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LUMHOLTZII   B.L.Rob. & Fernald, 1894

Distribution : Mexico (Sonora & Sinaloa).


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

Perennial  ± tufted herbs with rather stout rootstock and elongate slender sterile stems, densely leafy in the upper part.

Leaves alternate, obovate to oblanceolate, shortly apiculate or (sub-) acute, shortly spurred, papillose, 6 - 14 mm.

Flowering branches erect or recurved, slender, granular-pubescent above, glabrous  below, 4 - 15 cm long.

Inflorescences lax many-flowered corymbs,  bracts leaf-like, pedicels 2 - 6 mm.

Flowers 5-merous, sepals broadly sessile, basally connate, slightly unequal, broadly linear to oblong, subobtuse, pubescent, ± 3 mm, suberect, petals  basally slightly connate, oblong, subacute, narrowly mucronate, slightly narrowed at the base, pubescent along the midrib, white, ± 5 mm, suberect.

Cytology : 2n =38

Close to Sedum semiteres and successfully hybridized with S. alamosanum (Uhl 1985).

Photos Helmut Regnat

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