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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 :

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


In habitat, Creel, Chihuahua:





Photos Mieke Geuens


In cultivation :






Photos Bernie DeChant





Photos Margrit Bischofberger





Photos Mateo Lichtenstein

E. chihuahuaensis 'Ruby Blush' :



Photo Gerhard Köhres




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