PRINGLEI Rose, 1903

Synonyms :

Altamiranoa pringlei  (Rose) E.Walther (1938)

Cotyledon neopringlei  Fedde (1904)

Distribution : Mexico (Chihuahua, Durango); mountain regions, 2000 - 2700 m.

Description (according to IHSP, 2003) :

Herbs.

Roots fusiformly thickened.

Stems short-lived, deciduous to almost the short woody-persistent base, basally few-branched, 5 - 30 cm, green.

Leaves narrowly linear, acute to obtuse, upper face flat, lower face convex, spurred, 10 - 25 mm, glaucous.

Inflorescences dense spikes or thyrses, 2 - 13 cm, with 8 - 35 branches with up to 6 flowers each (mostly fewer), pedicels absent or short (to 1.5 mm).

Flowers : Corolla cup-shaped, sepals almost spreading to erect-spreading, acute to obtuse, somewhat unequal, the longer to 5 mm, petals dorsally keeled, ± 6 mm, white, tips spreading to recurved, acute, subapically somewhat aristate.

Cytology : n = 16

A little-known species.