Sedum
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CAESPITOSUM  (Cavanilles) DC, 1928

Synonyms :

Crassula caespitosa  Cavanilles (1791) / Sedum rubens ssp. caespitosum (Cavanilles) Bonnier & Layens (s.a.) / Aithales caespitosa  (Cavanilles) Webb (1849)

Tillaea rubra  L. (1753)  / Sedum rubrum  (L.) Thellung (1912)

Crassula magnolii  DC (1808) / Procrassula magnolii  (DC) Grisebach (1843)

Sedum deserti-hungarici  Simonkai (1890)

Sedum rubrum var. louisii  J.Thiébaut & Gombault (1934) / Sedum louisii  ( J.Thiébaut & Gombault) Fröderström (1936)

 

Distribution : South-western, southern and south-eastern Europe (Portugal to Ukraine, Balkans), N Africa, W Turkey, N Syria, Iran; temporarily wet places, from sea-level to over 1000 m.

 

 

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

 

Small, almost completely glabrous annual herbs with erect or ascending, sometimes branched stems, 2 – 6 (-9) cm tall.

 

Leaves alternate, ovate or broadly elliptic to obovate, sessile with a very small spur, obtuse, terete or semiterete, 2,5 – 5 mm.

 

Inflorescences few-flowered cymes with 1 – 3 cincinni, sometimes 1–flowered, bracts 1 or 2 per flower, leaf-like, 3 – 4 mm, pedicels short.

 

Flowers 4- or 5-merous, with 4 or 5 stamens, sepals broadly sessile, basally slightly connate, triangular, acute, ± 1 mm, petals free, narrowly elliptic to lanceolate, acuminate, white with a green or red keel, sometimes reddish, 2,5 – 4 mm, filaments white, anthers red or yellowish.

Cytology : 2n = 12, 24.

 

Winter-growing annual, almost always spent by Easter time. Reported from near Syrian border to Portugal.

 

N Greece :




A bigger form from the Marseilles area :



In Spain :



In Macedonia :


Photos Ray Stephenson


Spent inflorescences of S. caespitosum and rosettes of - most likely - S. rubens near Manavgat, Turkey.
Photo Thomas Berndt



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