Polystachya Hooker

Ariyarathne, W. A. M. P., Yakandawala, Deepthi, Samuel, Rosabelle & Wijesundara, Siril, 2017, Evaluating the occurrence and conservation statuses of Sri Lankan Orchids (Orchidaceae): Observations on newly recorded species and undocumented regions, Phytotaxa 308 (1), pp. 37-53 : 50

Polystachya Hooker

Asian region including Sri Lanka contains only one species of this genus, P. concreta (Syn: Epidendrum concretum Jacq. ) (Russell, et al., 2010). This is a LC species and one of the most commonly observed species during the whole study period ( MOE, 2012). The observed flowering season is October to May, slight deviation from the recorded data March, April and July to October by Jayaweera in 1981.