Flora of North America species comparison

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Juniperus flaccida

Juniperus coahuilensis

drooping juniper, enebro liso, Mexican drooping juniper, tascate

redberry juniper, roseberry
Habit Shrubs or trees dioecious, to 8 m, single-stemmed to 1 m or branched at base; crown flattened-globose to irregular to round.
Bark

gray to brown, exfoliating in long ragged strips, that of small branchlets (5–10 mm diam.) smooth, that of larger branchlets exfoliating in strips, or occasionally in flakes.
Branches

spreading to ascending;

branchlets erect, 3–4-sided in cross section, ca. 2/3 as wide as length of scalelike leaves.
Leaves

green to light green, abaxial glands elliptic to ovate, at least 1/4 of glands (on whip leaves) with an evident white crystalline exudate, margins denticulate (at 20x);

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, spreading.
Seed(s)

cones maturing in 1 year, of 1 size, with straight peduncles, globose to ovoid, 6–7 mm, rose to pinkish but yellow-orange, orange, or dark red beneath glaucous coating, fleshy and somewhat sweet, with 1(–2) seeds.

Juniperus flaccida

Juniperus coahuilensis
Habitat Bouteloua grasslands and adjacent rocky slopes
Elevation 980–1600(–2200) m (3200–5200(–7200) ft)
Distribution
from FNA
TX; Mexico
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; NM; TX; Mexico
[WildflowerSearch map]
[BONAP county map]
Discussion

Varieties 3 (1 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Roseberry juniper is unusual in that it sprouts from the stump after burning or cutting. Hybridization with Juniperus pinchotii occurs in Big Bend National Park, Texas (R. P. Adams and J. R. Kistler 1991), and possibly near Saltillo, Mexico. Reports of hybridization with J. ashei have been refuted (R. P. Adams 1975).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 2. FNA vol. 2.
Parent taxa Cupressaceae > Juniperus > sect. Sabina Cupressaceae > Juniperus > sect. Sabina
Sibling taxa
J. ashei, J. californica, J. coahuilensis, J. communis, J. deppeana, J. horizontalis, J. monosperma, J. occidentalis, J. osteosperma, J. pinchotii, J. scopulorum, J. virginiana
J. ashei, J. californica, J. communis, J. deppeana, J. flaccida, J. horizontalis, J. monosperma, J. occidentalis, J. osteosperma, J. pinchotii, J. scopulorum, J. virginiana
Subordinate taxa
J. flaccida var. flaccida
Synonyms J. erythrocarpa var. coahuilensis
Name authority Schlechtendal: Linnaea 12: 495. (1838) (Martinez) Gaussen ex R. P. Adams: Phytologia 74: 450. (1993)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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