Re-circumscription of the mimosoid genus Entada including new combinations for all species of the phylogenetically nested Elephantorrhiza (Leguminosae, Caesalpinioideae, mimosoid clade) Author O'Donnell, Shawn A. https://orcid.org/0000-0003-0731-7425 Department of Geography and Environmental Sciences, Northumbria University, Newcastle upon Tyne, NE 1 8 ST, UK shawn.odonnell@cantab.net Author Ringelberg, Jens J. https://orcid.org/0000-0003-0567-5210 Department of Systematic and Evolutionary Botany, University of Zurich, 8008 Zurich, Switzerland Author Lewis, Gwilym P. https://orcid.org/0000-0003-2599-4577 Accelerated Taxonomy Department, Royal Botanic Gardens, Kew, Richmond, TW 9 3 AE, UK text PhytoKeys 2022 2022-08-22 205 99 145 http://dx.doi.org/10.3897/phytokeys.205.76790 journal article http://dx.doi.org/10.3897/phytokeys.205.76790 1314-2003-205-99 4024A478048757B197E5CF8734331A9E Entada reticulata Gagnep., Notul. Syst. (Paris) 2: 59. 1911. Type . LAOS . Bassac, Thorel 1427 , p.p . ( holotype : P [P030131, P030132]). Description. Shrub, scandent. Leaves : petiole 1.3-2.3 cm long, rachis 3.5-5 cm long, terminating in a bifurcating tendril; pinnae 2 pairs per leaf, 5-7 cm long, with 8-16 pairs of opposite leaflets; leaflets 0.6-1.8 x 0.2-0.4 cm, oblong, apex mucronate, base obtuse, lamina glabrous except for pubescence on mid-rib below. Inflorescence : a 5-8 cm long, axillary, solitary spike, axis pubescent. Flowers : sessile, staminate or bisexual; calyx cupular, 0.8-1.5 mm long, shallowly toothed, glabrous; petals 3-3.5 mm long, linear-lanceolate. Fruit : a straight to slightly curved torulose craspedium, 5.5-11.5 x 1.5 cm, with transverse septa between seeds dividing the fruit into one-seeded segments which, upon ripening, fall from the persistent replum; segments 1.3-1.5 cm long; epicarp coriaceous, endocarp parchment-like. Seeds : globose, 0.85 cm in diameter, hard, brown, pleurogram lacking. Distribution. Laos, Cambodia. Habitat and ecology. Seasonally dry deciduous forest or mixed forest with Dipterocarpaceae .