Austroderia turbaria

Description

Tall, hermaphrodite, tussock of wetlands. Leaf-sheath inter-nerves and margins conspicuously hairy. Ligule mm. Collar underside glabrous, top side sparsely hairy. Leaf-blade up to .5 x 0.5 m, glaucous, tapering to long, thin point; under surface with long inter-rib hairs, upper surface with conspicuous, dense, weft of hairs at base otherwise glabrescent; lamina margins scabrid. Culm to m, internodes glabrous. Inflorescences 400-800 mm, dense, plumose, drooping, branches and pedicels covered in copious long hairs, these longer than spikelet. Spikelets with florets. Glumes equal, 5 mm or less, -nerved, thin; upper with 0 mm or less hairs, lower less hairy or glabrous. Lemma 9 mm. Palea 7 mm, long-hairy, apex hair-tipped, keels ciliate. Callus hairs 3 mm. Rachilla mm, glabrous. Anthers .7-.6 mm. Gynoecium with ovary to 0.8 mm, stigma-styles .5 mm. Seeds ovate, rugose, 3 mm.