Sedum
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RHODOCARPUM  Rose, 1911

Subgenus Sedum

Distribution : Mexico (Tamaulipas, Nuevo León : Sierra Madre Oriental);  ± 3000 m.

 

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

Slender glabrous perennial herbs with creeping rootstock.

Sterile stems ± 2 cm long, with the leaves crowded at the tips.

Leaves in whorls of 3, alternate in the upper part, spatulate-obovate to nearly orbicular, or oblanceolate below the inflorescence, rounded to obtuse, slightly emarginate, shortly spurred, thin, 5 - 30 mm.

Flowering branches ascending, simple, weak, triangular with winged angles, 10 - 20 cm.

Inflorescences short, few-flowered, bracts oblanceolate, obtuse, ± 3.5 mm, pedicels 2 - 10 mm.

Flowers 5-merous, sepals broadly sessile, not or very shortly spurred, unequal, broadly linear to oblanceolate, somewhat cucullate, obtuse, 4 - 5 mm, petals basally connate, broadly ovate, obtuse, shortly mucronate, erose in the upper part, greenish flushed with red, ± 5 mm, anthers reddish or purple.

Cytology : 2n = 68, 124, 128

 

S.edwardsii is closely related.

 




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