Description:
Leaves chartaceous or papyraceous to subcoriaceous or coriaceous, the base of the petiole clasping with a short ligulate stipule; secondary veins of leaflets typically widely spaced, rarely more than 3 per cm in median portion of central leaflet. Inflorescences paniculate-umbellate, the lateral axes with 1 or 2 median higher order axes borne singly, in pairs or in pseudo-whorls. Stamens 5–8 (10, 15 or 20 in P. plerandroides), anthers with 4 thecae. Carpels 5–10(–15 in some species), styles free or united partially or throughout their length to form a beak.
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