m. Bark light gray or gray-brown, shallowly divided into smooth or scaly plates. Twigs with distal edge of leaf scar straight or nearly so, bordered by
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thick, smooth, thin-corky and spongy, exfoliating in thin, papery sheets or plates. Stems: internodes 6-lined at first, soon 2-winged, then terete, not glaucous
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Association Trees, deciduous, to 10 m. Bark dark brown to black with square plates. Twigs brown to reddish brown, 1-2.5 mm diam., tomentose to sparsely pubescent
4 KB (374 words) - 22:52, 5 November 2020
gray, fissured or exfoliating, separating freely into long strips or broad plates that persist, ends often curling away from trunk. Twigs greenish, reddish
4 KB (440 words) - 17:57, 6 November 2020
deeply irregularly furrowed, cross-checked into broadly rectangular, scaly plates. Branches descending to spreading-ascending; twigs stout (to 2cm thick)
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or trees, 40–100 dm. Stems: trunk bark fibrous, checked into longitudinal plates, ± exfoliating or rough-corrugated; compound thorns on trunks frequent in
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endostome. The exostome teeth in Fontinalaceae are linear, with outer and inner plates equally high. The endostome is firm rather than membranous because of relatively
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Endemic Basionym: Yucca kanabensis McKelvey Yuccas Southw. U.S. 2: 122, plates 48, 49. 1947 Treatment appears in FNA Volume 26. Treatment on page 435.
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brevifolia Schott ex Trelease Rep. (Annual) Missouri Bot. Gard. 13: 100, plates 57–59. 1902, Yucca treleasei J. F. Macbride 1918 Synonyms: Yucca arizonica McKelvey
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on page 29, 39, 51. Shrubs or trees, 2–7(–10) m. Stems: (bark flaking in plates), branches ± brittle at base. Leaves: stipules on late ones and vigorous
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mm diam.) smooth, that of larger branchlets exfoliating in wide strips or plates. Branches drooping; branchlets flaccid, 3–4-sided in cross section, ca.
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Basionym: Razoumofskya tsugensis Rosendahl Minnesota Bot. Stud. 3: 272, plates 27, 28. 1903 Synonyms: Arceuthobium tsugense (Rosendahl) G. N. Jones A.
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with intermediate thickenings on internal dorsal plates not paired with cross walls on external dorsal plates; endostome basal membrane well developed. Spores
3 KB (226 words) - 22:34, 5 November 2020
nearly black, grooved, younger gray, fibrous, checked into longitudinal plates; twigs: new growth lanate, 1-year old pale grayish tan, older gray; thorns
4 KB (388 words) - 19:08, 6 November 2020
dominant. Stems: trunk bark buff to darker, fibrous, checked into longitudinal plates, freshly exposed bark orange-brown; branches spreading; twigs ± straight
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dark gray, smooth, becoming blackish and breaking into shallow vertical plates in age; lenticels inconspicuous. Winter buds stipitate, ovoid, 4–8 mm, apex
3 KB (322 words) - 22:45, 5 November 2020
topped, cylindric. Bark gray, thin, smooth, with age breaking into scaly plates. Branches diverging from trunk at right angles, short, stiff; twigs mostly
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or trees, to 12 m, flowering at 2 m. Stems clustered; bark thick, corky, plates rectangular, 0.5–1 cm wide; branchlets usually green to yellowish green
4 KB (371 words) - 20:14, 5 November 2020
Stems solitary, branching profusely from lower trunk, bark of thin broad plates that shed sporadically, leaving a mottled gray-tan to red color; branches
3 KB (307 words) - 20:16, 5 November 2020
rhizomes present. Stems solitary, 1–5 dm apart; bark gray, splitting into small plates; branchlets green to bronze, often tinged with maroon, densely pubescent;
4 KB (395 words) - 20:15, 5 November 2020