Picea jezoensis subsp. jezoensis as described 1855 by Philipp Franz von Siebold (1796-1866) and Joseph Gerhard Zuccarini (1790-1848) in Traité Général des Conifères, by Elie-Abel Carrière (1818-1896), is the typical species of Yezo spruce which is fully described at this link.
Synonyms include Picea ajanensis and Picea kamtchatktensis.
This subspecies of Yezo Spruce is native to Japan - Hokkaido, north Hoshu and the Russian far east. The new shoots become orange-yellow or yellowish brown. The needles are 0.06 to 0.08 inch (1.5 - 2mm) wide and slightly flattened. The seed cones are up to 3.5 inches long 1.25 inches wide with obovate-oblong scales.
