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CHIHUAHUAENSIS  von Poellnitz, 1935  (engl./ fr.)

Series Urbiniae

Type : R. Endlich 1232, in the Rio Colorado valley, Chihuahua, Mexico, on stony soil, 2300 m, 16. 4. 1906.

Etymology : Referring to the type locality in the Mexican state Chihuahua.

Distribution : Mexico (Sonora, Chihuahua, Durango).



First Description by von Poellnitz in Fedde's Repertorium Specierum Novarum Regni Vegetabilis,  38: 29. 1935:

Glabrous, stemless.

Leaves numerous, densely rosulate, obovate-spatulate, acuminate, mucronate, margins reddish, when dry not or only slightly glaucous, to 4 cm long, 2 cm broad.


Flowering stems to 20 cm long or more, bracts few, oblong-linear or broadly linear, acute, to 13 mm long.

Inflorescence cymose, few-branched (ca 3 - 5), branches short, few-flowered, pedicels stout, 4 - 6 mm long, bracteoles mostly or always longer than pedicels.


Calyx tube very short, sepals ovate, acute, unequal, ascending, to 4 mm long, corolla when dried reddish and apex as well as petal margins yellow, ca 11 mm long, corolla tube 3 mm long, petals lanceolate, apex recurved, episepalous stamens inserted at apex of the corolla tube, 4 mm long, epipetalous ca 4 mm from the corolla base attached, 3 mm long, anthers narrowly oblong, (1-) 1.5 mm long, carpels at base a little connected, erect, 4 mm long, styles subulate, erect, 3 mm long.

Cytology : n = 26, 50.

Link to a short description in English and French.

Note :

1. Some clones of E. chihuahuaensis are offsetting freely, others do not produce offsets.

2. The ISI 642 offering E. chihuahuaensis 'Ruby Blush' differs from the type in having more numerous, smaller, redder leaves arranged in a more compact rosette .

In habitat, Creel, Chihuahua:

Photos Mieke Geuens

In cultivation :

Photos Bernie DeChant

Photos Margrit Bischofberger

Photos Mateo Lichtenstein

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