Nolina brandegeei, Hernández-Sandoval & Rebman, 2018

Hernández-Sandoval, Luis & Rebman, Jon P., 2018, The Genus Nolina (Asparagaceae) of the Baja California Peninsula, and the Recognition of a New Species Combination, Systematic Botany (Basel, Switzerland) 43 (3), pp. 717-733 : 718

KEY TO THE SPECIES Of NOLINA ON THE BAJA CALIfORNIA PENINSULA

1. Plants acaulescent, stems subterranean, horizontal or vertical, then short and almost aerial............................................. 2.

2. Stems horizontal, subterranean, leaves glaucous, flat, coiled, apex erect, inflorescence branches loose and lax, seeds not protruding from the fruit lobe........................................................................................................ Nolina interrata .

2. Stems vertical, leaves green, concave in cross section, erect, apex coiled, inflorescence branches dense and stiff, seeds protruding from the fruit lobe.............................................................................................................. Nolina palmeri .

1. Plants caulescent, stems typically more than 1 m tall, shrubby or arborescent......................................................... 3.

3. Plants shrubby, leaf margins fibrose, seeds reticulate, grayish to light brown........................................... Nolina bigelovii .

3. Plants arborescent, leaf margins denticulate, seeds microreticulate, brown......................................................... 4.

4. Leaf narrowing or with a constriction above the base, apex entire, leaf margins with simple teeth, fruits 0.9 cm long, 1.4–1.5 cm wide, seeds not exposed at maturity....................................................................................... Nolina beldingii .

4. Leaf not narrowing or without constriction above the base, apex shredded, leaf margins with branched, forked or multiple teeth, fruits 0.6 cm long, 1 cm wide, seeds exposed at maturity......................................................... Nolina brandegeei comb. nov.