Monotes De Candolle (1868: 623)

Meerts, Pierre, Rougelot, Quentin & Sosef, Marc, 2017, Revision of the genus Monotes (Dipterocarpaceae) in D. R. Congo, with implications for Angola and its distinction from Marquesia, Phytotaxa 308 (2), pp. 151-205 : 158

Monotes De Candolle (1868: 623)

Type: — Monotes africanus ( De Candolle 1868: 624) .

Shrubs or medium-sized trees; bole without buttresses. Leaves rounded to emarginate or sometimes acuminate at the apex, with an extra-floral nectary at the base of the midrib above, indumentum of simple, fasciculate or stellate hairs that are straight, curved or coiled, and with additional spherical glandular hairs; venation generally densely reticulate beneath. Inflorescence of axillary cymes, sometimes grouped into axillary or terminal thyrses. Flower with sepals velvety or wholly tomentose outside and petals sericeous or velvety tomentose outside; flower bud generally ovoid; receptacle without androgynophore; stamens numerous, anthers short, connective generally with a short triangular to long ovate appendage or rarely only with a minute appendage; ovary hairy, completely (2)3- to 5-locular, with 2 ovules per locule; style 1, with 3 or 5 short stigmas. Fruit an achene, ± globose, with a thick and tough wall, surrounded by 5 subequal wings derived from the accrescent sepals, with fasciculate hairs.

A genus of about 20 species occurring throughout tropical Africa and in Madagascar, with its center of diversity in the Zambezian regional center of endemism ( White 1983).

References: — Ashton (2003: 191); Bancroft (1935: 507; 1937: 132; 1939a: 330); Catarino et al. (2013: 264); De Wildeman (1927a: 163); Delevoy (1929: 325); Duvigneaud (1949: 39; 1961: 410); Gilg (1899: 127; 1908b: 287; 1925: 237); Verdcourt (1989: 4); White (1962: 258).