Heliopsis Persoon (Q2770)
Heliopsis is a taxon with the rank genus within the tribe Heliantheae
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Heliopsis Persoon
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Heliopsis is a taxon with the rank genus within the tribe Heliantheae
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Statements
taxon/id/Heliopsis Persoon
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Heliopsis Persoon
Heliopsis
Persoon
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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Stems erect or trailing, branched from bases or ± throughout.
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blades ± 3-nerved from bases, deltate or ovate to lanceolate, bases ± cuneate to subtruncate, margins serrate or coarsely toothed, faces glabrous or hairy.
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Heads radiate [discoid], borne singly.
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Involucres turbinate to hemispheric, 8–14 mm diam.
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Phyllaries persistent, 12–20 in 2–3 series (ovate or oblong, ± equal, outer more foliaceous than inner).
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Receptacles convex to conic, paleate (paleae tardily falling, yellowish, conduplicate, becoming chartaceous).
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Ray-florets [0] 5–20, pistillate, fertile;
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corollas yellow to orange (laminae persistent, sessile, becoming papery).
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Disc-florets 30–150+, bisexual, fertile;
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corollas yellow or brown to purple, tubes much shorter than narrowly cylindric throats, lobes 5, deltate.
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Cypselae (brown to black-brown) subterete or obscurely 3 (ray) - or 4 (disc) -angled (not winged);
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