Cyathocalyx zeylanicus Champ. in Hook. f. & Thomson, Fl. Ind. 127. 1855 & in Fl. Brit. India 1: 53. 1872.

Trees, evergreen, 20 - 30 m tall; branches glabrous; bark dark coloured; young branches drooping. Leaves elliptic-oblong or oblong-lanceolate, cuneate at base, shortly acuminate at apex, 20 - 27 x 5 - 9 cm, coriaceous, shiny above, glabrous; midrib and nerves beneath pubescent when young; petioles ca 1 cm long. Flowers pale green, extra-axillary, solitary or in pairs; pedicels 1 - 5 cm long, brown pubescent when young. Sepals united into a cup, faintly 3-lobed, 4 - 5 mm long, rufous pubescent outside. Petals thinly fleshy, clawed, oblong-lanceolate, subacute, golden pubescent outside, puberulous inside; outer petals 2.5 - 4 x 0.7 - 0.8 cm; inner ones shorter and narrower. Torus glabrous, flat with a cavity in the centre. Stamens numerous, long-cuneate at base, truncate at top, ca 2 mm long; anther-thecae linear. Carpel solitary on a concave torus, cylindric, ca 4 mm long; ovules many; style short; stigma peltate, rotundate. Ripe carpels broadly ovoid, slightly constricted in the middle, obtuse, 5 - 7 cm in diam., fleshy, yellowish, turning black, glabrous; stalks ca 2 cm long. Seeds 8 - 10 in 2 rows, compressed; testa reddish brown, bony, smooth, transversely rugose on sides.

Fl. April- June; Fr. oct. - Nov.

Distrib. India: Tropical evergreen forests at low elevations. Tamil Nadu and Kerala.

Sri Lanka.