The Collaborative International Dictionary
Monostichous
Monostichous \Mo*nos"ti*chous\ (m[-o]*n[o^]s"t[i^]*k[u^]s), a. [See Monostich.] (Bot.) Arranged in a single row on one side of an axis, as the flowers in grasses of the tribe Chlorid[ae].
Wiktionary
monostichous
a. (context botany English) Arranged in a single row on one side of an axis.