Botanical Survey of India | Flora of India

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Viscum trilobatum Talbot, Forest Fl. Bombay & Sind 2: 419, f. 479. 1911. V. capitellatum Hook.f., Fl. Brit. India 5: 225. 1886, p. p. (non Sm., 1817); T. Cooke, Fl. Bombay 2(3): 552. 1906, p. p.; Gamble, Fl. Madras 2(7): 1258. 1925 (repr. ed. 2: 881. 1957), p. p.


Evergreen, monoecious, erect, herbaceous semi-stem parasites, up to 25 cm long, decussately branches below and dichotomously towards upper portions; nodes swollen. Leaves normal, opposite, sessile or subsessile, obovate or suborbicular, wavy along margins, 0.7 – 2 x 0.5 x 1.5 cm, coriaceous; main nerves 3, distinct above; petioles up to 2 mm long. Inflorescences cymose, shortly peduncled, mainly axillary at nodes, up to 6 at each node; peduncles up to 5 mm long, bearing a boat-shaped cup of 2 connate bracts enclosing 3 sessile flowers, the central one being large and male, the laterals female. Male flowers: sessile, pandurate, ca 2.5 x 1.5 mm; perianth lobes 3, triangular, ca 1.5 x 1.5 mm; stamens 3; anthers 2-loculed, attached to and placed opposite to the perianth lobes on the inner side. Female flowers: sessile, oblong, ca 2 x 1 mm; perianth lobes 4, ca 0.7 x 1 mm; ovary inferior; style short; stigma capitate. Fruit a drupe, subglobose or ovoid, smooth, with ridges, ca 5 x 4 mm.

Fl. & Fr. Feb. - June.

Distrib. India: Karnataka, Kerala and Tamil Nadu.

Endemic.

Pollen. Rounded convex, almost spherical, prolate spheroidal, tricolpate. 34.4 - 30.7 μm. (Feur & Kujit, Amer. J. Bot. 69: 1 - 12. 1982).

Hosts. Mostly on Dendrophthoe falcata, Loranthus bracteatus and Excoecaria agallocha.




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