North America Association Trees or shrubs, deciduous, to 20 m. Bark bluish gray, deeply furrowed, inner bark orangish or reddish. Twigs dark reddish-brown
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Flora of North America Association Shrubs, evergreen, to 5 m. Bark gray. Twigs light to dark purplish brown, (1.5-) 2-3 (-4) mm diam., glabrate to sparsely
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Treatment on page 193. Mentioned on page 183. Annuals, 10–100 cm, herbage loosely gray-tomentose and villous with jointed multicellular hairs, sometimes minutely
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ovoid, 1–2 × 0.6–1.8 cm; outer coats enclosing 1 or more bulbs, light-brown to gray, membranous, obscurely cellular-reticulate, cells rectangular, walls
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mm; filaments red-purple, 2–5 mm, dilated basally; anthers erect, straight, gray-purple, 9–16 mm, thick, dehiscence introrse; connectives purplish brown,
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mm; central spines 3–6 per areole, dense in mature plants, white to pale gray, straight, flexible, hairlike, 8–35 × 0.3 mm. Flowers 1.5–2.2 × 1.9–2.5 cm;
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petiole 3–11.5 cm, usually glabrous; blade sometimes gray-green abaxially, usually mottled light green adaxially, widely or narrowly hastate to ovate,
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LAYOUT:treatment:TUOYAL familyViolaceae genusViola speciesViola howellii A. Gray Proc. Amer. Acad. Arts 22: 308. 1887. R. John Little, Landon E. McKinney†
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Vaccinioideae genusGaylussacia speciesGaylussacia brachycera (Michaux) A. Gray Mem. Amer. Acad. Arts, n. s. 3: 54. 1846 ,. Bruce A. Sorrie, Alan S. Weakley
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Sunbright Illustrated Basionym: Talinum parviflorum Nuttall in J. Torrey and A. Gray, Fl. N. Amer. 1: 197. 1838 Synonyms: Phemeranthus confertiflorus (Greene)
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Ignatov Illustrated Basionym: Hypnum novae-angliae Sullivant & Lesquereux in A. Gray, Manual ed. 2, 676. 1856 Treatment appears in FNA Volume 28. Treatment on
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Myers Copyright: Flora of North America Association Trees, to 52 m. Bark gray or brownish, smooth or ridged or exfoliating with small platelike scales
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wide, obscured by interlacing spines; areoles 3 mm in diam.; wool white to gray. Spines 7–15 per areole, primarily in distal areoles; major 3–5 abaxial spines
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Alongi Copyright: Flora of North America Association Roots usually 1 per node, gray, 1–1.5 mm diam., villous and thicker when in contact with substrate, glabrous
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Copyright: Flora of North America Association Trees, evergreen, to 25 m. Bark gray to dark-brown or black, ridges broad, rounded. Twigs brown to redbrown, 1
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slender to relatively stout, 0.5–1.2 mm diam.; bark of older branches dark gray, sometimes with black patches; tips not or weakly spinescent; glabrous. Leaves:
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LAYOUT:treatment:TUOYAL familyViolaceae genusViola speciesViola hallii A. Gray Proc. Amer. Acad. Arts 8: 377. 1872. R. John Little, Landon E. McKinney†
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new growth light yellow-green, glabrous, marked by oblong pale lenticels, at end of 1st year bright redbrown, very lustrous, 1-year old dark gray-brown; thorns
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30–65 cm. Basal leaves spatulate to oblanceolate, 50–200 × 4–25 mm, faces gray-pubescent. Cauline leaves 8–140 mm, distal usually flagged. Heads 3–30. Involucres:
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veins not prominently raised abaxially, surfaces densely equally silvery-gray-tomentose or irregularly canescent-tomentose, hairs conic to cylindric, dendritic
5 KB (412 words) - 19:05, 29 July 2020