Sedum

CANDOLLEI Hamet, 1929

Synonyms :

Cotyledon sedoides De Candolle (1808) / Umbilicus sedoides  (De Candolle) De Candolle (1828) / Sedum sedoides  (De Candolle) Rothmaler (1935)  / Mucizonia sedoides  (De Candolle) D. A. Webb (1961)

Cotyledon sediformis  Lapeyrouse (1813)

Umbilicus sessilis  Dulac (1867)

Cotyledon ramosissima  Rothmaler (1934)

Sedum sedoides ssp. ramosissimum  Rothmaler (1935)

Sedum candolleanum  Hamet ex G. López ( 1995).

 

Distribution : South-western Europe (France [Pyrénées], Spain, Portugal); on silicate, 1500 - 3000 m.

 

 

Description (according to IHSP 2003) :

 

Glabrous small perennial or biennial herbs forming small mats or tufts of much-branched non-flowering shoots.

 

Leaves alternate, densely imbricate, sessile, oblong, 2,5 - 5 x 1 - 1,5 mm, obtuse, dark green but more often bright red.

 

Inflorescences : Flowering branches ascending or erect, usually simple, densely leafy, to 7 cm tall, inflorescences dense few-flowered corymbose cymes.

 

FIowers 5-merous, sessile or subsessile, sepals broadly sessile, basally connate, lanceolate, 2,5 - 4 mm, acute, petals basally connate for 2 - 2,5 mm, oblong-ovale, 5 - 7 mm, acute or acuminate, pinkish-white to pink or purple, filaments white to purple, anthers red.

 

Cytology: 2n = 22, 33.

 

Closely related to S. andegavense and S. pedicellatum ('t Hart & al. 1999). The 3 species form a comparium and have been classified in Ser. Pedicellata 't Hart.

 

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