Silene caliacrae (D.Jord. et P.Pan., 1966)
Common names: Bulg: Kaliakrensko plyuskaviche; Russ: Smolyovka.
Order (Scientific): CARYOPHYLLALES.
Family (Scientific): CARYOPHYLLACEAE.
Taxonomic descriptions: Upright, naked stem, 20-55 cm tall. The lower leaves are oval, spade-shaped. The inflorescence is usually fork-like branched at the base. The receptacle is oval during blooming and after that - bubble-like swollen. The corolla is white or lightly pink.
World level: CE
Black Sea Regional level: CE
Subregion level: CE (Bulgarian endemic)
Habitats type, Critical habitats, Limiting factors: Lime-stone rocky places by the sea.
Biology: Annual or biennial herbaceous plant. Blooms in May-June, propagates June-July. Reproduces through seeds.
Population trends: Declining.
Threats: Trampling, resort construction and flower picking.
Conservation measures taken: One of its sites is in the Kaliakra reserve.
Conservation measures proposed: Identification and declaring protected the site at Rezovska River.
Compiled by: M.Filipova.