Crocus vernus

Crocus vernus (spring crocus, giant crocus) is a species in Family Iridaceae, native to the Alps, the Pyrenees, and the Balkans. Its cultivars and those of Crocus flavus (Dutch crocus) are used as ornamental plants. The Dutch crocuses are larger than the other cultivated crocus species (e.g., Crocus chrysanthus). Depending on the year, Crocus vernus starts flowering about the same time or up to 2 weeks after Crocus chrysanthus (snow crocus) starts flowering. Height: 4–6" (10–15 cm).

Crocus vernus
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Monocots
Order:
Asparagales
Family:
Iridaceae
Subfamily:
Crocoideae
Genus:
Crocus
Species:
C. vernus
Binomial name
Crocus vernus

Taxonomy

The Latin specific epithet vernus refers to both 'vernal' (spring) and 'crocus'.[1]

Habitat

Within Britain, it can be found in grasslands, including churchyards and roadside verges.[1]

Cultivars

Examples: ‘Flower Record’ (Blue), 'Grand Maitre' (blue), ‘Jeanne d’Arc’ (Glistening white with an interior, dark purple base), ‘Pickwick’ (violet mauve, striped), ‘Purpurea Grandiflora’ (deep purple), ‘Queen of Blues’ (Ageratum-blue with paler margins and a dark base), ‘Remembrance’ (dark blue and purple), 'Silver Coral' (White, purple base), ‘Vanguard’ (silvery blue/violet, light purple)

Synonyms

Several other spring blooming species, among others Crocus flavus Weston (Syn. Crocus aureus), have been called 'Crocus vernus' by other authors.[2]

References
  1. Dr. Peter Jarvis The Pelagic Dictionary of Natural History of the British Isles (2020), p. 686, at Google Books
  2. Crocus vernus synonymy - Flora Europaea
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