Commemorating William Wright, a medical doctor and amateur botanist.
Perennial shrubs or small trees, evergreen or deciduous; latex white. Stems woody, without spines. Leaves opposite, stalked; blade well developed; colleters absent at base. Inflorescence terminal, dichasial or monochasial. Flowers scented, stalked. Corolla subrotate to salver-shaped; tube cylindrical to bell-shaped; lobes convolute in bud, overlapping to the left. Corolline corona of 5-many segments often forming a tube, or rarely absent. Stamens protruding, attached within or near top of tube, weakly sticking to style head. Disk absent. Fruit of free carpels consisting of 2 woody follicles, tapering to each end, cylindrical, ventrally dehiscent. Seeds numerous, linear-tapering to each end to linear-oblong, not winged, hairy at one end.
One species is commonly cultivated. A number of native Australian species may be grown by specialist rainforest plant collectors.
A number of species are used for timber; the leaves of W. tinctoria are the source of an indigo-like dye.
Shrubs or small trees, leaves opposite, corolla wheel-like to salver-shaped, stamens protruding.
16 species in Africa, Asia, Malesia and Australia (4 species).
Ngan (1965), Forster (1996a).
Source: (2002). Apocynaceae. In: . Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.