Dactylicapnos macrocapnos

Herbaceous perennial climbing herbs, about 1 m long. Stems slender, angular, grooved, green and glabrous. Leaves decompound, exstipulate, about 6-8 cm long, petiole about 2.5-3 cm long, basal leaves often modified into branched tendrils, usually first pair of lateral leaflets smallest, terminal leaflet the largest, broadly ovate to broadly lanceolate, about 3-4.5 x 2-3.5 cm across, base cuneate, margin entire, apex deeply acute or obtuse with mucronate tip, leaflets green when dried, lateral veins 4-5 on either side of the midrib, reaching the margins, first or lowest pair almost near the base, petiolules slender, grooved, lateral ones shorter, about 4-8 mm long, terminal leaflets usually longest about 1.2-1.6 cm long. Inflorescence raceme, about 7-14 flowered, peduncle slender, about 3-6 cm, bracts linear to narrow oblanceolate, about 4-10 mm long. Flowers bisexual, leaf opposed, bright yellow with reddish apex, about 2 cm long, pedicels about 1.8-2.2 cm long, bracteoles about 3 mm long, sepals 2, ovate-broadly lanceolate, apex acuminate, about 3-4 x 2 mm long, petals, linear, faintly reflexed, about 2 cm long, inner petals filiform, bright yellow with reddish at apex, hooded, with long claw about 2 cm long, crested, nectariferous glands short, about 20-22 x 1.5-1.7 mm across, Stamens 6 in 2 bundles, each bundle 2 loculed, later anthers one loculed, base expanded into 1-2 nectary glands, enclosed by swollen base of outer petal. Ovary subglobose or elongate, unilocular, ovules few to many, style slender, stigmas flattened with 2 hornlike at apex. Fruits capsules, linear, ellipsoid-obovoid, grooved, dehiscing by 2 valves in upper part, acute at the both ends, with persistent placentae and style, about 20-25 x 4-6 mm across. Seeds reniform, compressed, black, papillate, beaked on one side, bulged other side, about 1.5-2 mm long, arillate.