Cyperus involucratus Rottb., Descr. Pl. Rar. 22 1772. (Syn: Cyperus alternifolius var. albovariegatus auct.; Cyperus alternifolius subsp. flabelliformis Kük.; Cyperus alternifolius var. flabelliformis (Rottb.) M.R.Almeida; Cyperus alternifolius var. petersianus (Boeckeler) Kük.; Cyperus flabelliformis Rottb. [Illegitimate]; Cyperus flagellatus Hochst.; Cyperus gradatus Forssk.; Cyperus petersianus Boeckeler; Cyperus proximus Steud.); Images by Surajit Koley, (inserted by Bhagyashri Ranade) Feb2015sk13 Hooghly – Cyperus involucratus Rottb. : 1 post by 1 author. Attachments (12) This is ornamental, but now growing as wild perennial in a dilapidated DURGA-DALAN (a building where Durga Puja is observed). Photogrpahed today. (6.2.15) Earlier I found it in Alipore – https://groups.google.com/d/msg/indiantreepix/b9I64WNzwU0/RMo_xB6w0pcJ. As per KEY in FoC this should be Cyperus involucratus Rottb. (Cyperus alternifolius subsp. flabelliformis Kük.), not Cyperus alternifolius L. References: The Plant List Ver.1.1 WCSP (Cyperus alternifolius subsp. flabelliformis Kük. in H.G.A.Engler (ed.), Pflanzenr.) GRIN (Cyperus involucratus Rottb.) Flora of China FOC illustration Dave’s Garden Fact Sheet
