LUTEA   Rose, 1911

Synonym : Echeveria lutea var. fuscata  E.Walther (1972)

Series Angulatae 

Type : C.A.Purpus 800, collected at San Rafael (or Minas de San Rafael), San Luis Potosí, Mexico, Nov. 1910 (US 619743).

Etymology : Lat. ‘luteus’ = yellow : For the flower colour.  

Distribution : Mexico (San Luis Potosí)

First Description by Rose in Journal of the Washington Academy of Sciences 1: 268. 1911 : 

     Basal leaves numerous, ascending, thickish, 8 to 10 cm. long, light green, glabrous with upturned margins forming a deep trough, acuminate with mucronate tip, the apical portion upturned like a horn.

Flower­ing stem 20 to 30 cm. long; leaves 4 to 5 cm. long, linear, semiterete, stiff, flattened on the upper surface, pointed, with a toothed free margin at base.

Inflorescence a secund raceme, at first strongly reflexed but at the flowers often becoming erect.

Flowers 20 or more, often subsessile; sepals 5, distinct, very unequal, the longest 2 cm. long, free and toothed at base, linear, pointed, ascending; flower bud strongly 5-angled and pointed; corolla lemon yellow, 15 mm. long, the lobes distinct for about two-thirds their length but not spreading except a little at the tip.

Cytology : n = 12.