corollas yellow or yellow-orange [whitish or ochroleucous] (laminae usually oblong to elliptic). Disc-florets 6–30 [–100+], bisexual, fertile; corollas
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internodes 4-lined at first, then 2-lined to terete. Leaf-blades usually oblong to lanceolate-oblong, sometimes oblanceolate, 25–65 × 8–22 mm, base articulated
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adaxially, usually oblong-obovate, sometimes broadly elliptic or ovate to obovate, rarely oblanceolate-elliptic, (4–) 5–10 (–13) cm, usually 2–3 times longer
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reddish, usually oblong, 3–3.5 mm, apex acute, surfaces glabrous or stipitate-glandular; petals connate nearly their entire lengths, usually pink (ranging
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cuspidate mucronate, faces ± densely silky; distal sessile, blades usually oblong to lanceolate, rarely ovate, 9–15 × 1.8–5 mm, reduced distally, bases
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anthers oblong, 1–1.5 mm; gynophore (0.5–) 1–2 (–5) mm, or, rarely, obsolete. Fruits usually oblong to elliptical, rarely suborbicular, usually latiseptate
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repand, or dentate, apex obtuse. Cauline leaves: blade usually oblong or lanceolate, rarely linear-oblong, base sagittate or auriculate, apex acute. Fruiting
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Flora of North America Association Shrubs, usually erect to suberect, rarely decumbent and rooting, usually unbranched, rarely sparsely branched distally
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Flowers: sepals erect to spreading, ovate to oblong or linear; petals usually obovate or oblanceolate, rarely oblong, (shorter to longer than sepals), claw obsolete
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or pilose; glands 4, yellow to pink, usually oblong to reniform, 0.1 × 0.2–0.3 mm; appendages white to pink, oblong or flabellate, rarely absent, (0–) 0
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single, usually branched or distally 2-fid, 53–119 µm wide near base, 1/2–9/10 leaf length; alar region sharply delimited, triangular or usually oblong, from
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4–80-flowered, pseudoterminal or axillary, usually spikes or clusters, sometimes flowers solitary (monad). Flowers usually 5-merous, sessile, in triplets (triads)
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ascending, ovate or oblong, lateral pair saccate or not basally, (margins membranous); petals white, pink, or purple, usually spatulate, oblong, or oblanceolate
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ovate, 0.2–0.4 mm; gynophore usually 0.2–1 mm, rarely obsolete. Fruits stipitate, not torulose, linear to narrowly oblong, (0.7–) 1–2 (–2.5) cm × 2–3 mm
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buds obovoid or oblong; sepal horns usually flattened adaxially. > 14 13 Flower buds usually subglobose, rarely ellipsoid or ellipsoid-oblong; sepal horns
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Leaf-blades usually oblong (ovate-oblong, circular, lanceolate, or ovate). Internodes of secondary branches subtending involucres in fruit usually reduced
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cauline; opposite; petiolate; blades usually 3-nerved from bases, deltate, oblanceolate, ovate, ovate-deltate, oblong, or triangular, margins dentate or
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undivided cauline leaves usually ± oblong, sometimes obovate to lanceolate, margins denticulate, usually prickly, midribs usually prickly-setose, rarely
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Mentioned on page 278, 279. Stolons usually appressed ascending-hairy, sometimes almost glabrous. Leaves: petiole usually appressed-ascending-hairy, sometimes
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Phyllaries 22–44 in 3–4 series, 1-nerved (nerve translucent, flat), usually lance-oblong to lanceolate, sometimes ovate, subequal, membranous, margins scarious
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