Difference between revisions of "Helianthella uniflora (Nuttall) Torrey & A. Gray (Q2747)"
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Latest revision as of 12:52, 24 June 2022
Helianthella uniflora is a taxon with the rank species within the genus Helianthella
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Helianthella uniflora (Nuttall) Torrey & A. Gray
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Helianthella uniflora is a taxon with the rank species within the genus Helianthella
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Statements
taxon/id/Helianthella uniflora (Nuttall) Torrey & A. Gray
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Helianthella uniflora (Nuttall) Torrey & A. Gray
Helianthella uniflora
(Nuttall) Torrey & A. Gray
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 21: Magnoliophyta: Asteridae, part 8: Asteraceae, part 3. Oxford University Press, New York.
accepted
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one-flowered little sunflower (English)
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Rocky Mountain dwarf sunflower (English)
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300–3400 m
300 meter
3,400 meter
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CA-BC
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US-AZ
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US-CO
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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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US-WY
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Cauline leaves: largest at mid-stems;
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blades usually 3-nerved, usually lanceolate to elliptic, rarely ovate, 12–25 cm, faces puberulent, hirsute, or scabrous.
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Heads usually borne singly, sometimes 2–3+, erect.
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Involucres turbinate to hemispheric or broader, 15–30 mm diam.
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Phyllaries lanceolate to lance-linear (subequal or outer larger, margins sometimes ciliate, faces ± cinereous-pubescent to sparsely puberulent).
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Paleae chartaceous, relatively firm.
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Ray-florets 11–13 (–21);
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laminae 15–30 (–45) mm.
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Disc corollas yellow.
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Cypselae strongly compressed, narrowly obovate (margins ciliate, faces strigose);
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pappi of 2 ± subulate scales plus 2–4 shorter scales.
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