Difference between revisions of "Juniperus monosperma"
Silva 10: 89. 1896.
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|publication year=1896 | |publication year=1896 | ||
|special status=Illustrated;Endemic | |special status=Illustrated;Endemic | ||
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|genus=Juniperus | |genus=Juniperus | ||
|section=Juniperus sect. Sabina | |section=Juniperus sect. Sabina | ||
Latest revision as of 20:23, 5 November 2020
Shrubs or trees dioecious, to 7(–12) m, usually branching near base; crown rounded to flattened-globose. Bark gray to brown, exfoliating in thin strips, that of small branchlets (5–10 mm diam.) smooth, that of larger branchlets exfoliating in either flakes or in strips. Branches ascending to erect; branchlets erect, 4–6-sided, ca. 2/3 as wide as length of scalelike leaves. Leaves green to dark green, abaxial glands elongate, fewer than 1/5 of glands (on whip leaves) with an evident white crystalline exudate, margins denticulate (at 20×); whip leaves 4–6 mm, glaucous adaxially; scalelike leaves 1–3 mm, not overlapping, or if so, by less than 1/4 their length, keeled, apex acute to acuminate, spreading. Seed cones maturing in 1 year, of 1 size, with straight peduncles, globose to ovoid, 6–8 mm, reddish blue to brownish blue, glaucous, fleshy and resinous, with 1(–3) seeds. Seeds 4–5 mm.
Habitat: Dry, rocky soils and slopes
Elevation: 1000–2300 m
Distribution
Ariz., Colo., N.Mex., Okla., Tex.
Discussion
Reports of hybridization with J. pinchotii have been refuted by use of numerous chemical and morphologic characters (R. P. Adams 1975); the two species have nonoverlapping pollination seasons.
Selected References
None.