Bullock Kew Bull. 1956:454 (1957).
Derivation: After Dr R. A. Dyer, a South African twentieth century botanist.
Synonymy: Allenia E. Phillips, Jl. S. Afr. Bot. 10:33 (1944), nom. illegit. 2 species, 1 in South Africa and 1 in Australia. The differences between Radyera and Hibiscus are discussed by Fryxell & Hashmi (1971) Bot. Gaz. 132:57-62.
Common name: None
Perennial softly woody shrubs, densely stellate-tomentose; leaves sometimes shallowly lobed, toothed.
Flowers bisexual, pedicellate, in few-flowered pedunculate axillary clusters or more numerous in terminal clusters, showy; epicalyx of 8-10 connate segments; sepals fused to form a campanulate tube with 5 lobes; petals 5, large and brightly coloured; staminal tube long and narrow; carpels 5, in a single whorl; stigmas 5, forming a subcapitate group at the apex of the simple style; ovules few in each carpel.
Fruit a subglobular 5-celled capsule enclosed in the persistent calyx, dehiscing loculicidally at first but eventually also septicidally; seeds black, angled, with a glabrous wrinkled testa.
Not yet available