Hypericum olympicum Form uniflorum D. Jord & Kož.

Stems erect or rarely decumbent to prostrate, not branched below inflorescence. Leaves 8–15(–20) × 5–10 mm, the upper or all broadly elliptic to obovate (l:b = 1.7–3), acute to subacute, with regular to irregular and sparse black intramarginal glands. Flowers 30-60 mm in diam. Petals golden or pale yellow.