Sedum

REPTANS  R.T.Clausen, 1978

Synonym : Sedum reptans ssp. carinatifolium R.T.Clausen (1981)

Type : Clausen 772.036, Cerro de Ajugon, SLP, Mexico, 1977. 

Distribution : Mexico (E San Luis Potosí to Querétaro); forming mats on tops of boulders (limestone) in oak and pine forest, at times also epiphytic, 1700 - 2250 m.

 

 

Description (by 't Hart & Bleij in IHSP, 2003) :

 

Glabrous perennial herbs with many adventitious roots and creeping terete stems, youngest parts noticeably papillate.

 

Leaves alternate, elliptic-lanceolate, obtuse, subterete, 6.5 - 8.5 x 1.5 - 2.5 mm, spreading; flowering branches erect, stout.

 

Inflorescences few-flowered cymes, bracts lanceolate, obtuse.

 

Flowers : Sepals broadly sessile, connate, lanceolate, obtuse, slightly papillose at the tip, ± 2.5 mm, petals lanceolate, narrowly mucronate, pale yellow, 6 - 8 mm, spreading.

 

Cytology : 2n = 68, 120, 144, 164 ± 2

 

Similar to S. tamaulipense and belonging to the S. parvum group.

See also : Sedum reptans and three related taxa from central Mexico 

 

In habitat in San Luis Potosí :

Photo Gerhard Köhres

In cultivation :

Sedum reptans at HBG

Photos Michael Wisnev

Photo Ray Stephenson

Photo Stefan Neuwirth

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