Humboldtia unijuga Bedd. var. unijuga

Trees; upto 8 m high, branches slender, solid, terete, strigose when young, glabrous and faintly suberose when mature. Leaves bifoliate, alternate; stipule lateral, 5-7 x 2.5 mm narrowly ovate, acute, prominently parallel veined, connate at base, glabrous, appendages absent; rachis stout, glabrous; gland at the top; estipellate; leaflets subsessile, 4-15 x 2-5 cm, elliptic-lanceolate or lanceolate or narrowly ovate, base unequal, apex obtusely acuminate, margin entire, glabrous; lateral nerves 5-15, pinnate, looped at the margin forming intramarginal nerve, prominent; intercostae reticulate. Flowers bisexual, 1.5-2.5 cm long, crimson, in axillary as well as cauliflorus racemes; sterile bracts present at the base of racemes; peduncle pubescent; pedicel finely brown pubescent; petals 5, 10-15 mm long, obovate, crimson, narrowed at base, veined, glabrous; stamens 5, free, filaments 10 mm long, filiform; anthers versatile; staminodes absent; ovary half inferior; style 8-10 mm long, filiform, glabrous, 8-10 mm long. Fruit a pod 5-8 x 2-3 cm, compressed, oblong, deep red, veined;