Juniperus occidentalis |
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Sierra juniper, western juniper. |
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Habit | Trees monoecious or dioecious, to 20(–30) m, single-stemmed; crown rounded to conical. | ||||
Bark | red-brown to brown, exfoliating in thin strips, that of small branchlets (5–10 mm diam.) smooth, that of larger branchlets exfoliating in scales or flakes. |
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Branches | spreading to ascending; branchlets erect, 3–4-sided in cross section, ca. 2/3 or less as wide as length of scalelike leaves. |
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Leaves | green, abaxial glands ovate to elliptic, conspicuous, with yellow or white exudate, margins denticulate (at 20x); whip leaves 3–6 mm, not glaucous adaxially; scalelike leaves 1–3 mm, not overlapping, rounded, apex acute to obtuse, appressed. |
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Seed(s) | cones maturing in 2 years, of 2 distinct sizes, with straight peduncle, ovoid, 5–10 mm, blue to blue-black, glaucous, fleshy and resinous, with 2(–3) seeds. |
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Juniperus occidentalis |
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Distribution |
CA; ID; NV; OR; WA; only in the flora
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Discussion | Varieties 2. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 2. | ||||
Parent taxa | Cupressaceae > Juniperus > sect. Sabina | ||||
Sibling taxa | |||||
Subordinate taxa | |||||
Name authority | Hooker: Fl. Bor.-Amer. 2: 166. (1838) | ||||
Web links |
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