New and overlooked Acanthaceae taxa from D. R. Congo, Rwanda and Burundi: (1) the genus Barleria Author Dominique Champluvier text Plant Ecology and Evolution 2011 144 1 82 95 journal article 10.5091/plecevo.2011.388 b99b3fcb-e3fd-4c6e-83d1-e9b5851387c2 1486150 Barleria sunzuana Brummitt & Seyani ( Brummitt & Seyani 1978: 721–722 ). – Type: Zambia, Sunzu Mt, Abercorn distr., alt. 2250 m, Apr. 1962, Richards 16369, fl (holo-: K). Other collections examined – Zambia : Sunzu Hill, Abercorn distr., alt. 1980 m, Apr. 1936, Burtt 6101, fl (K, BM, BR); Sunzu summit, alt. 2065 m, Jun. 1955, Lawton 213, fl (K); Sunzu Mt, alt. 1800 m, Apr. 1961, Richards 15077, fl, fr (K); ibid., alt. 2100 m, Apr. 1962, Richards 16368, fl (K); ibid., alt. 2250 m, Mar. 1966, Richards 21380, fl (K); Saisi Valley, Zambia Govnt Ranch, Mbala distr., alt. 1500 m, May 1968, Richards 23274, fl (K, BR). Habitat – Rocky slopes, alt. (1500–)1800–(?)2250 m. Endemic to Sunzu Mt. Brummitt (1978) , commenting on Richard’s collections, stated that there must be some mistake in the recording of the altitudes as the summit of Sunzu mountain is only 2065 m.