Perennial herbs, with several to many stems from a woody rootstock. Leaves opposite or in whorls of 3 or 4, shortly petiolate, oblanceolate or oblong, glabrous or with sparse bristly hairs on both surfaces; stipules triangular, connate at base, usually shortly subulate at apex. Flowers in simple or branched cymes or fascicles, sometimes borne at lower, often leafless nodes; bracts small. Calyx 5-lobed; lobes unequal, oblong, sometimes reduced to teeth; tube short. Corolla 4- or 5-lobed, white, cream or greenish white; lobes ovate or oblong-lanceolate sometimes apiculate, as long as or longer than tube; tube broadly cylindric, sometimes short, with a ring of long, reflexed hairs; sparsely to densely pilose at throat. Stamens 4 or 5, arising in mouth of corolla; filamens shorter than anthers; anthers just exserted, oblong, shortly mucronate. Disc usually annular. Ovary 2-locular, with a single pendulous ovule in each locule; style terete or linear, slightly exserted; stigmatic knob cylindric or subcapitate, deeply 2-lobed. Fruit globose or obpyriform, didymous or asymmetrical, containing (1)2 pyrenes.
Species 4, tropical Africa; 2 in sthn Afr., Namibia, Botswana, Northern Province, North-West, Gauteng, Mpumalanga, Swaziland, Free State, KwaZulu-Natal and Eastern Cape.

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Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith