Plectocomiopsis geminiflora (Griff.) Becc.

Clustering, moderate to robust rattan, forming rather dense thickets. Stems to 30 m or more, without sheaths to 3 cm diam., with sheaths to 6 cm diam., but usually more slender, internodes to 40 cm, shorter in exposed stems. Leaves cirrate; sheaths generally dull green with persistent grey tomentum and scattered caducous reddish-brown scales, and abundant scattered golden-yellow spines to 0.8 cm long, the spines sometimes absent on the sheaths subtending the inflorescences; knee absent; ocrea irregular, oblique, fibrous and tattering; petiole absent in adult stems; rachis to 2 m long; cirrus to 1 m; leaflets c. 30 on each side of the rachis, regularly arranged, the largest to 40 x 4 cm, bright shining green, concolorous, with short bristles along the margins, the mid nerve on the upper surface usually with conspicuous golden bristles to 1.5 cm. Inflorescences up to 15 produced simultaneously, the male with more slender branches than the female, to 40 cm, with curving branches to 30 cm bearing clusters of flowers. Ripe fruit oblate, to 2.5 x 3 cm, covered in up to 42 vertical rows of pale greenish to chestnut brown scales. Seed c. 2 x 2 cm; endosperm homogeneous. Seedling leaf bifid.