Difference between revisions of "Lactuca virosa Linnaeus (Q3134)"
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Latest revision as of 12:46, 24 June 2022
Lactuca virosa is a taxon with the rank species within the genus Lactuca
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Lactuca virosa Linnaeus
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Lactuca virosa is a taxon with the rank species within the genus Lactuca
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taxon/id/Lactuca virosa Linnaeus
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Lactuca virosa Linnaeus
Lactuca virosa
Linnaeus
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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CA-MB
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Scoggan, H.J. 1978-79. The Flora of Canada. Parts 1-4. National Museum of Natural Sciences, Publications in Botany 7. 4 volumes.
US-AL
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US-CA
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US-DC
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10–400 m
10 meter
400 meter
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blades of undivided cauline leaves obovate to spatulate, margins denticulate, midribs usually prickly-setose.
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Heads in paniculiform arrays.
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Involucres 12–15 mm.
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Phyllaries usually reflexed in fruit.
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corollas yellow, usually deliquescent.
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Cypselae: bodies purplish to blackish, ± flattened, ± elliptic, 3.5–4 mm, beaks ± filiform, 2.5–3.5 mm, faces 5–7-nerved;
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pappi white, 5–6 mm. 2n = 18.
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