Jepson eFlora: Taxon page
Vascular Plants of California
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Higher Taxonomy
Family: CupressaceaeView DescriptionDichotomous Key

Habit: 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 pl, 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. Chromosomes: n=11.
Genera In Family: 30 genera, 130+ species: +- worldwide, especially North America, Eurasia. Note: Incl (paraphyletic) Taxodiaceae. Taxa of (polyphyletic) Cupressus in TJM (1993) now in Callitropsis, Chamaecyparis, Hesperocyparis.
eFlora Treatment Author: Jim A. Bartel, except as noted
Scientific Editor: Thomas J. Rosatti.
Habit: Tree, generally widely conic; monoecious. Stem: young shoots flat, in flat clusters. Leaf: opposite, 4-ranked, appearing whorled in 4s, scale-like, closely appressed, overlapping, exposed part longer than wide; leaf bases elongated on smallest shoots. Seed Cone: +- pendent, woody, +- oblong, maturing 1st year; scales in 3 partially overlapping pairs, middle pair fertile, free, +- spreading, distal pair united, sterile. Seed: 2 per fertile scale, flat, wings 2, unequal; cotyledons 2.
Species In Genus: 3 species: western North America, eastern Asia. Etymology: (Greek: beautiful cedar)
Jepson eFlora Author: John W. Thieret, final revision by Jim A. Bartel
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

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Citation for this treatment: John W. Thieret, final revision by Jim A. Bartel 2012, Calocedrus, in Jepson Flora Project (eds.) Jepson eFlora, /eflora/eflora_display.php?tid=9024, accessed on October 30, 2020.

Citation for the whole project: Jepson Flora Project (eds.) 2020, Jepson eFlora,, accessed on October 30, 2020.