Echeveria glauca

First Description by Baker as Cotyledon glauca (from a plant received from the nursery of Van Houtte in Belgium) in Saunders Refugium Botanicum 1: nr. 15, pl. 61. 1869 :


Glabrous, not at all or very shortly caulescent, densely stoloniferous from the crown of the root.


The leaves forty to fifty in a very dense rosette, the outer ones almost horizontal, quite two inches long by three-fourths to seven-eighths of an inch broad five-sixths of the way up, the point more or less rounded to a decided mucro, the lower three-quarters cuneately narrowed, both sides extremely glaucous, only the edges of the fading leaves a little tinged with red.


Flowering branches a foot high, slender, terete, pinkish glaucous, with only a few distant small bract-like leaves.


Flowers twelve to twenty in a secund raceme which is finally four to six inches long.


Bracts ovate-oblong, two lines long.


Pedicels, sepals and corolla, just as in C. secunda (= E. secunda).

Note :

1. Baker states that E. secunda, E. glauca and E. pumila "agree in general habit, calyx and corolla".

2. The names "glauca" and "pumila" were applied to plants selected from an enormous number of cultivated plants of E. secunda in European nurseries,  i.e. to plants with no origin in the wild. However a plant selected in cultivation from a multitude of propagated seedlings cannot possibly be classified as a distinct species.

3. The name "glauca" in particular had been in use already before Baker wrote his description for Cotyledon glauca and was probably used for various plants. As these forms of E. secunda, very fashionable for some decades, are lost to cultivation since a very long time, the names in question cannot be used for currently cultivated selections of E. secunda. Neither can they be used for forms of E. secunda found in habitat in Mexico - nursery selections and an origin in the wild are mutually exclusive.

Moreover the name "glauca" has been misused greatly – all E. secunda variants with bluish leaves were liable to get this name, though in fact the description of E. glauca calls for a pruinose = whitish plant ......

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