Pycnarrhena Hook. f. & Thomson

Twiners. Leaves elliptic or oblanceolate, penninerved or subpalmately nerved at base; petioles swollen at both ends. Inflorescences axillary or ramiflorous, usually cymose, rarly 1-flowered or fasciculate. Male flowers: sepals 6 -15, imbricate, in 3 whorls; outer ones minute; inner ones larger and concave; petals 0 - 5, minute; stamens 5 - 18, clustered; filaments partially connate; anthers densely clustered. Female flowers: sepals and petals as in male; carpels 3 - 6, with recurved styles and stigma. Drupes ellipsoid to subglobose; endocarp thin, smooth, non-endospermous; cotyledons large, slightly curved.

S. China, Indo-malesia to N. Australia; ca 9 species, 2 in India.

KEY TO THE SPECIES

1a Male flowers laxly fascicled; pedicels 3 - 5 mm long; petals 3 in male flowers; stamens 12, stalked

1. Pycnarrhena lucida

b. Male flowers densely clustered; pedicels up to 2 mm long; petals 4 - 5 in male flowers; stamens 6 -10, sessile

2. Pycnarrhena pleniflora

List of Lower Taxa