Dioscorea polyclades Hook.f., Fl. Brit.

R. S., Pagare, K. C., Kishor & Arisdason, W., 2020, Typification of seven names in Dioscorea (Dioscoreaceae) described by J. D. Hooker, Rheedea 30 (2), pp. 312-316 : 315

publication ID	https://doi.org/10.22244/rheedea.2020.30.02.09
persistent identifier	https://treatment.plazi.org/id/970C87A9-FFCB-FFA1-FD5B-FF27824A185E
treatment provided by	Felipe
scientific name	Dioscorea polyclades Hook.f., Fl. Brit.
status

Treatment

Dioscorea polyclades Hook.f., Fl. Brit. View in CoL India 6: 294. 1892. Lectotype (designated here): SINGAPORE, fl., 1890, Ridley 1646 (BM [BM001051495 digital image!]). Fig. 6 View Fig

Notes: Hooker (1892) described D. polyclades based on collection made by Ridley from Singapore. Hooker (1892) had also stated “The Singapore plant I think certainly Zollinger’s No. 283 from Java”. Eight specimens of Zollinger 283, two each at BM (BM001051499, BM001051500 ), G (G00191826, G00191835) and K (K000098332, K001144646) and one each at L ( L 1465246 ) and P (P01751236) were traced. But Ridley 1646 at BM (BM001051495, https://data.nhm.ac.uk/object/ b56ec95e-6155-4b9a-a01e-89e3679b557f/ 1564358400000) is the sole collection which unequivocally agrees with the protologue is designated here as the lectotype .