Sedum

SUBTILE Miquel, 1866

Distribution :

China, Japan, Korea, Vietnam ; shady moist rocks on low mountains, to 1500 m.

 

 

Description (according to IHSP, 2003) :

 

Perennial herbs with rather slender shortly creeping stems 4 - 10 cm long.

 

Leaves opposite or rarely in whorls of 3 - 5, laxly arranged but subrosulate at the branches tips, obovate, rounded to obtuse, narrowed towards the petiole-like base, 5 - 15 (-20) x (1-) 3 - 5 mm.

 

Inflorescences : Flowering branches with alternate (rarely opposite) leaves, inflorescences laxly flowered cymes with 2- 3 sometimes forked cincinni, bracts linear.

 

FIowers 5-merous, sepals basally free, spurred, narrowly lanceolate to broadly linear, obtuse, 4 - 5 mm, petals lanceolate, thin, yellow, ± 5 mm.

 

Cytology : 2n = 56, 56 - 58, 58 - 60

 

Fröderström (1931: 87, 94) included S. subtile partly in S. alfredii, partly in S. lineare.

 

See also "Sedum subtile & S. zentaro-tashiroi" by Ray Stephenson

 

2 subspecies :

Sedum subtile ssp. chinense H. Ohba (1986)

Sedum subtile ssp. subtile

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