Jepson eFlora: Taxon page
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Juniperus osteosperma
UTAH JUNIPER

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: JuniperusView DescriptionDichotomous Key

Common Name: JUNIPER
Habit: Shrub, tree; generally dioecious. Stem: bark thin, peeling in strips; young shoots 4-angled to cylindric. Leaf: opposite (4-ranked) or whorled in 3s (6-ranked), scale-like to less often awl- or needle-like. Pollen Cone: generally terminal; pollen sacs 2--6 per scale. Seed Cone: generally terminal, 5--18 mm, +- spheric, +- fleshy, berry-like, glaucous or not, dry or resinous, generally maturing 2nd year, surrounded at base by minute scale-like bracts; scales 3--8, fused, opposite or whorled in 3s. Seed: 1--3 per cone, +- flat, unwinged, often not angled, generally animal-dispersed over 2 years; cotyledons 2--6.
Species In Genus: 67 species, 28 var.: northern hemisphere except northeastern Africa. Etymology: (Latin: juniper)
eFlora Treatment Author: Robert P. Adams & Jim A. Bartel

Juniperus osteosperma (Torr.) Little
NATIVE
Habit: Tree 1--8 m; monoecious. Stem: trunk generally 1; bark thin, gray-brown aging ash-white. Leaf: generally opposite, 4-ranked; closely appressed, scale-like; gland obscure. Pollen Cone: 2--3 mm, cylindric. Seed Cone: 5--13 mm, spheric, brown maturing red-brown, dry. Seed: 1(2), 3--4 mm, ovoid, strongly angled.
Ecology: Pinyon/juniper woodland; Elevation: 1300--2600 m. Bioregional Distribution: SnGb, SnBr, GB, DMtns; Distribution Outside California: to Montana, New Mexico.
eFlora Treatment Author: Robert P. Adams & Jim A. Bartel
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Citation for this treatment: Robert P. Adams & Jim A. Bartel 2016. Juniperus osteosperma, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=29774, accessed on May 05, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 05, 2016.


Juniperus osteosperma
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© 2014 California Academy of Sciences
Juniperus osteosperma
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© 2000 Gary A. Monroe
Juniperus osteosperma
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© 2015 California Academy of Sciences
Juniperus osteosperma
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© 2016 California Academy of Sciences
Juniperus osteosperma
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© 2001 California Academy of Sciences
Juniperus osteosperma
click for enlargement
© 2014 California Academy of Sciences

More photos of Juniperus osteosperma in CalPhotos


Geographic subdivisions for Juniperus osteosperma:
SnGb, SnBr, GB, DMtns;
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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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

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