Sedum
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TORTUOSUM   Hemsley, 1878

Synonyms :

Sedum nelsonii  Rose (1903)

Sedum lignicaule  Fröderström (1936)

 

Distribution : Mexico (Sierra Madre del Sur), epiphytic, mostly on oaks, ± 2500 m.

 

 

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

 

Perennial subshrubs with ascending finely papillose stems.

 

Leaves alternate, oblanceolate or elliptic-spatulate, obtuse, rarely slightly emarginate, minutely spurred, finely papillose at the tip, mostly deciduous, green, 9 - 41 x 4 - 11 mm.

 

Inflorescences : flowering branches tortuous, ± 20 cm, inflorescences compound dichasial cymes, pedicels 2,4 - 4,8 mm, papillose.

 

FIowers 5-merous, sepals minutely spurred, very unequal, oblong, oblong-elliptic, lanceolate or ovate, obtuse or acute, green, 1,7 - 7,7 x 0,8 - 2,4 mm, spreading, petals basally slightly connate, lanceolate, acute, mucronate, carinate, white with green dorsal keel, ± 7 mm, spreading, anthers yellow, sometimes red.

 

Cytology : 2n = 30, 32


In habitat - Ayutla, Oaxaca :



In cultivation :






Photos Ralf Mangelsdorff






Photos Ray Stephenson



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