Barbara Alongi Copyright: Flora of North America Association Plants 3–35 (–100) cm. Stems erect or ascending. Leaves 3–7 (–25 cm); leaflets 5–13, blade
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rubiginosa, Rosa sherardii, Rosa tomentosa de Candolle ex Seringe Mus. Helv. Bot. 1: 3. 1818. Walter H. Lewis, Barbara Ertter, Anne Bruneau Introduced Treatment
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sometimes stipitate-glandular. Pappus bristles usually in 2, rarely 3 series (shorter outer setiform scales rarely present, inner bristles usually strongly
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abaxially glabrate; inner petals ovate-acute or short-acuminate, ca. 1/2 length of outer petals, fleshier than outer petals, base large, saccate, corrugate
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rarely (2–3+) in ± corymbiform to racemiform arrays (peduncles ± scapiform, usually bearing 2+ leaves or bracts proximally or at mid length). Involucres
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Peduncles 1–20 mm (bracts usually 0, sometimes 1–5, reduced, scalelike). Involucres obconic to subcylindric, 6–16 × 2–4 mm. Phyllaries 10–31 in 3–5 series
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usually 3-locular. Seeds usually not tailed. North America and south temperate areas of the world The relationships of both the perennial and annual species
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floral-tube absent; sepals green, 6–10 × 2–3 mm; petals pale green-yellow, 3–7 × 1 mm; corona filament whorls 2, outer filaments pale green to white basally
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plant); petiolate or sessile; blades (1-nerved or 3-nerved) deltate, elliptic, linear, ovate, or rhombic, sometimes 1–2-pinnately lobed or pinnatifid, bases
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unspurred outer petal bent, 12-15 mm, crest similar to that of spurred petal; inner petals oblanceolate, 9-12 mm, claw slender, nearly 1/2 petal length; nectariferous
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nevii); pappi 0, coroniform (of ± 10 scales), or of (1–) 4–8 (–14) scales in 1 series, in 2, abruptly unequal series, or in 2–3, gradually unequal series
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unequal, width of outer filaments about 2 times inner, outer anthers lavender, inner smaller, paler. Capsules 20–50 mm, beak 3–5 mm. Seeds brown, 1–1.5 mm, minutely
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(H. porteri), or readily falling, of 2 (–3) usually lanceolate, aristate, or erose scales (at the 2 principal angles, 1–5 mm) plus 0–8 usually shorter scales
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distinct or connate only at base, 3.5–4 mm. Capsules ± spheric, 1.2–1.3 × 1.2–1.3 cm, distinctly 3-lobed, explosively dehiscent. Seeds pale gray, ellipsoidal
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farinose. Stems 1–25+, prostrate to erect; branches mainly proximal. Leaves: largest blades deltate, elliptic, linear, or ovate, (0–) 1–2-pinnately or -subpalmately
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falling, of 80–150, usually distinct, sometimes basally connate, white to tawny, coarse to fine, ± equal (or outer shorter), barbellulate bristles in 1–2 series
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with scattered, ferruginous, peltate scales on outer surface, petals connate (for 3/4+ their lengths), lobes 8–19 mm, tube gradually expanding into lobes
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distally, clawed, 2-lobed, with slender central tooth, 1–3 mm, 6–20 mm; stamens 8, in 2 unequal sets, outer anthers lavender to purple, inner smaller, paler;
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with high, angular keel, claw slender, 6-8 mm; nectariferous spur 1/3 length of petal spur, blunt; style ca. 4 mm; stigma triangular, with 4 papillae. Capsules
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filaments of both whorls connate from 1/5–3/4+ length, outer whorl 2–3 mm, inner whorl 3–5 mm. Pistillate flowers resembling staminate; carpel 1; style 2
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