ຫວາຍຫາງໜູນາ / Rice Rat Tail Rattane

Description. Stems clustered, climbing, to 3 m long and 1 cm diameter. Leaf sheaths green with brown hairs, without spines or with scattered, black-tipped, flattened, to 0.7 cm long spines; ocreas present; knees  present; flagella present, to 0.5 m long; petioles to 15 cm long; rachis to 0.4 m long with 4-8, elliptic leaflets per side, these irregularly arranged, often in pairs; cirri present, vestigial, to 0.2 m long, sometimes absent  especially on younger leaves. Inflorescences to 1.0 m long, not flagellate; bracts tubular; fruits globose, 0.8 cm diameter, yellowish-brown. Distribution and habitat. Central and southern Laos (possibly in  Thailand) in lowland evergreen or deciduous forest at 200-530 m elevation. Flowering and fruiting. Flowers January.