Sedum

OBLANCEOLATUM  R.T. Clausen, 1975

Subgenus Gormania

Distribution : W USA (Oregon: Klamath Mts.; drainage of the Applegate River); 450 - 1580 m.

 

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

Glabrous perennial herbs with short slender branched rootstocks, with dense clusters of rosettes.

Leaves alternate, oblanceolate-oblong, obtuse to truncate, at times emarginate, pruinose, 7 - 38 x 5 - 9 mm, erect.

Flowering branches ± 8 cm.

Inflorescences dense panicles.

Flowers 5-merous, pedicellate, sepals broadly sessile, basally connate, lanceolate-oblong, acute, papillose, glaucous, ± 5 x 2 mm, erect, petals basally connate, oblong, acute, mucronate, margins erose, creamy-white, ± 9.5 mm, erect, anthers yellow.

Cytology : 2n = 30

See also A review of Sedum section Gormania (Crassulaceae) in western North America, in Phytotaxa 368 (1): 1-61, 2018.

 

Applegate Valley, diorite endemic :

Photos Ray Stephenson

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