Crocus chrysanthus (Herb.) Herb.

Leaves narrow, emerging with flowers. Perianth bowl-shaped, 5 cm wide, cream to orange-yellow; segments 1.7-3.5 cm long, oblanceolate, obtuse; early spring. Anthers yellow. Style branches 3, orange.

Balkans, Greece, Turkey.

C. flavus Weston from SE Europe and W Turkey has leaves 2.5- 4 mm wide, emerging with flowers. Perianth cup-shaped, pure yellow; segments ovate, obtuse, 3-4 cm long; tube 6-12 cm, yellow; late winter. Anthers yellow. Style branches 3, yellow, fringed at tips. Syn. C. aureus Sibthorp & Smith.

Source: Cooke, D. (2005). Iridaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Lilianae
order      Asparagales
family       Iridaceae
genus        Crocus L.