Glabrous except for all young parts densely brown tomentose, eventually glabrescent except for the ovary. Leaves opposite or sometimes scattered; lamina lanceolate to ovate, mostly 3-7 cm long, mostly 1-2 cm wide, attenuate at the base to a petiole 1-6 mm long, acuminate and acute or shortly rounded at the apex, thin, dull on both sides but slightly darker above; venation pinnate with the midrib and the main laterals distinct above and the midrib prominent below. Inflorescencess at the nodes, a 2- or 3- (rarely to 5-)flowered raceme; axis 5-20 mm long, flattened upwards; pedicels 0.2-2 mm long, subumbellately crowded near the tip of the axis; bracts triangular, acute, c. 1 mm long. Ovary urceolate, 1-1.5 mm long; calyx limb slightly spreading, entire, c. 0.2 mm long.
Himalayas to southern China and Vietnam: present Luzon: present
Himalayas to southern China and Vietnam; Malesia: Philippines (Luzon).
species is recorded both as an aerial branch-parasite and a terrestrial root- parasite; in Malesia it apparently has the former growth habit.
Helixanthera ligustrina in Bull. Jard. Bot. Buitenzorg 10: 317. 1929