Sempervivum Sempervivum, Velen.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 355

publication ID

https://doi.org/10.5281/zenodo.302862

persistent identifier

https://treatment.plazi.org/id/1213417E-FE93-FE91-CF86-FE0449CFCD30

treatment provided by

Plazi

scientific name

Sempervivum Sempervivum
status

 

16. S. erythraeum Velen. View in CoL , FI. Bulg. suppl., I l l (1898).

Stolons short, giving compact tufts of open rosettes 2-4- 5 cm in diameter. Leaves 10-20 x 5-10 mm, obovate-spathulate, apiculate, densely pubescent with short, velvety hairs, unequally cibate, tinged with greyish-purple. Flowering stem 15-20 cm, purple; cauline leaves 30-35 x 15 mm; inflorescence rather broad. Flowers 11 - to 13-merous; sepals acuminate, hairy, reddish; petals 10x 1 mm, deep reddish-purple; filaments hairy at the base. 1000-2500 m. 2« = 34. • Mountains of Bulgaria. Bu.

S. balcanicum Stoj. , Bull. Inst. Bot. (Sofia) 2: 263 (1951), from C. Bulgaria, appears to differ principally in its pale lilac petals and more or less glabrous leaves. It is not clear from the information available whether it should be considered a distinct species or a variant of 16, 18 or 19.

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