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Genus :

DENDROCALAMUS

Family :

POACEAE

Description


Clump forming. Culms erect. Branch buds solitary, ovate to triquetrous, swollen, not keeled, generally with 3-splits. Culm sheaths usually with rather pale hairs, auricles generally absent, if present very small, blades triangular to narrowly triangular. Leaves in complements. Flowering generally leafless, sometimes leafy. Inflorescence pseudospikelets with 1-6 florets, all florets generally fertile but in some species the apical one sterile or reduced to a glume or palea on an extended rachilla. Paleas of lower florets 2-keeled, those of uppermost floret not or only slightly keeled. Lodicules none or very scare. Ovary with hairy apex, bearing a long slender hairy style, with usually an undivided stigma. Fruit a nucoid caryopsis, embryo small.

Key to the species

Serial Key Reference
1a. Base diameter of the culm usually more than 10 cm; transverse pubescent band above and below the nodal line; culm glabrous, dull green; culms heath leathery, covering about half of the internode D. giganteus
1b. Base diameter of the culm usually less than 10 cm; no transverse pubescent band above and below the nodal line; culm whitish brown pubescent, dull green. Culm sheath papery, covering almost whole of the internode D. longispathus