A Checklist of the Vascular Plants of Washington State
Hosted by the University of Washington Herbarium, Burke Museum
Hosted by the University of Washington Herbarium, Burke Museum
Last updated 12/28/2020 by David Giblin.
Spiraea ×hitchcockii W.J. Hess & Stoynoff[HC2]
Hitchcock's spiraea
Publication: Sida 18(3): 827-830, f. 1. 1999.
Origin: Native
selected vouchers: WTU
Notes: Jepson Manual, 2nd Edition: "[According to the protologue (Sida 18: 827. 1999), Spiraea ×hitchcockii W. J. Hess & Stoynoff is a sterile (low pollen stainability; chromosomes mostly univalents), triploid (n = 27) hybrid between Spiraea douglasii Hook. var. menziesii (Hook.) C. Presl (a tetraploid, n = 18) and Spiraea splendens E. N. Baumann var. rosea (A. Gray) Kartesz & Gandhi (a diploid, n = 9)..."
References:
» Sida 18(3): 827-830. 1999.
Synonyms & Misapplied Names:
(none)
