Liatris pycnostachya Michaux (Q2615)
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Liatris pycnostachya is a taxon with the rank species within the genus Liatris
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Liatris pycnostachya Michaux
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Liatris pycnostachya is a taxon with the rank species within the genus Liatris
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taxon/id/Liatris pycnostachya Michaux
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Liatris pycnostachya Michaux
Liatris pycnostachya
Michaux
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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CA-QC
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Rousseau, C. 1971. Une classification de la flore synanthropique du Québec et de l'Ontario II. Liste des espèces. Naturaliste canadien 98: 697-730.
US-AR
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US-IL
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US-IN
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US-IA
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US-KS
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US-KY
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US-LA
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US-MA
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US-MI
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US-MN
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US-MS
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US-MO
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US-ND
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US-NJ
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US-NY
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US-NE
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US-OH
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US-OK
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US-PA
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US-SD
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US-TX
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US-WI
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Plants (40–) 60–120 (–180) cm.
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Corms globose, sometimes becoming elongate rhizomes.
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Stems glabrous or densely piloso-puberulent.
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Leaves: basal and proximal cauline 3–5-nerved, linear to narrowly oblanceolate or oblanceolate, 110–220 × 4–10 (–12) mm, gradually then abruptly reduced distally (bractlike proximal to heads), essentially glabrous or sparsely pilose to densely piloso-puberulent, weakly glanddotted (bases of basal usually fibrous-persistent).
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Heads in dense, spiciform arrays.
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Peduncles usually 0, rarely (spreading to ascending) 1–2 mm.
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Involucres campanulate-cylindric, 7–9 (–10) × 3.5–5 mm.
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Phyllaries (reflexed or curving-spreading) in 4–5 series, oblong-lanceolate, unequal, essentially glabrous or ± pilose, margins with hyaline borders, sometimes ciliate, apices usually acute to acute-acuminate (sometimes distally dilated, nearly petaloid).
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corolla-tubes glabrous inside.
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Cypselae 3.8–4.5 (–5) mm;
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pappi: lengths ± equaling corollas, bristles barbellate.
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narrowly oblanceolate or oblanceolate
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reduced
gradually; abruptly; distally
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sparsely pilose
densely piloso-puberulent
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