tropical Southeast Asia
Species commonly cultivated
Barclaya longifolia Wall. (India to Papua New Guinea)
Perennial, submersed (with no emersed leaves). Stem a corm or elongate rhizome. Leaves in rosettes along rhizome, petiolate; leaf blade oblong (orbicular in B. motleyi Hook. f.), red-brownish or green; margin entire, undulate. Flower borne on elongate petiole, either open and emergent or remaining submersed and closed; sepals 5; petals 8-10, red. Fruit contains numerous spiked orbicular seeds. Dispersal primarily by seed. Plant undergoes periodic resting stages.
ponds and streams