Crocus biflorus Miller

Scotch Crocus

Leaves 1-2 mm wide, emerging before flowers. Perianth goblet-shaped, white to lilac, often purple-striped or -veined externally, throat hairy, white or yellow; segments 2-3 cm long; late winter.Anthers orange. Style branches 3, expanded at tips, orange.

C Mediterranean to Iran.

C. etruscus Parlatore from W Italy has leaves 2-6 mm wide, emerging with flowers, 2-6 mm wide. Perianth pale violet inside, cream to silvery-veined with violet outside, pale yellow centre; segments obovate, obtuse, 3-4 cm long; early spring. Anthers yellow. Style branches 3, orange, expanded at tips. [C. balansae hort. non Mathew] 'Zwanenburg' is a selection with pale violet flowers.

C. imperati Tenore from SW Italy has leaves 1-3 mm wide, emerging with or after flowers. Perianth bowl-shaped, to 7 cm wide, mauve- to white- veined purple; segments ovate, 3-5 cm long, the outer acute, cream-striped or feathered purple on reverse; inner obtuse, rose-purple; spring. Anthers yellow. Style branches 3, deep orange or red, fringed, shorter than stamens.

C. sieberi Gay from Greece has leaves 1-6 mm wide, emerging before flowers. Perianth bowl-shaped, white to mauve with yellow centre; segments 2-4 cm long, obtuse; tube 4-10 cm long, white to mauve; late winter. Anthers yellow. Style branches 3, yellow to red, frilled at the tips. 'Albus' Flowers pure white flowers. 'Violet Queen' Flowers pale violet with orange centre.

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.

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