Echeveria

LUTEA   Rose, 1911

Synonym : Echeveria lutea var. fuscata  E.Walther (1972) - see Note below

 

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.

 

 

Note

 

Walther's description of the var. fuscata is a renaming of the plant Reid Moran had collected in the Sierra de Alvarez in San Luis Potosí (M 1338) which had somewhat more brownish leaves but was identified by Moran as E. lutea.His publication is of no relevance whatsoever.

 

Plants in habitat :

Photos Gerhard Köhres

Plants in cultivation :

Photos Ed Dunin-Wasowicz
Photo Silvia Choquehuanca Vargas
Photos Rudolf Zacher
Photos Mateo Lichtenstein

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