The Collaborative International Dictionary
Acrogenous
Acrogenous \Ac*rog"e*nous\, a. (Bot.) Increasing by growth from the extremity; as, an acrogenous plant.
Wiktionary
acrogenous
a. (context botany English) Increasing by growth from the extremity.
WordNet
acrogenous
adj. pertaining to flowerless plants (ferns or mosses) in which growth occurs only at the tip of the main stem [syn: acrogenic]