Mimosa arturoana, M. Morales & Fortunato. A, 2013

Morales, Matias & Fortunato, Renee H., 2013, A new species of Mimosa (Mimosoideae, Leguminosae) from the inter-Andean dry valleys, Phytotaxa 114 (1), pp. 33-41 : 40

Key to identify M. arturoana and its allied species from subser. Lactifluae

1. Leaflets of longer pinnae 6–16-jugate, and the distal larger ones 2–15 × 2–6 mm ..................................... M. incarum

-. Leaflets of longer pinnae up to 6-jugate, and the distal larger ones 12–36 × 6–18 mm ............................................... 2

2. Pods uniformly antrorsely strigose ................................................................................................................. M. deamii

-. Pods hispid or only setulose in the replum, and glabrous or puberulent in the valves................................................. 3

3. Stems unarmed and subglabrous. Leaflets glabrous or almost, with secondary venation brochidodrome. Valves of pods glabrous. Stipules strongly 3–5-nerved, glabrous dorsally ................................................................ M. lamolina

-. Stems armed, hispid and puberulent, with slender hairs and scaberulous or plumose setae, especially at apex. Leaflets densely hispid and puberulent, with secondary venation eucamptodrome. Valves of pods puberulent. Stipules weekly 1–3-nerved, densely puberulent dorsally....................................................................................... M. arturoana