Botanical Survey of India | Flora of India

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Drypetes oblongifolia (Bedd.) Airy Shaw in Kew Bull. 23: 57. 1969; Chakrab. et al. in J. Econ. Taxon. Bot. 21: 270. 1999. Laneasagum oblongifolium Bedd. in Madras J. Sci. Lit. II, 22: 71. 1861. Cyclostemon macrophyllus var. sessiliflorus Bedd., Fl. Sylv. S. India 2: 278. 1872. C. macrophyllus var. peninsularis Hook.f., Fl. Brit. India 5: 341. 1887. C. macrophyllus auct. non Blume, 1825: Brandis, Indian Trees 567. 1906, p. p.; Gamble, Fl. Madras 2(7): 1302. 1925 (repr. ed. 2: 911. 1957). Drypetes longifolia sensu Pax & K.Hoffm. in Engl., Pflanzenr. IV.147.xv (heft 81): 245 - 246. 1922, p. p. (non Cyclostemon longifolius Blume, 1825).


Mal.: Mala-payin.

Trees, 5 - 25 m tall; young parts (branchlets, petioles and leaves beneath) ochraceous pubescent, soon glabrous. Leaves oblong to oblong-elliptic or oblong-oblanceolate, oblique at base, obscurely to prominently denticulate or serrulate along margins, acuminate or often rounded at apex, 9 - 27 x 3 - 10 cm, stiffly coriaceous, glossy; midrib flat above; lateral nerves 5 -10 pairs; petioles 3 - 10 mm long. Inflorescences mainly cauliflorous or sometimes axillary, subumbellate. Male flowers: 10 - 15 mm in diam., sessile; sepals 4 or 5, oblong to ovate, 8 - 10 x 4 - 5 mm, velutinous outside; stamens 30 - 40, 5 - 10 mm long; anthers oblong, 1 - 2 mm long; disc disciform, lobulate. Female flowers: 10 - 15 mm in diam., sessile; sepals 4 or 5, ovate to orbicular, 4 - 5 x 4 - 5 mm, villous; disc annular; ovary globose, ca 2 mm in diam., 2-locular, tomentose; stigmas 2, sessile, flabellate, 2 - 2.5 mm across. Fruits sessile, globose or sometimes ellipsoidoblong, 3 - 3.5 cm in diam., often faintly lobed or flattened, 2-locular, densely yellow pubescent.

Fl. & Fr. Jan. - Dec.

Distrib. India: Evergreen forests of Western Ghats, often along streams and riverbanks, at 200 - 1500 m altitudes, scarce. Karnataka (Coorg), Kerala and Tamil Nadu.

Borneo.

Notes. The disjunct distribution in Peninsular India and Borneo is perplexing. The species D. longifolia reported from Sri Lanka (Philcox in Dassan. & Clayton, Rev. Handb. Fl. Ceylon 11: 266. 1997) is most probably D. oblongifolia (Bedd.) Airy Shaw, an extension of South Indian distribution.

The flowers are foetid.

Pollen 3-colporate, sexine micro-reticulate to reticulate. P = 38 µm (36 to 42), E = 30 µm (26 to 34). (Tissot, Chikki & Nayar, Pollen of Wet Evergreen Forests of Western Ghats, India. Publ. du depart. D’ecologie, Inst. Francias de Pondichery, Pondicherry).




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