Bark
No true bark; the plant has leafy pseudostems formed by overlapping leaf sheaths. Rhizomes are thick, branched, aromatic, and pale brown externally.
Syn. Languas calcarata
No true bark; the plant has leafy pseudostems formed by overlapping leaf sheaths. Rhizomes are thick, branched, aromatic, and pale brown externally.
Simple, alternate, lanceolate to narrowly elliptic, 20–50 cm long. Dark green, glabrous, with entire margins and a distinct midrib. Leaves arise alternately along the pseudostem.
White with pink or reddish streaks on the labellum. Borne in short terminal racemes. Flowers are fragrant and zygomorphic.
Globose to ovoid capsule, about 1–1.5 cm in diameter. Turns orange-red when mature. Contains numerous small seeds enclosed in a thin aril.
Named after Prospero Alpini, a famous 16th-century Italian botanist, the genus contains over 230 to 240 species of aromatic rhizomatous herbs.
S. India, China (Guangdong) to Indo-China.