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Calocedrus decurrens

Higher Taxonomy
Family: CupressaceaeView DescriptionDichotomous Key

Common Name: CYPRESS FAMILY
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.
Genus: CalocedrusView Description 

Common Name: INCENSE CEDAR
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)
eFlora Treatment Author: John W. Thieret, final revision by Jim A. Bartel

Calocedrus decurrens (Torr.) Florin
NATIVE
Habit: Tree 20--69 m. Stem: trunk < 4 m diam, tapered from wide base; bark 1--2.5+ cm thick, fibrous, cinnamon-red; lower branches down-curved. Leaf: 3--10 mm. Pollen Cone: 5--7 mm, oblong, light yellow. Seed Cone: 17--35 mm, light red-brown. Seed: 14--25 mm, including wing, +- yellow to red-brown, maturing fall.
Ecology: Common. Mixed-evergreen, yellow-pine forests; Elevation: 350--2500 m. Bioregional Distribution: KR, NCoR, CaR, SN, SCoR, TR, PR, MP; Distribution Outside California: Oregon, western Nevada, northern Baja California. Note: Frequently planted as an ornamental.
Synonyms: Libocedrus decurrens Torr.
eFlora Treatment Author: John W. Thieret, final revision by Jim A. Bartel
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Citation for this treatment: John W. Thieret, final revision by Jim A. Bartel 2016. Calocedrus decurrens, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=16709, accessed on May 04, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 04, 2016.


Calocedrus decurrens
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© 2015 Keir Morse
Calocedrus decurrens
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© 2008 Keir Morse
Calocedrus decurrens
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© 2015 Neal Kramer
Calocedrus decurrens
click for enlargement
© 2015 Keir Morse
Calocedrus decurrens
click for enlargement
© 2015 Keir Morse
Calocedrus decurrens
click for enlargement
© 2011 Neal Kramer

More photos of Calocedrus decurrens in CalPhotos


Geographic subdivisions for Calocedrus decurrens:
KR, NCoR, CaR, SN, SCoR, TR, PR, MP;
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.
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map of distribution 1
(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).

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Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.