Tulipa biflora, Pallas

6. T. biflora Pallas View in CoL , Reise 3: 727 (1776)

( T. callieri Haläcsy & Levier , T. koktebelica Junge ).

Bulb 10-35 x 8-23 mm; tunics papery, sericeous-lanate inside particularly towards the apex. Stem 5-18(-20)cm. Leaves 2, up to 19 x 2(-2*5) cm, linearlanceolate to linear, slightly canaliculate, glabrous. Flowers 1—3(—4); perianth white, tinged on the outside with green and pale crimson, and with yellow at the base inside; outer segments 10-20 x 3-5*5 mm, elliptical, acute, the inner 9-20 x 4-8*5 mm, broadly elliptical, subacute. Filaments 6-7 mm; anthers 2-2*5 mm. Capsule 10-16 x 10-15 mm, glabrous. 2« = 24. S.E. Russia, W. Kazakhstan; Krym; S. Jugoslavia (Makedonija). Ju Rs (K, E).

The plants from Jugoslavia, described as T. mariannae Lindt. , Bull. Soc. Sci. Skoplje (Sci. Nat.) 20: 137 (1939), appear to be indistinguishable from typical T. biflora from S.E. Russia.