxy, creamy-white, with reddish markings, round a purple-black inner corolla. This is a very beautiful plant.

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