Prometheum

PILOSUM (M. von Bieberstein) H.Ohba, 1978

Synonyms :

 

Sedum pilosum  M. von Bieberstein (1808 )/ Rosularia pilosa  (M. von Bieberstein) Borissova (1939) / Pseudorosularia pilosa  (M. von Bieberstein) Gurgenidze (1978)

Cotyledon pubescens  C.A.Meyer (1831) / Umbilicus pubescens  (C.A.Meyer) Ledebour (1843)

Sedum regelii  hort. ex Borissova (1939)

 

Distribution : Turkey (North-eastern Anatolia), Georgia, Armenia, Caucasus, northern Iran; on rocks, in crevices, 1000 - 2400 m.

 

 

Description (according to IHSP, 2003) :

 

Small glandular-pilose biennials with slender roots.

 

Rosettes smaIl, to 2 cm in diameter, globose.

 

Leaves ovate-oblong to oblong-spatulate or ovate-spatulate, flat, fleshy, obtuse, 7 - 10 x 3 - 5 mm, bright green.

 

Inflorescences terminal, usually simple, 5 - 10 cm, umbellate-corymbiform or semiglobose corymbs with 6 – 18 flowers, pedicels 4 - 6 mm.

 

Flowers : Sepals basally slightly connate, Iinear-lanceolate, acuminate, 3.5 - 5 x 1 - 1.5 mm, erect, green, petals 6 - 8 mm, basally connate, pinkish, pink-violet or whitish, lobes oblong-ovate, subacute, recurved, 1 - 1.5mm wide.

 

Cytology : 2n = 12

 

The rosettes are solitary in nature, but cultivated plants often branch to produce dense clumps.




Photos Ray Stephenson



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