A synoptic revision of Brexia (Celastraceae) in Madagascar Author Schatz, George E. Author Lowry Ii, Porter P. text Adansonia 2004 3 26 1 67 81 journal article http://doi.org/10.5281/zenodo.5181310 1639-4798 5181310 6. Brexia coursiana H. Perrier Bull. Soc. Bot. France 89: 221 (1942) . — Type : Cours 1194 , Madagascar , Prov. Toamasina , Varania [Varahina]-(Onibé), dist. d’Ambatondrazaka , 850 m , Nov. 1938 , bud (holo-, P!) . Brexia coursiana is a sparsely branched shrub to treelet in mid-elevation subhumid forest from the region of Zahamena PN/RNI (Fig. 5). It can be recognized by its leaves with an acute apex, inflorescences usually borne on the main stem (cauli- flory), slender peduncles less than 1 mm broad with secondary axes branching well below the apex, a distinctly 5-lobed calyx, and petaloid disc segments with an irregularly laciniate margin. CONSERVATION STATUS. — With an AO of 200 km 2 , and only 2 subpopulations, both of which are encompassed within the Zahamena protected area, Brexia coursiana is assigned a preliminary status of Endangered (EN B1ab2ab). MATERIAL EXAMINED. — MADAGASCAR : Andrianjafy 326 , Zahamena RNI; Cours 1194 , Varahina; Randrianjanaka 600 , Zahamena RNI; Ratovoson 309 , Zahamena RNI.