Agoseris grandiflora (Nuttall) Greene (Q3061)
Agoseris grandiflora is a taxon with the rank species within the genus Agoseris
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| English |
Agoseris grandiflora (Nuttall) Greene
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Agoseris grandiflora is a taxon with the rank species within the genus Agoseris
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Statements
taxon/id/Agoseris grandiflora (Nuttall) Greene
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Agoseris grandiflora (Nuttall) Greene
Agoseris grandiflora
(Nuttall) Greene
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 19: Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York.
accepted
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large-flowered false-dandelion (English)
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CA-BC
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US-CA
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US-ID
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US-MT
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US-NV
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US-OR
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US-UT
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US-WA
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Stems usually 0, rarely weakly developed.
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Leaves erect to ascending;
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petioles often purplish, margins ciliate to tomentose;
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blades usually linear to oblanceolate, rarely spatulate, 10–40 (–50) cm, margins usually dentate to lobed, or laciniately pinnatifid, rarely subentire, lobes 3–5 pairs, opposite to irregular, linear to lanceolate, usually antrorse, sometimes spreading;
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lobules often present, faces ± villous to canescent.
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Peduncles elongating after flowering, (15–) 25–60 (–96) cm in fruit, ± glabrate, or apically villous to tomentose, eglandular, sometimes bracteate.
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Involucres campanulate to hemispheric, 2–5 cm in fruit.
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Phyllaries in 4–5 series, green or medially rosy purple and/or spotted, subequal to unequal, margins occasionally dentate, ciliate or lanate, sometimes glabrous, faces glabrous or hairy, eglandular;
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outer subequal to or surpassing inner at flowering, spreading, adaxially tomentose;
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inner erect, greatly elongating after flowering.
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Receptacles epaleate.
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corollas yellow, tubes 4–7 (–10) mm, ligules 3–7 × ca. 1 mm;
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Cypselae 9–28 mm, bodies fusiform, 3–7 mm, beaks 9–21 mm, lengths mostly 3–4 times bodies;
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ribs ridged to subalate, rarely nerviform, straight, ± glabrous;
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pappus bristles in 2–3 series, 7–15 mm. 2n = 18.
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usually dentate
lobed or laciniately pinnatifid
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usually dentate
lobed or laciniately pinnatifid
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less glabrate or apically villous
tomentose
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less glabrate or apically villous
tomentose
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