Tetraneuris herbacea Greene (Q2712)
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Tetraneuris herbacea is a taxon with the rank species within the genus Tetraneuris
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English |
Tetraneuris herbacea Greene
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Tetraneuris herbacea is a taxon with the rank species within the genus Tetraneuris
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Statements
taxon/id/Tetraneuris herbacea Greene
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Tetraneuris herbacea Greene
Tetraneuris herbacea
Greene
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-ON
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Newmaster, S.G. & S. Ragupathy. 2005. Flora Ontario - Integrated Botanical Information System (FOIBIS), Phase I. University of Guelph, Canada. http://www.uoguelph.ca/foibis http://www.uoguelph.ca/foibis/
CA-ON
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US-IL
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US-OH
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Caudices ± branched, branches notably thickened distally.
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Stems 1–10, erect, unbranched.
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Leaves all basal, new leaves tightly clustered;
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blades spatulate or oblanceolate to linear-oblanceolate, entire, glabrous or sparsely to rarely moderately hairy, moderately to densely glanddotted.
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Heads 1–10 per plant, borne singly.
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Peduncles 5–35 cm, ± hairy proximally, densely hairy distally.
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Involucres 10–15 × 12–20 mm.
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Outer phyllaries 8–12, 5–7.5 mm, margins 0–0.2 mm wide, sometimes slightly scarious, abaxial faces ± hairy.
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Ray-florets 14–27;
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corollas 11.8–20 mm.
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Disc-florets 50–100+;
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corollas yellow, 3.4–4 mm.
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Cypselae 2.4–3.4 mm;
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pappi of 4–7 obovate, usually non-aristate scales 1.9–2.2 mm. 2n = 28.
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oblanceolate
linear-oblanceolate
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glabrous or
sparsely rarely moderately hairy
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