Taxonomic novelties in Chamaecrista (Leguminosae: Caesalpinioideae) from Brazil Author Rando, Juliana G. Author Loeuille, Benoit Author Pirani, José Rubens text Phytotaxa 2013 2013-04-30 97 1 17 25 http://dx.doi.org/10.11646/phytotaxa.97.1.2 journal article 10.11646/phytotaxa.97.1.2 1179-3163 5072363 Key to Chamaecrista choriophylla and related taxa 1. Stem terete; extrafloral nectaries sessile ( Fig. 1 D ) ............................................................ Chamaecrista choriophylla -. Stem quadrangular to 4-alate; extrafloral nectaries shortly pedicellate ( Fig. 1 H, M ) ................................................ 2. 2. Stipules 2.0–4.0 mm long, base rounded or truncate, sometimes cordate at opposite side to petiole, apex acute or long acuminate, side veins 4–8 ( Fig. 1 L ); pedicels 8.0– 14.5 mm long Fig. 1 J ) .................. Chamaecrista rossicorum -. Stipules 6.5–18.0 mm long, base cordate and amplexicaule in both sides, more cordate opposite to petiole, apex long acuminate, side veins 11–24 ( Fig. 1 G ); pedicels 22.5–42.0 mm long ( Fig. 1 F ) ....................... Chamaecrista latifolia