Alpine Yellow-violet.
Viola biflora L.
NOT protected species in Bulgaria.
Viola biflora is a perennial herbaceous plant. Stems 3-20 cm high. Rosette leaves 1-4, broadly reniform (kidney-shaped) to rounded, cordate at the base, obtuse at the apex, 1.5-5.0 cm long, 2.0-5.5 cm wide. Flowers are yellow, obovate to trapezoidal, 12-15 mm high and 10-12 mm wide, odorless. Flowering June-July[1].
In moist, rocky, often overgrown with moss places in the alpine zone[2].
In the mountains Central Stara Planina, Pirin, Rila, Western Rhodopes, from 1700 to 2800 m above sea level[3].
[1] Делипавлов, Д. 1979. Флора на Н. Р. България, том VІІ.
[2] Делипавлов, Д. 1979. Пос. източник.
[3] Делипавлов, Д. 1979. Пос. източник.
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