Helixanthera sessiliflora

Primary tabs

Helixanthera sessiliflora


Glabrous. Leaves opposite; lamina elliptic to obovate, 6-12 by 3-7 cm, cuneate to attenuate at the base to a petiole 5-10 mm long, obtuse or rounded at the apex, dull on both sides; venation pinnate with the midrib prominent and the main laterals somewhat curvinerved and faintly visible on both sides. Inflorescences at the nodes, a dense many- flowered spike; axis 20-40 mm long; bracts rounded, very concave, appressed to the axis, c. 0.8 mm long. Ovary shortly campanulate, c. 1 mm long; calyx limb erect, c. 0.2 mm long.


Asia-Tropical: Philippines (Philippines present)
Malesia: Philippines.


The originals of the four syntypes (PNH) are not extant; a specimen of Whitford 1171 has been seen (US) and is designated lectotype of the species name.