FRAXINUS

Descriptors
Category: COMMENT
  1. Omernik Level III Ecoregion (Omernik Level III Ecoregion) Listing of Omernik Level III Ecoregion where germplasm was obtained.
Category: CYTOLOGIC
  1. Ploidy Level (Ploidy Level) Ploidy level determined via flow cytometry through the Woody Landscape Plant Germplasm Repository (Richard Olsen).
Category: MORPHOLOGY
  1. Seed Length (Seed Length) Length of seed in milimeters, including samara.
  2. Seed Width (Seed Width) Width of seed in milimeters, including samara.
Category: PHENOLOGY
  1. First Flowering (First Flowering) Date of first flowering under cultivation at the North Central Regional Plant Introduction Station (Ames, IA).
  2. Peak Flowering (Peak Flowering) Date of peak flowering under cultivation at the North Central Regional Plant Introduction Station (Ames, IA).
Category: STRESS
  1. USDA Cold Hardiness Zone (USDA Cold Hardiness Zone) USDA Cold Hardiness Zone from which original, wild collected germplasm was obtained. USDA Plant Hardiness Zone Map, 2012. Agricultural Research Service, U.S. Department of Agriculture.