Functionally dioecious, androdioecious or monoecious trees; new shoots with lenticels. Leaves alternate, simple, entire to serrate, abaxially with pit (P. cunninghamii) or pocket (formed by undercutting in axils between midrib and lateral veins) domatia or domatia absent; stipules absent. Inflorescences paniculate, corymbose, terminal or axillary. Flowers bisexual or functionally unisexual, actinomorphic, white to greenish white, pedicellate; pedicels articulate at apex. Calyx a collar with 5 minute triangular lobes (P. cunninghamii) or some or all lobes lacking. Petals 5, free, valvate in bud. Stamens 5, alternating with petals; filaments free; anthers 2-locular, dehiscing by longitudinal slits. Ovary superior, 3-carpellate, 1-locular; ovules pendulous, 1; stigmas 3, on a short style (P. cunninghamii) or sessile. Fruit a black drupe; endocarp coriaceous (P. cunninghamii) or bony; seeds 1, with abundant endosperm.
Home