Tetrastigma obovatum
Gagnepain in Notul. Syst. (Paris) 1: 266.
318. 1911. Vitis obovata M. Lawson in Fl. Brit. India 1: 658.1875, nom.
illegit. (non Ratin., 1830; nec Baker 1857).
Kh.: Soh-lar-pung.
Large climbing shrubs; branches flattened, brownish-pubescent; tendrils simple. Leaves 3-5-foliolate, fulvous-pubescent especially on nerves beneath; petioles 9-15 cm long, pubescent; terminal leaflets obovate to broad-elliptic, 13-22 x 6-13 cm, acuminate at apex, acute to cuneate at base, distantly bristly- serrate to subentire at margins; petiolules 1.5-3 cm long; lateral leaflets 9-17 x 4-8 cm, slightly oblique at base, otherwise as in terminal leaflets; petiolules 1-1.5 cm long. Inflorescences corymbose cymes, ca 8 cm long, brownish pubescent; peduncles ca 3 cm long. Flowers ca 3 mm long, greenish yellow. Calyx cupular, 4-toothed, pubescent. Petals ca 2.5 x 1.5 mm, hooded, dorsally spurred at apex in male flowers, pubescent. Disc membranous, encircling lower half of ovary. Ovary conical, ca 1 mm across, pubescent; stigma sessile, star shaped. Berries ellipsoid, 1.5-2.5 cm across, black, 1-3-seeded. Seeds ellipsoid, 11-14 x 9-10 mm, plano-convex, mucronate at base, transversely striate on sides; adaxial surface with a linear raphe; abaxial surface with a clavate chalaza.
Fl. & Fr. : Jan. - Nov.
Distrib. India: Sikkim, Arunachal Pradesh, Nagaland and Meghalaya.
Bhutan, Bangladesh and Myanmar.
Notes. Presence of 5-foliolate, fulvous-pubescent, digitate leaves, pubescent ovary and the star-shaped stigma distinguishes it from the other species of Tetrastigma.
Chromosome number 2n=ca 44 (Lavie, P., These Doct. Ing. Fac. Sci. Univ. Montpellier, Fasc. 1: 1-292. 1970).
Large climbing shrubs; branches flattened, brownish-pubescent; tendrils simple. Leaves 3-5-foliolate, fulvous-pubescent especially on nerves beneath; petioles 9-15 cm long, pubescent; terminal leaflets obovate to broad-elliptic, 13-22 x 6-13 cm, acuminate at apex, acute to cuneate at base, distantly bristly- serrate to subentire at margins; petiolules 1.5-3 cm long; lateral leaflets 9-17 x 4-8 cm, slightly oblique at base, otherwise as in terminal leaflets; petiolules 1-1.5 cm long. Inflorescences corymbose cymes, ca 8 cm long, brownish pubescent; peduncles ca 3 cm long. Flowers ca 3 mm long, greenish yellow. Calyx cupular, 4-toothed, pubescent. Petals ca 2.5 x 1.5 mm, hooded, dorsally spurred at apex in male flowers, pubescent. Disc membranous, encircling lower half of ovary. Ovary conical, ca 1 mm across, pubescent; stigma sessile, star shaped. Berries ellipsoid, 1.5-2.5 cm across, black, 1-3-seeded. Seeds ellipsoid, 11-14 x 9-10 mm, plano-convex, mucronate at base, transversely striate on sides; adaxial surface with a linear raphe; abaxial surface with a clavate chalaza.
Fl. & Fr. : Jan. - Nov.
Distrib. India: Sikkim, Arunachal Pradesh, Nagaland and Meghalaya.
Bhutan, Bangladesh and Myanmar.
Notes. Presence of 5-foliolate, fulvous-pubescent, digitate leaves, pubescent ovary and the star-shaped stigma distinguishes it from the other species of Tetrastigma.
Chromosome number 2n=ca 44 (Lavie, P., These Doct. Ing. Fac. Sci. Univ. Montpellier, Fasc. 1: 1-292. 1970).
