Polygala, AND THEIR ALLIES

Bar, Jose Floriano, Mota, Michelle, Amano, Erika & Martinez, Agustina, 2021, Disentangling Polygala obovata Complex (Polygalaceae), with a Description of Three New Species for Brazil, Systematic Botany (Basel, Switzerland) 46 (4), pp. 985-997 : 997

KEY TO THE THREE NEW SPECIES OF POLYGALA AND THEIR ALLIES

1. Lateral petal lanceolate, crest longer than the hood ( Brazil: Rio Grande do Sul, Paraguay, Uruguay, Argentina)............................. P. obovata

1. Lateral petal elliptic, crest shorter (or slightly shorter) than the hood ( Brazil: S ~ ao Paulo, Minas Gerais, Bahia)....................................... 2

2. Flowers 4.5–5.5 mm, keel 2.9–3.9 mm ................................................................................................... 3 3. Leaf blades elliptic, all stems decumbent................................................................................ P. capitolensis 3. Leaf blades oblanceolate, central stems erect, lateral partially prostate...................................................... P. paganuccii

2. Flowers 3.6–4.0 mm, keel 2.1–2.4 mm ................................................................................................... 4 4. Leaf blades oval, lateral petal ovate, veins branched until secondaries, apex acute............................................. P. multiceps 4. Leaf blades elliptic, lateral petal sub-oblong, veins branched until tertiaries, apex rounded...................................... P. jardimii