Difference between revisions of "Pyrrocoma lanceolata (Hooker) Greene (Q2284)"
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Latest revision as of 12:52, 24 June 2022
Pyrrocoma lanceolata is a taxon with the rank species within the genus Pyrrocoma
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Pyrrocoma lanceolata (Hooker) Greene
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Pyrrocoma lanceolata is a taxon with the rank species within the genus Pyrrocoma
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Statements
taxon/id/Pyrrocoma lanceolata (Hooker) Greene
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Pyrrocoma lanceolata (Hooker) Greene
Pyrrocoma lanceolata
(Hooker) Greene
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 20: Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford University Press, New York.
accepted
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CA-AB
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CA-SK
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US-CA
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US-CO
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US-ID
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US-MT
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US-ND
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US-NE
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US-NV
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US-OR
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US-TX
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US-UT
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US-WY
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Stems 1–10, decumbent to ascending or erect, red-tinged, sometimes branched, sparsely leafy, ± tomentulose or glabrous, sometimes stipitate-glandular.
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Leaves: basal blades lanceolate or rarely oblanceolate to narrowly elliptic, 50–300 × 8–30 mm, margins sharply dentate, eciliate, apices acute, spinulose;
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cauline sessile, lanceolate, bases clasping;
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faces ± tomentulose to glabrate or glabrous, sometimes stipitate-glandular.
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Heads (1–) 4–20 (–50) in corymbiform or paniculiform arrays.
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Involucres hemispheric, 7–10 × 10–18 mm.
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Phyllaries in 3–4 series, linear-lanceolate to lanceolate, 3–11 mm, unequal, bases white-chartaceous, margins entire, eciliate, apices conspicuously green, faces glabrous or tomentulose, rarely stipitate-glandular.
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Ray-florets 18–45;
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corollas 6–11 mm.
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Disc-florets 20–100;
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Cypselae oblong, 3.5–4.5 mm, 4-angled, faces striate, sericeous;
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pappi tawny, 5–7 mm.
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decumbent
ascending or erect
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stipitate-glandular
sometimes
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rarely oblanceolate
narrowly elliptic
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less tomentulose
glabrate or glabrous
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stipitate-glandular
sometimes
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