Guadua inermis

HABIT Perennial; caespitose. Culms 1700 cm long; without nodal roots. Lateral branches dendroid. Branch complement two, or three. Leaf-sheaths smooth; outer margin glabrous, or hairy. Leaf-sheath oral hairs setose. Ligule an eciliate membrane. Collar with external ligule. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades linear, or lanceolate; 10 cm long. Leaf-blade surface glabrous.

INFLORESCENCE Synflorescence bractiferous; clustered at the nodes; in untidy tufts; lax; with glumaceous subtending bracts; prophyllate below lateral spikelets; leafless between clusters.

Fertile spikelets sessile.

FERTILE SPIKELETS Spikelets comprising 8–9 fertile florets; with diminished florets at the apex. Spikelets linear; subterete; 16–24 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes several; 1–3 empty glumes; deciduous; shorter than spikelet.

FLOWER Lodicules 3.

DISTRIBUTION North America: Mexico.

NOTES Bambuseae. Fournier 2014.

Please cite this publication as detailed in How to Cite Version: 3rd February 2016.