Costularia natalensis C.B.Clarke
(name current 2016)
Growth form: Herb
Swaziland distribution: highveld only
Red Data Book Information:
Distribution: Usuthu Forest, Dalriach, Ukuthula, Piggs Peak
Found in grassland and forest margins. In KwaZulu Natal (South Africa), it is threatened by afforestation. The commonly used genus name is Tetraria. Common in KwaZulu Natal, Mpumalanga and Limpopo Province (South Africa).
Common in parts of South Africa.
Description (Compton's Flora of Swaziland*):
Costularia natalensis - Robust, tufted, hairless, 1—1,3 m high, upper part with inflorescence usually leaning forward. Basal leaves numerous, flat, up to c 6 mm wide; leaves with basal sheaths also produced along aerial stem, gradually diminishing in length and grading into narrow, erect, long-tapering bracts of inflorescences. Spikelets dark brown, very numerous, c 6 mm long x 2 mm wide borne in rather dense erect or slightly nodding irregular clusters along upper half of stem.
* Where species names have changed, these have been matched according to herbarium specimens quoted in this publication.