Matayba Aubl.

Matayba (en)

Genus

Angiosperms > Sapindales > Sapindaceae

Characteristics

Small to large trees. Stipules wanting. Leaves alternate, pinnately compound with a rudimentary distal leaflet; petiolules usually short and slender; leaf rachis cylindrical or angled, leaflets entire (seldom serrate), alternate to opposite. Inflorescences axillary or distal, paniculate or racemiform thyrses, with flowers in lateral dichasia, or congested cymes. Flowers actinomorphic, bisexual or unisexual (plant polygamous-dioecious); calyx cupular, usually tomentose, with 5 subimbricate, short sepals; petals 5, auriculate, as long as the sepals or longer, with a pair of marginal tomentose appendages; disc annular, usually pentagonal; stamens (4-6) 8, exserted, the filaments free, tomentose, of equal length, the anthers dorsifixed; ovary 3-locular, each locule with a single ovule; style elongated with 3 stigmatic branches or unbranched. Fruit a 2 or 3-locular, woody or leathery capsule. Seed nearly globose or ellipsoid, with a fleshy arillode at base.
More
Polygamous shrubs or trees; stems terete, sulcate, lenticellate, the young branches usually pubescent. Leaves alternate to subopposite, even-pinnate, long-petiolate, exstipulate; leaflets mostly entire, usually thick. Inflorescences axillary or terminal, paniculate or racemiform. Flowers regular, white, small; calyx cupulate, 5-lobed to near the base, the lobes deltoid; petals 5, rarely rudimentary, usually contracted into a long slender claw, bearing a scalelike appendage within, the scales villous; disc regular, fleshy and annular; stamens 8, the filaments sub-filiform, often pubescent; ovary subglobose or obovoid, 3-lobed, with 2 locules, densely pubescent, the style terminal, the stigma 2-or 3-dentate; ovules 1 in each cell, inserted at the middle of the axis. Capsules ellipsoid-subglobose or obovoid, 3-lobed or slightly winged, sessile or stipitate; seeds ellipsoid, arillate, with crustaceous testa.
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