Taraxacum laurentianum Fernald (Q3186)
Jump to navigation
Jump to search
Taraxacum laurentianum is a taxon with the rank species within the genus Taraxacum
| Language | Label | Description | Also known as |
|---|---|---|---|
| English |
Taraxacum laurentianum Fernald
|
Taraxacum laurentianum is a taxon with the rank species within the genus Taraxacum
|
Statements
taxon/id/Taraxacum laurentianum Fernald
0 references
Taraxacum laurentianum Fernald
Taraxacum laurentianum
Fernald
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 19: Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York.
accepted
1 reference
pissenlit du golfe du Saint-Laurent (French)
1 reference
Gulf of St. Lawrence dandelion (English)
1 reference
CA-QC
1 reference
Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.
Newfoundland, CA
present
1 reference
Meades, S., S.G. Hay & L. Brouillet. 2000. Annotated Checklist of the Vascular Plants of Newfoundland and Labrador. Published in association with A Digital Flora of Newfoundland and Labrador Vascular Plants. http://www.digitalnaturalhistory.com/meades.htm (consulted 2009-09-02) http://www.digitalnaturalhistory.com/meades.htm
Labrador, CA
doubtful
1 reference
CA-NL
Nfld. and Labr. (Nfld.)
1 reference
CA-QC
1 reference
taproots branched.
1 reference
Stems 1–5+, erect to ascending, purplish, (usually exceeding leaves), glabrate to sparsely villous, sometimes more densely so distally.
1 reference
sessile to ± broadly winged-petiolate;
1 reference
blades oblanceolate (some younger leaves ± runcinate at least proximally), 10–30 × 2–4 cm, bases cuneate to attenuate, margins sometimes ± deeply lobed (younger leaves), usually toothed, larger teeth well developed, lobelike, retrorse to antrorse, lanceolate to triangular or sometimes deltate, sometimes double, acuminate, apices obtuse, faces adaxially sparsely pilose or glabrate (denser on midveins), abaxially glabrous or glabrate.
1 reference
Calyculi 15–18, ascending, later spreading and recurving, greenish or purplish, broadly lanceolate to narrowly ovate (herbaceous) bractlets in 2–3 series, 15–21 × 3.5–5.5 mm, margins hyaline, often purplish, narrowly scarious, apices long to short-acuminate, strongly horned, tips purplish, scarious, erose.
1 reference
Involucres green, broadly campanulate, 18–26 mm.
1 reference
Phyllaries 18–25 in 2 series, lanceolate (outer) to ovatelanceolate (inner), 2.5–5.2 mm wide, margins scarious narrowly or not (outer) to broadly so proximally and narrowly distally (inner), apices long-acuminate (sometimes tapered), strongly horned, tips scarious, purplish black, erose.
1 reference
Florets ca. 150+;
1 reference
corollas yellow (abaxially gray-striped, becoming purplish in drying), 14–25 × 0.8–1.5+ mm.
1 reference
Cypselae grayish-olivaceous to tan or olivaceous straw, bodies oblanceoloid to obovoid, 3.2–4 mm, cones narrowly conic, 0.9–1.2 mm, beaks slender, 10–17 mm, ribs 5 (wide) –14 (narrow), faces proximally ± tuberculate (sometimes ribs smooth), muricate in distal 1/3–1/2;
1 reference
pappi creamy, 8–9.5 mm. 2n = 40 [unpublished].
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
sessile
more or less broadly winged-petiolate
1 reference
1 reference
1 reference
1 reference
1 reference
sometimes more or less deeply
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
broadly lanceolate
narrowly ovate
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
tuberculate
proximally more or less
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
grayish-olivaceous
tan or olivaceous straw
1 reference
1 reference