tropical Southeast Asia
Barclaya longifolia Wall.
Perennial. 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
Barclaya contains just two species. Barclaya longifolia is well established in the aquarium hobby and readily propogates by seed. Barclaya motleyi Hook.f. is much more demanding and is not cultivated for aquaria.