Tephroseris (Reichenbach) Reichenbach (Q2954)
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Tephroseris is a taxon with the rank genus within the tribe Senecioneae
| Language | Label | Description | Also known as |
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| English |
Tephroseris (Reichenbach) Reichenbach
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Tephroseris is a taxon with the rank genus within the tribe Senecioneae
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Statements
taxon/id/Tephroseris (Reichenbach) Reichenbach
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Tephroseris (Reichenbach) Reichenbach
Tephroseris
(Reichenbach) Reichenbach
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 20: Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford University Press, New York.
accepted
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Stems 1 or more (loosely clustered), erect.
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petiolate (basal and proximal cauline; distal leaves usually sessile, smaller, bractlike);
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blades pinnately nerved, lanceolate, linear-oblanceolate, oblanceolate, ovate, or subrhombic (bases tapering or contracted to petioles), margins entire or dentate, denticulate, subentire, subpinnatifid, or wavy, faces usually arachnose, floccose, lanate, tomentose, or villous, sometimes unevenly glabrate.
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Heads radiate or discoid, borne singly or (2–40+) in corymbiform arrays.
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Involucres hemispheric or campanulate to turbinate, 8–12+ mm diam.
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Phyllaries persistent, usually 8, 13, or 21 in (1–) 2 series, erect, distinct (margins interlocking), lance-linear to lanceolate or oblong, equal, margins ± scarious (abaxial faces usually arachnose, floccose, lanate, tomentose, or villous, sometimes unevenly glabrate).
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Receptacles flat or ± dome-shaped (not conic), smooth, epaleate.
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Ray-florets 0 or mostly 8, 13, or 21, pistillate, fertile;
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corollas usually yellow, orange, or orange-yellow, sometimes ochroleucous or white [brick-colored, purplish] (laminae usually 5–20 mm, sometimes 1–3 mm).
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Disc-florets 30–80+, bisexual, fertile;
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corollas usually yellow, orange, or orange-yellow, sometimes ochroleucous or white [brick-colored, purplish], tubes longer than or equaling campanulate throats, lobes 5, erect or recurved, lance-linear (anther collars cylindric);
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style-branches: stigmatic areas continuous, apices rounded-truncate.
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Cypselae ± cylindric, 10-ribbed or nerved, glabrous or puberulent;
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pappi persistent, of 30–60+, white, whitish, or brownish, barbellulate bristles (equaling or slightly exceeding involucres, sometimes exceeding involucres to 10 mm in T. palustris).
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