Chamaecyparis is a genus of conifers in the cypress family Cupressaceae, native to eastern Asia and western and eastern North America. In the nursery trade it is often incorrectly known as "false cypress" for lack of other common name, so as to distinguish it from other similar genera bearing cypress in their common names. See cypress (disambiguation). Synonyms include Retinispora Siebold & Zucc. and Retinospora Carr. The name is derived from the Greek khamai, meaning ground, and kuparissos for cypress. There are five or six living species, depending on taxonomic opinion:
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| - Chamaecyparis is a genus of conifers in the cypress family Cupressaceae, native to eastern Asia and western and eastern North America. In the nursery trade it is often incorrectly known as "false cypress" for lack of other common name, so as to distinguish it from other similar genera bearing cypress in their common names. See cypress (disambiguation). Synonyms include Retinispora Siebold & Zucc. and Retinospora Carr. The name is derived from the Greek khamai, meaning ground, and kuparissos for cypress. There are five or six living species, depending on taxonomic opinion:
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| - Chamaecyparis pisifera foliage and cones
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| - Chamaecyparis is a genus of conifers in the cypress family Cupressaceae, native to eastern Asia and western and eastern North America. In the nursery trade it is often incorrectly known as "false cypress" for lack of other common name, so as to distinguish it from other similar genera bearing cypress in their common names. See cypress (disambiguation). Synonyms include Retinispora Siebold & Zucc. and Retinospora Carr. The name is derived from the Greek khamai, meaning ground, and kuparissos for cypress. They are medium-sized to large evergreen trees growing from 60 to over 200 feet (20-70 m) tall, with foliage in flat sprays. The leaves are of two types, needle-like juvenile leaves on young seedlings up to a year old, and scale-like adult leaves. The cones are globose to oval, with 8-14 scales arranged in opposite decussate pairs; each scale bears 2-4 small seeds. There are five or six living species, depending on taxonomic opinion:
* Chamaecyparis formosensis. Taiwan.
* Chamaecyparis lawsoniana. Western North America.
* Chamaecyparis obtusa. Japan.
* Chamaecyparis pisifera. Japan.
* Chamaecyparis taiwanensis. Taiwan.
* Chamaecyparis thyoides. Eastern North America. C. taiwanensis is treated by many authors as a variety of C. obtusa (as C. obtusa var. formosana). There are also several species described from the fossil record including:
* †Chamaecyparis eureka Middle Eocene, Axel Heiberg Island, Canada.
* †Chamaecyparis linguaefolia Early-Middle Oligocene, Colorado, USA Another species which used to be included in this genus, as Chamaecyparis nootkatensis, has now been transferred on the basis of strong genetic and morphological evidence to the separate genus Callitropsis as Callitropsis nootkatensis, or back to Cupressus nootkatensis (the name it was originally described under in 1824). Chamaecyparis species are used as food plants by the larva of some Lepidoptera species including Juniper Pug and Pine Beauty.
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