|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: Pinaceae||View Description||Dichotomous Key|
|Genus: Pinus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Pinus jeffreyi Grev. & Balf.
Stem: trunk < 53 m, < 2.3 m wide; mature bark generally red-brown, furrows close-spaced, deep, outer scales with +- pink inner surfaces, crevices with definite odor of vanilla/banana, especially on warm days; mature crown rounded; buds not resinous, scales light brown, white-hairy. Leaf: 3 per bundle, 12--27 cm, thick, gray-blue-green, glaucous; sheath persistent. Seed Cone: spreading or recurved, generally 13--25 cm, ovate to +- oblong, brown, when immature light green to red-purple; stalk < 3 cm, persistent with proximal scales; scales generally not darker abaxially than adaxially, in open cone +- crowded, tips recurved, elongated < 3 cm; knob prickles incurved; bracts with white fringing hairs.
Ecology: Upper mixed-conifer, red-fir forests, elsewhere on serpentine; Elevation: 450--3100 m. Bioregional Distribution: KR, NCoR, CaR, SN, SCoRI, TR, PR, GB; Distribution Outside California: southwestern Oregon, western Nevada, northern Baja California.
eFlora Treatment Author: J. Robert Haller & Nancy J. Vivrette
Jepson Online Interchange
Previous taxon: Pinus flexilis
Next taxon: Pinus lambertiana
Citation for this treatment: J. Robert Haller & Nancy J. Vivrette 2017. Pinus jeffreyi, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=38279, accessed on March 25, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on March 25, 2017.