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ANDEGAVENSE  (DC) Desvaux, 1818

Synonyms :

Crassula andegavensis  De Candolle (1815) / Sedum caespitosum var. andegavense  (De Candolle) Rivas Goday & Bellot (1949)

Sedum atratum  Bast. ex Lamarck & De Candolle (1815) (nom. illeg.)

Crassula globulifolia  Moris (1827)

Sedum commutatum  Sprengel ex Steudel (1841).


Distribution : Spain, Portugal, central and southern France, Corsica, Sardinia, northern Africa (Morocco).



Description (according to IHSP 2003) :


Small annual herbs, almost completely glabrous, with erect stems, sometimes branched from the base, to 6 (-10) cm tall.


Leaves alternate, subopposite and densely imbricate on young plants, obovate to (sub-) globose, sessile, rounded, terete, dull, dark green, to 5 mm.


Inflorescences cymes with (1-) 2 (-3) usually few-flowered erect cincinni, bracts oblong, to 2 mm, pedicels 1 - 2 mm.


FIowers 4- or 5-merous with 4 or 5 stamens, sepals broadly sessile, basally connate for 0,5 mm, broadly ovate, rounded or obtuse, 2 - 2,5 mm, petals basally free, ovate-lanceolate, acute or shortly acuminate, white or pinkish, ± 3 mm, filaments white, anthers red or yellowish.


Cytology: 2n = 50.


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

S. andegavense is strictly protected in France.


Sedum andegavense in the schist quarry at Trélazé, Anjou, France :

Photos David Sorin

In C Portugal - note the rogue S. brevifolium seedling :

Plants in cultivation :

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