Botanical Survey of India | Flora of India

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Helinus lanceolatus Brandis, For. Fl. 574. 1874; M. Lawson in Fl. Brit. India 1: 644. 1875.


Bright green, slender, tendrilar shrubs; tendrils usually near the tips of branches or sometimes branchlets ending in short simple tendrils; young branches hairy. Leaves ovate, lanceolate, 1.3-8 .1 x 0.3-3.2 cm, apex acute, rounded or usually shallowly cordate at base, glabrous above and tomentose below, membranous, entire, penninerved; lateral nerves 3-5 pairs, secondary nerves camptodromous; petioles 5-10 mm long, pilose or tomentose; stipules 0.5 -2 x 0.5-1 mm, subulate. Umbels 2-12-flowered. Flowers 4-8 mm across; peduncles filiform, 1-3.2 cm long; pedicels 4-7 mm long in flowers, 7-15 mm in fruits; bracteoles 1.2 x 0.5 mm long. Calyx 2.5-4 x 1.5-2 mm, glabrous. Petals 5, whitish, 2-3 x 0.5-1 mm, inserted on the margin of disc, margin and apex incurved, enclosing stamens. Stamens 1.5-2.5 mm long; filaments filiform, flat; anthers dorsifixed. Disc glabrous. Ovules solitary; style 3-fid; stigma lobes recurved, glabrous. Fruits pendulous, globose to slightly obovoid, 5-10 mm long, glabrous, reddish-green to dark brown or black when ripe. Seeds 3, 3.5 x 3 mm, plano-convex; testa coriaceous, shining; albumen fleshy; cotyledons large, flat, obtuse; radicle short.



KEY TO THE VARIETIES


1a. Leaves glabrous on both surfaces 1.1. lanceolatus
b. Leaves tomentose below, slightly pubescent above on nerves only 1.2. tomentella


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