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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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Shrub, tree, generally evergreen; monoecious or dioecious. Leaf: simple, cauline, alternate or opposite (either ± 4-ranked) or whorled in 3s (6-ranked), linear or scale-, awl- or needle-like (sometimes linear and awl-like on 1 plant, or on juvenile or injured plants), generally decurrent, covering young stems. Pollen cone: axillary or terminal. Seed cone: ± fleshy to generally woody, generally hard at maturity; scales opposite or whorled, peltate or not. Seed: 1–many per scale, angled or lateral winged, generally wind-dispersed.
30 genera, 130+ species: ± worldwide, especially North America, Eurasia. [Farjon 2005 Monogr Cupressaceae Sciadopitys. RBG, Kew] Incl (paraphyletic) Taxodiaceae. Taxa of (polyphyletic) Cupressus in TJM (1993) now in Callitropsis, Chamaecyparis, Hesperocyparis. —Scientific Editor: Thomas J. Rosatti.
Key to Cupressaceae
Single-trunked tree, pyramidal in youth; monoecious. Stem: young shoots flat, in drooping or pendent clusters, in 1 plane. Leaf: opposite, 4-ranked, scale-like, overlapping, of 2 kinds (facials smaller, appressed, laterals with tips spreading above facials). Pollen cone: terminal. Seed cone: 5–14 mm, woody, ± spheric to widely cylindric, maturing 1st year, open at maturity; scales 8–12, peltate, abutting, shield- or wedge-shaped, projection generally present, <= 1 mm, pointed, base depressed from edge. Seed: (1)2–5(7) per scale, flat, wings 2, narrow; cotyledons 2.
5 species: western and eastern North America, eastern Asia. (Greek: dwarf or on-the-ground cypress) [Farjon 2005 Monograph Cupressaceae Sciadopitys. RBG, Kew]
Previous taxon: Calocedrus decurrens
Next taxon: Chamaecyparis lawsoniana
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Aug 5 2015
Citation for this treatment: [Author of taxon treatment] 2013. Chamaecyparis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=9025, accessed on Aug 5 2015
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