Sedum
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NANIFOLIUM Fröderström, 1936

Synonym : Sedum parvum ssp. nanifolium  (Fröderström) R. T. Clausen (1978)

 

Distribution : USA (Texas: Brewster County), Mexico (Eastern Chihuahua, Coahuila, central Nuevo León) ; limestone gravel in various vegetations, (1200-) 1600 - 2300 (-2700) m.

 

 

Description (according to IHSP, 2003) :

 

Perennial herbs, stems procumbent and later erect, slender and long, branched, to 20 cm, smooth, lower parts prominently reddish-shiny.

 

Leaves densely set, alternate, orbicular to broadly obovate, thick, semiterete, 2,5 - 3,5 (-5) x 2 - 2,5 mm, green with prominent red dots.

 

Inflorescences : Flowering branches erect, elongate, inflorescences subscorpioid cymes, bracts oblong, obtuse, broadly spurred, ± 3 mm.

 

FIowers 5-merous, sessile, sepals basally free, long spurred, unequal, subovate, obtuse, thick, 2 - 2,5 mm, suberect, petals basally free, lanceolate, subobtuse, narrowly mucronate, yellow with prominent short red longitudinal stripes, 4,5 - 5  mm

 

Cytology:   2n = 52, 53, 104.

 

Another member of the S. parvum group.

 




Photos Ray Stephenson



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