Drypetes longifolia (Blume) Pax & K.Hoffm. in Engl., Pflanzenr. IV.147.xv (heft 81): 245. 1922, pro majore parte; Chakrab. et al. in J. Econ. Taxon. Bot. 21: 266. 1997. Cyclostemon longifolius Blume, Bijdr. Fl. Ned. Ind. 598. 1826; Hook.f., Fl. Brit. India 5: 341. 1887, p. p. C. macrophyllus Blume, l. c. 598. 1826; Hook.f., l. c. 340. 1887, p. p.; C.E.Parkinson, Forest Fl. Andaman Isl. 236. 1923. C. calocarpus Hook.f., l. c. 343. 1887. Drypetes macrophylla (Blume) Pax & K.Hoffm., l. c. 247. 1922. D. calocarpa (Hook.f.) Pax & K. Hoffm. l. c. 251. 1922. Hydnocarpus castanea sensu C.E.Parkinson, l. c. 84. 1923, non Hook.f. & Thomson 1872.

Trees, 4 - 15 (-18) m tall, with drooping branches; branchlets pubescent when young, glabrous when old. Leaves oblong to narrowly oblong-elliptic, oblique at base, entire, acute to obtuse or bluntly acuminate at apex, 10 - 35 x 3.5 - 12 cm, stiffly coriaceous, glabrous; midrib impressed above, raised beneath; lateral nerves 5 - 10 pairs; petioles 4 - 10 mm long. Inflorescences cauliflorous, axillary or infra-axillary. Male flowers: pedicels 5 - 20 mm long; sepals 4 or 5, suborbicular, 4 - 6 x 3.5 - 5 mm, tomentellous outside; stamens numerous, ca 50, 3 - 5 mm long; anthers ellipsoid to suborbicular, ca 1 mm long; disc flat. Female flowers: pedicels 10 - 15 mm long; sepals 4 or 5, suborbicular, 4 - 5 x 3.5 - 4.5 mm; disc annular; ovary globose, ca 2 mm in diam., 2-locular, tomentellous; stigmas 2, sessile, each bilobed, spreading, flabellate, ca 3 mm across. Fruits subglobose or ovoid, 2 - 2.5 cm in diam., evanescently tomentellous, 2- locular, unlobed, orange yellow when ripe, brown when dry; pedicels 15 - 20 mm long.

Fl. & Fr. Jan. - Dec.

Distrib. India: Inland evergreen forests, sandy loam, up to 100 m altitude. Andaman & Nicobar Islands.

(?)Sri Lanka, Myanmar, Thailand and throughout Malesia.

Notes. Report by Ayyappan & Parthasarathy (in Phytotaxonomy 1: 133. 2001) from Anamalai hills of Tamil Nadu is based on wrong identification.

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