|University of California, Berkeley|
|Directory News Site Map Home|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
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]
Tree 20–65 m. Stem: trunk < 6 m diam; bark 15–25 cm thick, red-brown to tan, fibrous, fire-resistant; young shoots flat, in flat clusters, held ± horizontally, lower surfaces often paler. Leaf: green, generally glaucous; glands generally visible; lateral leaf tips generally curved toward stem axis. Pollen cone: yellow-green, becoming dark red to purple black. Seed cone: 6–11 mm, spheric, red-brown; scales 7–10, projection ± 0. Seed: 2–5 per scale, 2–4 mm, generally with wart-like pitch pockets, light chestnut-brown, generally glandular.
Coastal conifer, mixed-evergreen, yellow-pine forests, often on serpentine; < 1700 m. Klamath Ranges; southwestern Oregon. [Cupressus lawsoniana A. Murray bis] [Online Interchange]
Previous taxon: Chamaecyparis
Next taxon: Hesperocyparis
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Oct 13 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=18865, accessed on Oct 13 2015
Copyright © 2014 Regents of the University of California
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.
|Geographic subdivisions indicated for the distribution of Chamaecyparis lawsoniana|| Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
READ ABOUT YELLOW FLAGS
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).
View elevation by latitude chart
| Data provided by the participants of the Consortium of California Herbaria.
View all CCH records
CCH collections by month