Serjania perulacea

Coulleri, Juan P., Brem, Marta C. & Ferrucci, María S., 2017, Geographic variation of Serjania perulacea (Paullinieae, Sapindaceae) and description of two new varieties, Phytotaxa 313 (1), pp. 23-42 : 35

Key to the varieties of Serjania perulacea

1. Vegetative organs ochraceous pubescent; leaflets chartaceous. Leaf blade imparipinnate 2-jugate, the lower jugae 3-foliolate. Terminal leaflet with the margin dentate-serrate with obtuse glandular teeth .............................................. S. perulacea var. perulacea

1´. Vegetative organs glabrous or whitish puberulous; leaflets subchartaceous. Leaf blade imparipinnate 3-jugate, the lower jugae 3-5- foliolate or 2-jugate, 3–5-foliolate. Terminal leaflet with the margin dentate-serrate with acute glandular teeth or inciso-dentate.

2. Terminal leaflets 2.2–12 × 0.4–7.0 cm, narrowly ovate, apex acute, margin dentate-serrate with acute glandular teeth.................... ............................................................................................................................................................ S. perulacea var. krapovickasii

2´. Terminal leaflets 1.8–4.7 × 0.4–3.9 cm, ovate or widely ovate or obovate, apex retuse, margin inciso-dentate with obtuse glandular teeth ........................................................................................................................................................ S. perulacea var. chacoensis