Triraphideae P.M. Peterson, Molec. Phylogen. Evol. 55(2): 591. 2010 ≡ Triraphidinae Stapf, Fl. Trop. Afr. 9: 22. 1917 - Type: Triraphis R. Br., Prodr. 185. 1810.

Peterson, Paul M., Romaschenko, Konstantin & Arrieta, Yolanda Herrera, 2022, A phylogeny of the Triraphideae including Habrochloa and Nematopoa (Poaceae, Chloridoideae), PhytoKeys 194, pp. 123-133 : 123

Triraphideae P.M. Peterson, Molec. Phylogen. Evol. 55(2): 591. 2010 ≡ Triraphidinae Stapf, Fl. Trop. Afr. 9: 22. 1917 - Type: Triraphis R. Br., Prodr. 185. 1810.

Description

(emendation). Annuals or perennials, sometimes rhizomatous or reedlike ( Neyraudia ) culms 4-500 cm tall, erect or decumbent; ligules membranous and ciliate or a fringe of hairs; inflorescence a panicle, open to contracted, rarely spiciform; spikelets 2-15 mm long, 3-24-flowered, laterally compressed; glumes usually shorter than the spikelets or upper glume 2 × as long as adjacent lemma ( Habrochloa ), 0-, 1- or 3-veined, membranous, sometimes hyaline, apex entire to mucronate, rarely awned; lemmas membranous, rarely cartilaginous, 3-veined with ciliate or pilose margins, lateral veins, if present, usually hairy and sometimes extending as awns ( Triraphis ), apex bifid and awned from between the sinus; paleas 0.5 to as long as lemma, 2-veined; stamens 3; caryopses with adherent pericarp, often trigonous to ellipsoid, sometimes linear.

Included genera.

Habrochloa , Nematopoa , Neyraudia , Triraphis .