Aechynomene series Viscidulae, Rudd, 1955

Silva, Marcos José Da & Antunes, Lorena Lana Camelo, 2014, An update of the Brazilian species of Aeschynomene sect. Ochopodium ser. Viscidulae including a new species and a new synonym, Phytotaxa 184 (1), pp. 31-38 : 35

Key to the species of Aechynomene series Viscidulae occurring in Brazil

1. Plants from 1 to 3.5 m tall, virgate, always erect; branches robust and glutinous .............................................................................2

- Plants usually up to 70 cm tall, decumbent, prostrate, or suberect, or more rarely up to 6 m (e.g. A. elegans ); branches slender, glabrescent to pubescent; trichomes glandular or not, but never glutinous .......................................................................................3 4. Racemes congested, smaller than the adjacent leaves; fruits with a tuft of trichomes below the first article............... A. histrix Poir. - Racemes lax, larger than the adjacent leaves; fruits glabrescent to hirsute, but without a tuft of trichomes.....................................5