|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Cupressaceae||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Large shrub, 1- or multi-trunked tree, often pyramidal in youth; monoecious. Stem: young shoots or branches generally cylindric (sometimes +- 4-angled or flat), generally in 3-dimensional clusters. Leaf: opposite, 4-ranked, of 1 kind, scale-like, closely appressed, overlapping. Pollen Cone: terminal, 2--6.5 mm, 1.3--3 mm diam, generally yellow. Seed Cone: 10--50 mm, woody, +- spheric to widely cylindric, maturing 2nd year, generally closed and attached beyond maturity (> 2 years); scales (4)6--12, peltate, abutting, shield- or wedge-shaped, projection generally > 1 mm especially 1st year, pointed, base level with or rising from edge. Seed: 60--150 per cone, flat, wings generally 2, vestigial; cotyledons generally 3--5. Chromosomes: 2n=22(23,24).
Species In Genus: 16 species: western and central North America, Central America. Etymology: (Greek: western cypress)
eFlora Treatment Author: Jim A. Bartel
Jepson Online Interchange
Key to HesperocyparisPrevious taxon: Chamaecyparis lawsoniana
Next taxon: Hesperocyparis abramsiana
Citation for this treatment: Jim A. Bartel 2017. Hesperocyparis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=89290, accessed on March 22, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on March 22, 2017.