Artabotrys speciosus Kurz ex Hook. f. & Thomson in Fl. Brit. India 1: 55. 1872.

Large climbers; young branches slender, sparsely appressed pilose, glabrous with age. Leaves oblong to oblong-lanceolate, acute at base, shortly and obtusely acuminate at apex, 10 - 20 x 4.5 - 6.5 cm, glabrous; petioles 7 - 10 mm long. Flowers few, fascicled on the hooked peduncle; pedicels ca 5 mm long, puberulous. Sepals 3, ovate, connate at base, abruptly acuminate at apex, 4 - 6 x 1.5 - 2 mm, pubescent outside, glabrous inside. Petals 6 (3 + 3), yellow; outer petals narrowly concave at base, linear upwards to obtuse apex, 2.5 - 4.5 cm, thickly coriaceous, appressed pubescent; inner ones connate at clawed base with free limbs, 1 - 2.5 cm long; connectives bluntly apiculate at apex, with brown dots. Carpels few, ca 1.5 mm long, mixed with straight hairs; styles articulated; stigma club-shaped. Ripe carpels not seen.

Fl. March - April.

Distrib. India: Andaman & Nicobar Islands.

Endemic.