genusOncosiphon Show Lower Taxa Oncosiphon piluliferum Källersjö Bot. J. Linn. Soc. 96: 310, figs. 2F, 6, 16E1, 16E2. 1988. David J. Keil Etymology: Greek onkos, swelling
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names: Florists’ cineraria Basionym: Senecio hybridus Regel Gartenflora 8: 310. 1859 Cineraria hybrida Willdenow 1809 Treatment appears in FNA Volume 20
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yellowish-brown to brown, 4–7 mm. Capsule brown, weakly lustrous to dull, narrowly ovoid to cylindric, somewhat wrinkled, 1–3 × 0.4–0.6 mm; operculum conical-rostrate
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hidden. Pedicels less than 1 mm. Flowers (0.8–) 1.2–1.3 (–1.4) × 0.7–0.8 mm, 1–1.5 mm in fruit; epicalyx bractlets 0–0.1 mm; hypanthium subglobose to ellipsoid
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retrorsely hairy, sometimes purplish; auricles to 1.5 mm, often absent; ligules to 1 mm; blades 4-12 mm wide, lax, usually deep green, adaxial surfaces usually
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glabrous or hirsute, often purplish; auricles to 1 mm, often absent; ligules to 1 mm; blades (3) 5-14 (16) mm wide, lax, adaxial surfaces usually pilose to
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North America Association Herbs, annual. Stems erect to ascending, 10–310 (–370) mm, glandular-puberulent and/or glandular-pubescent. Leaves usually basal
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cylindric, 2–10 × 5–7 mm; bracts appressed, elliptic-lanceolate, 4–8 mm, rigid, margins flat, green, if white then scarious portion 0.1–0.2 mm wide; lateral and
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Involucres campanulate to hemispheric, 15–30 mm diam. Outer phyllaries ovatelanceolate to lanceolate, 10–24+ mm, seldom surpassing inner, apices acuminate
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fruit; stamens (4–) 5; stigmas 2, 0.2 mm. Utricles ovoid; pericarp nonadherent, smooth. Seeds round, 0.9–1.3 mm diam., margins rounded; seed-coat black
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Specialized asexual reproduction absent. Seta 1 per perichaetium, 2–3 mm. Capsule ovoid, 0.75–1 mm, smooth to obscurely striate-ribbed when dry; peristome teeth
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calyx not streaked, 5–9 mm, pubescent, lobes narrowly lanceolate, margins thin; petals 5, corolla yellow, not streaked, rotate, 5–9 mm, lobes with margins
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Endemic Basionym: Rudbeckia alismifolia Torrey & A. Gray Fl. N. Amer. 2: 310. 1842 (as alismaefolia) Treatment appears in FNA Volume 21. Treatment on page
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Treatment appears in FNA Volume 17. Treatment on page 310. Mentioned on page 309, 311. Pedicels (2–) 5–10 (–15) mm. 2n = 18. Phenology: Flowering Jun–Aug. Habitat:
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10–13 mm diam.; stamens 4–8 mm; style (5–) 6–9 (–10) mm, conspicuously exerted. Capsules compressed in cross-section, oblong-obovoid, 4–6 × 3.5–5.5 mm, ca
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or violet, rotate, 8–10 mm diam.; stamens 7 mm; style 3–6 mm. Capsules compressed in cross-section, oblong, 5–6 (–8) × 3–4.5 mm, longer than wide, apex
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-lobed, lobes (1–) 2–3 mm, apex obtuse, glandular-hairy; corolla pale blue to purple, rotate, 8–10 mm diam.; stamens 4–5 mm; style 7 mm. Capsules compressed
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or pinkish, laminae 14–20 mm. Disc-florets 60–150+; corollas yellowish, 3.5–4 mm, tubes 1.5–2 mm, throats campanulate, 1.5–2 mm, lengths 2–3 times lobes
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streaked, rotate, 8–12 mm, lobes with margins entire, apex acute to rounded, stipitate-glandular adaxially; filaments connate 1.5–2.2 mm, shorter than corolla;
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campanulate, 6–11 mm, lobes with margins entire, apex acute to obtuse, finely and minutely stipitate-glandular; filaments connate 1.3–1.7 mm, shorter than
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