Sedum
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TERNATUM  Michaux, 1803

Synonyms :

Anacampseros ternata  (Michaux) Haworth (1812) / Clausenellia ternata  (Michaux) A.Löve & D.Löve (1985)

Sedum americanum  Banks in sched.

Sedum portulacoides  Willdenow (1809)

Sedum deficiens Donn  (1811)

Sedum octogonum  Haworth (1812)

Sedum ternatum var. minus  Praeger (1921)

 

Distribution : Eastern USA (Appalachian Highlands, adjacent Ohio, Arkansas, Missouri, Iowa); deciduous forests, 50 - 1700 m.

 

 

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

 

Perennial herbs with decumbent finely papillose stems.

 

Leaves in whorls of 3 (-4), sometimes decussate, obovate, obovate-spatulate to elliptic, rounded, sometimes emarginate, finely papillose or crenulate, flat (4 - 30x wider than thick), truncately short-spurred, 10 - 17 x 7 - 11 mm, shortly petiolate or sessile, pale yellow-green to dark green.

 

Flowering branches erect, 4 - 20 cm.

 

Inflorescences cymes with 3 sometimes papillose branches, pedicels papillose.

 

FIowers 4- (to 6-)merous, sessile or subsessile, sepals broadly sessile, basally connate, lanceolate-oblong or elliptic, obtuse, finely papillose, pale yellow-green, ± 3.5 x 1 mm, petals free, elliptic-lanceolate, acute, ventrally channelled, dorsally carinate, white, 5.4 - 8.9 mm, filaments white, basally flattened, anthers red or purple.

 

Cytology : 2n = 16, 24, 32, 48

Note

Sedum ternatum 'Rolling Rock' according to the originator is not a hybrid, the cross he tried has not taken.



Photo Noelene Tomlinson



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