corymbs, 1 or 2 (or 3) -flowered. Pedicels reflexed as hips mature, slender, (13–) 20–28 (–35) mm, glabrous, stipitate-glandular or eglandular; bracts 1–3, ovoid
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Myers Copyright: Flora of North America Association Herbs, perennial, 0.8–3.1 dm; from a woody caudex; with a taproot. Stems several to many, erect to ascending
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to blackish [reddish to purplish at base], ovoid-pyriform, 1.1–1.4 [–1.6] mm, glabrous; hypanthium persistent; sepals persistent, erect-ascending (recurved);
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oblong-obovate, (3–) 10–25 (–40) × (1.8–) 3–8 (–13) mm; pinnules (4–) 7–10 per side, oblong, (1.2–) 2.5–5 (–10) × (0.6–) 1.5–3 (–5) mm, each pinnately divided
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front calyx cleft, 1.5–2 mm, 20% as long as beak, glabrous or sparsely hairy, hairs spreading; teeth reduced, incurved, deep green, 0.5–1 mm. Phenology: Flowering
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Mentioned on page 525, 527, 594, 595, 642. Shrubs, 20–50 dm. Stems: twigs: new growth glabrate, 1-year old purple-brown, 2-years old dark gray-brown; thorns
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4–14 (–17) mm. Flowers: sepals 2–3.5 × 0.5–1 mm; petals pale-yellow, (2.5–) 3–4 (–6) × 1–2 mm; filaments 1.5–3 mm; anthers ca. 0.5 mm. Fruits pyriform
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panicles, 1 or 2 (–8) -flowered. Pedicels erect, stout, 3–6 mm, densely white sericeo-tomentose, eglandular, setae dense; bracts caducous, 6–8, closely
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oblong-ovate, (0.1–) 0.5–1.8 (–3.3) × (0.1–) 0.2–0.7 (–1.3) cm, glabrous or sparsely to densely pilose to strigose. Glomerules white, globose to cylindric, 1–10 ×
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5 (-7), lateral petiolules 0-1 mm, terminal petiolules 3-17 mm; blades ovate, obovate, or elliptic, not falcate, 4-26 × 1-14 cm, margins finely to coarsely
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horizontal to ascending, comprising distal 1/4–1/2 of inflorescence, longer than 10 cm. Flowers 35–75 per cluster, erect, 6–10 cm; perianth yellow to reddish,
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rarely eglandular. Flowers 1.5–3 cm diam.; petals 8–15 × 6–13 mm. Hips irregularly ellipsoid or ellipsoid to nearly globose. Achenes (1–) 4–10 (–13). 2n = 14
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Herbs, perennial, deciduous, to 12 dm, glabrous or pubescent. Rhizomes formed of distinct annual increments, producing 1 leaf or flowering shoot per year
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perennial, deciduous, 2-6 dm, glabrous to sparsely pubescent. Rhizomes short-to-elongate, formed of distinct annual increments, producing 1 leaf or flowering
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leaflets 2–6 per side, ± separate, narrowly cuneate or lanceolate-elliptic to oblong, 5–20 × (1–) 2–5 (–6) mm, 1/5–1/2 as wide as long, divided 1/6–1/4 or less
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clustered, 1–10 dm. Petiole green to pale-brown, 1–30 cm, densely scaly; scales dense proximally, extending to and along rachis. Blade oblanceolate, 1-pinnate
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Inflorescences: peduncle 1-2 dm; pedicel 1-3 cm, stipitate-glandular. Flowers 20-50; bracteoles 6-9, white to yellow, glands absent; sepals 6, white to yellow
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elliptic to ovate, 0.6–1.5 mm in anthesis, margins entire. Achenes mostly included, brown to yellowbrown, 3-gonous, 1.3–2.1 × 0.7–1.2 mm, shiny, smooth
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scalelike, linear to triangular, 1–3 (–6) mm. Peduncles absent. Involucres 1 per node, turbinate to turbinate-campanulate, 1.5–3 × 1–2 mm, tomentose to floccose
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page 594. Shrubs, arborescent, 30–50 dm, or thicket-forming, 15–30 dm. Stems: twigs: new growth green, glabrous, 1-year old shiny, brown, older gray; thorns
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