Sempervivum

KOSANINII

First described in Bull. Inst. Bot. Univ. Belgrade 1; 210 (1930).This species was first described by Praeger from a specimen collected by Prof. N. Kosanin in 1925 from Mount Osljak (Scardus), above Prizren in S.W. Yugoslavia and growing on Triassic limestone. A lovely species with rosettes 4 to 8 cm in diameter, open, dense and flattish with leaves oblanceolate, shortly acuminate, glandular-hairy on face and back, cilia about twice as long as the other hairs; colour of rosettes is dark green with a red apex. Offsets are on strong, leafy stems sometimes up to 12 cm long. The flower-stems are stout, clad with linear-lanceolate loosely imbricate leaves; compact inflorescence of many reddish-pink flowers, the petals of which are greenish on the back and have white margins, filaments purple, anthers light red. Quite easy to grow and increases fairly freely.

 

S. kosaninii fr. Koprivnik. A distinct form, much smaller than the type, not more than 3 cm in diameter and with denser rosettes of a lighter green, especially so in spring. Montenegro

 

S. kosaninii fr. Visitor. Rosettes are a little smaller than the type plant, with much less glandular-hair on face and back of leaves and only a smaller amount of purple lipping on rosette leaves. Montenegro.

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