Margyricarpus, Ruiz & Pavon, 1794

Funez, Luís A., Hassemer, Gustavo, Peroni, Nivaldo & Drechsler-Santos, Elisandro R., 2021, Two new species of Margyricarpus (Rosaceae, Sanguisorbeae) from high-elevation grasslands in southern Brazil, and other notes on the genus Margyricarpus, Phytotaxa 496 (3), pp. 281-293 : 292

Key to species of Margyricarpus

1. Ovary bicarpellate; endemic to Juan Fernández Islands, Chile......................................................................................... M. digynus

1. Ovary unicarpellate; distribution in continental South America .......................................................................................................2

2. Leaves, stems and hypanthium densely pilose, hypanthium green .................................................................................... M. lanatus

2. Leaves and stems glabrous to glabrescent, hypanthium glabrous, pink or white at maturity ............................................................3

3. Erect plants, fruits to 2.0–2.5 × 1.0– 1.1 mm, absence of thorny projections on the achenes .................................... M. microcarpus

3. Prostrate to suberect plants, fruits 3.8–4.2 × 1–2 mm, presence of thorny projections on the achenes ............................ M. pinnatus