Cryptomeria

Cryptomeria is a genus of evergreen conifers in the cypress family, native to East Asia. Its sole living species, Cryptomeria japonica, is widely planted as the Japanese cedar.

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Cryptomeria japonica: An evergreen conifer native to Japan and China, and the sole living species of Cryptomeria. This species is the living representative that defines the genus today.
Sugi: The Japanese name for Cryptomeria japonica, a major timber and ornamental tree. Sugi is the species’ everyday name in Japan, where it is extensively cultivated.
East Asian forests: Forest ecosystems of East Asia, spanning temperate, subtropical, and montane environments. Cryptomeria is native to East Asia and grows naturally within these regional forest systems.
Sequoia sempervirens: The coast redwood, a tall evergreen conifer native to the Pacific coast of North America. It is another member of Cupressaceae, but belongs to a separate lineage and region.
Japanese forestry: The management and use of forests in Japan, including extensive plantations of Cryptomeria japonica. Cryptomeria became one of Japan’s principal plantation trees for timber production.
Cupressaceae: The cypress family, a diverse group of conifers that includes junipers, redwoods, and Cryptomeria. Cryptomeria belongs to this family, whose shared traits place it among cypress relatives.
Yoshino cedar: A Japanese cultivar group of Cryptomeria japonica valued for timber production. This cultivated form illustrates the species’ role in managed Japanese forestry.
Yakushima: A Japanese island known for ancient cedar forests and exceptional biodiversity. Its old-growth Cryptomeria forests preserve some of the species’ best-known natural populations.
Sequoiadendron giganteum: The giant sequoia, a massive conifer native to the Sierra Nevada of California. This cypress-family relative helps show the family’s range of tree forms and habitats.
Sugi pollen season: The annual period when Japanese cedar releases pollen, causing widespread seasonal symptoms in Japan. Mass planting of Cryptomeria japonica has made its pollen season a major public-health issue.