|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 attenuata Lemmon
Stem: trunk < 36 m, < 1.1 m wide; bark gray-brown; mature crown with several tops or not, branches many. Leaf: 3 per bundle, 6--16 cm, yellow-green; sheath persistent. Seed Cone: recurved to reflexed, 6--18 cm, asymmetric, yellow-brown, often closed unless burned, on stem many years; stalk < 2 cm, +- 0 with stem growth; proximal scale tip knobs > 2 cm, angled, prickled. Seed: < wing.
Ecology: Closed-cone-pine forest, chaparral; Elevation: < 2000 m. Bioregional Distribution: NW, CaR, SN, e SnFrB, SCoR, SnBr, PR, MP; Distribution Outside California: southwestern Oregon, Baja California.
eFlora Treatment Author: J. Robert Haller & Nancy J. Vivrette
Jepson Online Interchange
Previous taxon: Pinus albicaulis
Next taxon: Pinus balfouriana
Citation for this treatment: J. Robert Haller & Nancy J. Vivrette 2017. Pinus attenuata, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=38257, accessed on March 27, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on March 27, 2017.