Sempervivum

BORISSOVAE

Named after the botanist Mme A. Borissova. Found in the Caucasus in 1935 by W.E.Th. Ingwersen; collected from the upper end of the Adyl Su valley, growing plentifully in large clumps in thin turf between rocks. Dr. R.S. Wale made a ful Latin description that is published in the Bull. Alp. Gard. Soc. Vol. 10 page 95 (1942). Rosettes are rather flat, semi-open and about 3 cm in diameter; leaves strongly ciliate, otherwise glabrous A nice feature on this species is the strongly coloured rosettes, red-brown in the upper half and green at the base. Attractive flowers with rose-red petals which are distinctive, having slightly irregular serrated edges. At certain seasons of the year this species resembles S. marmoreum var. dinaricum. Easy of culture and increases offsets freely.

 

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