Botanical Survey of India | Flora of India

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Dicentra paucinervia K. Stern in Brittonia 13: 45. 1961.


Herbs, scandent or climbing, 4 - 5 m long; stems 5-angular, grooved, glabrous; rootstock stout. Leaves trifoliate, exstipulate, ca 8 cm long; petioles ca 3 cm long, angled, slightly vaginate at base; leaflets broadly ovate, acute or acuminate, 2.5 - 6 x 2 - 3 cm; terminal leaflet ovate, rounded or acute at base; laterals slightly unequally cordate at base, entire, glabrous; nerves 3 - 6 from base, lowest pair comparatively inconspicuous; petiolules grooved above, terminal ones up to 8 mm long; terminal leaflets often tendrillar. Flowers orange, ca 2 cm long, in leaf-opposed 7 - l4-flowered ca 22 cm long racemes; pedicels up to 2.5 cm long; bracteoles ca 3 mm long. Sepals ovate-acuminate, ca 2 mm long. Petals yellow, ca 2 cm long, faintly reflexed, slightly spurred; inner with filiform ca 1.5 cm long claw, crested; filaments connate up to anthers; nectariferous glands short, 4 - 5 mm long, ca 1.7 mm wide, not hooked, often producing a waxy secretion. Style filiform, ca 8 mm long. Capsules ovoid, 12 - 20 mm long, 4 - 8 mm thick; seeds many, reniform, papillate, arillate.

Fl. & Fr. May - Nov.

Distrib. India: Warm broad-leaved forests, 900 - 1500 m. Sikkirn and West Bengal (Darjeeling District).

Bhutan.

Notes. Stern (l. c.) speaks of the similarity of D. grandifoliolata Merrill and D. paucinervia to an extent, but the leaflets of the former are membranaceous, veins not prominent beneath and spur shorter.




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