Lasthenia sect. Ptilomeris (Nuttall) Ornduff (Q2860)
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Lasthenia sect. Ptilomeris is a taxon with the rank section within the genus Lasthenia
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Lasthenia sect. Ptilomeris (Nuttall) Ornduff
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Lasthenia sect. Ptilomeris is a taxon with the rank section within the genus Lasthenia
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Statements
taxon/id/Lasthenia sect. Ptilomeris (Nuttall) Ornduff
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Lasthenia sect. Ptilomeris (Nuttall) Ornduff
Lasthenia sect. Ptilomeris
(Nuttall) Ornduff
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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Leaves usually pinnately lobed or pinnatifid, sometimes entire.
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Involucres hemispheric to obconic.
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Phyllaries falling with cypselae, distinct.
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Receptacles conic, smooth, muricate, or pitted, glabrous or hairy.
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Ray corollas yellow, laminae 1–10 mm, floral pigments remaining yellow in dilute aqueous alkali.
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Disc corolla lobes 5;
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anther appendages ovate to obovate;
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style apices ± deltate, glabrous or with apical tufts of hairs and subapical fringes of shorter hairs.
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