Difference between revisions of "Picradeniopsis Rydberg ex Britton (Q2540)"
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Latest revision as of 12:53, 24 June 2022
Picradeniopsis is a taxon with the rank genus within the tribe Bahieae
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Picradeniopsis Rydberg ex Britton
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Picradeniopsis is a taxon with the rank genus within the tribe Bahieae
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Statements
taxon/id/Picradeniopsis Rydberg ex Britton
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Picradeniopsis Rydberg ex Britton
Picradeniopsis
Rydberg ex Britton
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 spreading, branched ± throughout.
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petiolate or sessile;
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blades mostly ternately lobed (blades or lobes lanceolate to lance-linear), ultimate margins entire, faces sparsely to densely scabrellous (hairs white, straight, conic or fusiform, 0.1–0.4 mm) and glanddotted.
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Heads radiate, borne singly or (3–6) in loose, corymbiform arrays.
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Involucres turbinate or obconic to ± hemispheric, 5–6+ mm diam.
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Phyllaries persistent, 6–10 in 1–2 series (reflexed in fruit, distinct, oblanceolate, subequal, herbaceous, margins membranous, not purplish).
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Receptacles ± convex, ± pitted, epaleate.
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Ray-florets 3–8, pistillate, fertile;
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corollas usually yellow, sometimes ochroleucous.
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Disc-florets 20–40+, bisexual, fertile;
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corollas yellow to orange (glanddotted), tubes about equaling funnelform to campanulate throats, lobes 5, deltate to lance-deltate.
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Cypselae narrowly obpyramidal, 4-angled, finely nerved, shaggily hairy (at least at bases) and/or glanddotted;
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pappi persistent, of 8–10 (distinct) ovate or elliptic to lanceolate or linear-subulate (basally and/or medially thickened, distally and/or laterally scarious) scales in 1 series (weakly, if at all, aristate).
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branched
more or less throughout; throughout
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scabrellous
sparsely to densely
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obconic
more or less hemispheric
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elliptic
lanceolate or linear-subulate
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