'Alpha Gnu' is a Spec-X iris cultivar hybridized by Kasperek and registered in 1998. "Spec-X" denotes an experimental or species-cross category, often involving wide crosses between different iris species or sections, resulting in unique, sometimes fertile hybrids that expand the genetic palette.




Kasperek's Spec-X work explores the frontiers of iris hybridization. 'Alpha Gnu' (the first gnu?) may represent a primary hybrid between a bearded iris and a non-bearded species, combining traits like heat tolerance, novel flower form, or unusual color in a way that challenges classification.
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Stinking Gladwyn (Iris foetidissima): A Species with Ornamental Seed Pods
Corn Leaf Iris (Iris bucharica): A Bulbous Species with Unique Foliage
Louisiana Iris 'Sinfonietta': Musical Grace in the Garden
Crested Iris 'Nada': Iris cristata Cultivar
Immortality Tall Bearded Iris: A Reblooming White Beauty from 1982
Yellow Flag Iris (Iris pseudacorus): A Water-Loving Native Species
Black Gamecock Louisiana Iris: A Deep Purple Cultivar from 1978
Clarence Tall Bearded Iris: A Soft Blue Rebloomer from 1990
Superstition Tall Bearded Iris: A Dark, Dramatic Cultivar from 1977
Wabash Tall Bearded Iris: A Historic Bicolor from 1936
Caesar's Brother Siberian Iris: A Classic Deep Purple from 1932
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