Echeveria
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HUMILIS   J.N. Rose, 1903

Series Urbiniae

 

Type : Parry & Palmer 233. Collected 1878 in the region of San Luis Potosí, 22°N, 6000 - 8000 ft. US 48363.

 

Etymology : Latin adjective meaning low-growing. 

           

Distribution : Mexico (Hidalgo, Querétaro, San Luis Potosi).

 

 

First Description by Rose in Bulletin of the New York Botanical Garden 3:8. 1903.

 

Acaulescent or with a short woody caudex, glabrous throughout.

 

Basal leaves in a dense rosette, thickish, lanceolate, acute, 5 - 6 cm long.

 

Flowering stems about 10 cm long, rather weak, leafy below, inflorescence a few-flowered secund raceme, sometimes paniculately branched, pedicels 2 - 3 mm long, bractless.

 

Flowers : Sepals lanceolate, very unequal, the longer 4 - 5 mm long, acute, corolla 8 - 9 mm long, its segments united for about one fourth  their length.

 

Cytology : n = 32

 

Note :

 

1. Walther's description of E. humilis is made from imported plants without origin, that means it is unusable (Echeveria, 210-211, 1972).

2. A clone of E. humilis with somewhat narrower leaves - presumably identified by Rose -  has been described by Walther as E. angustifolia - of course an entirely superfluous description.

 





Photos Mateo Lichtenstein






Photos Werner Krell




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