Shrubs, subscandent or small trees. Leaves alternate, exstipulate, 1 - 3-foliolate; leaflets entire, subentire or serrate. Flowers small polygamo-dioecious,
pedicellate, fascicled in simple or branched axillary thyrses, white or yellowish.
Sepals 4, in opposite pairs, imbricate, outer smaller. Petals 4, generally declinate,
naked, inside or with a shaggy scale. Disc unilateral, usually with 4-glands,
opposite the petals. Stamens 8, inserted and in bisexual flowers surrounding.
the ovary. Ovary usually 2-lobed, 2-loculed; in male flowers merely a pistillode;
styles 2, ovule 1 in each cell. Fruits indehiscent, 1 - 2-lobed; lobes subglobose.
Seeds with short aril.
Tropical and subtropical America, Africa, Mascarine Island, Madagascar,
Asia to Australia, Indian Archipelago and Pacific; ca 255 species, 9 in India.
Notes.
The species of this genus are highly polymorphic and exhibit wide
range of ecological variation.
Literature.
LEENHOUTS, P.W. (1967). A conspectus of the Genus Allophylus
(Sapindaceae). Blumea 15(2): 301-358. MUKERJEE, S.K. (1972). Indian Allophylus (Sapindaceae).
Indian For. 98: 489-496.