Eremolaena humblotiana Baill.

Lowry Ii, Porter P., Haevermans, Thomas, Labat, Jean-Noël, Schatz, George E., Leroy, Jean-François & Wolf, Anne-Elizabeth, 2000, Endemic families of Madagascar. V. A synoptic revision of Eremolaena, Pentachlaena and Perrierodendron (Sarcolaenaceae), Adansonia (3) 22 (1), pp. 11-31 : 15

1. Eremolaena humblotiana Baill.

Bull. Mens. Soc. Linn. Paris 1: 413 (1884). — Type: Humblot 245, Madagascar, Prov. Toamasina, Manahar [= Manahara?], NE du Lac Alaotra, 13 May 1882 (holo-, P!; iso-, K!, MO!, P [2 sheets]!) .

Eremolaena humblotiana is restricted to humid and subhumid evergreen forest at low and middle altitude, up to 1200(-1500) m, from the Brickaville to Vatomandry area, Betampona RNI, Zahamena RNI, and the area around Lac Alaotra ( Fig. 1 ). It can be recognized by its large, subcoriaceous leaves with the venation distinctly raised on the lower surface, and its comparatively large flowers with sepals 15-19 mm long. With the exception of a recent collection from Zahamena RNI made in 1994, E. humblotiana has not been recorded from elsewhere in its range since 1957.

VERNACULAR NAMES. — Amaninombilahy,

Hamaninaombilahy, Fotona.

MATERIAL EXAMINED. — Cours 1185, Sahalampy, 2447, Ampitanonoka; Homolle 2447, Ampitanonoka; Humblot 245, Manahar; Perrier de la Bâthie 14156, Vatomandry, 14739, Andriantantely; Randrianjanaka & Zafy 242, Zahamena RNI; Réserves Naturelles 2225, 9133, Betampona RNI; Service Forestier 10034, 16882, Andriantantely, 18091, Betampona RNI.

Figures

Fig. 1. — Distributions of Eremolaena, mapped on the simplified bioclimatic zones of Madagascar (SCHATZ in press, after CORNET 1974). E. humblotiana (•), E. rotundifolia (Δ).