Taraxacum alaskanum Rydberg (Q3178)
Jump to navigation
Jump to search
Taraxacum alaskanum is a taxon with the rank species within the genus Taraxacum
| Language | Label | Description | Also known as |
|---|---|---|---|
| English |
Taraxacum alaskanum Rydberg
|
Taraxacum alaskanum is a taxon with the rank species within the genus Taraxacum
|
Statements
taxon/id/Taraxacum alaskanum Rydberg
0 references
Taraxacum alaskanum Rydberg
Taraxacum alaskanum
Rydberg
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
CA-BC
1 reference
Klinkenberg, B. (ed.). 2010+. E-Flora BC: Electronic Atlas of the Plants of British Columbia. Lab. for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver, B.C. http://www.eflora.bc.ca http://www.eflora.bc.ca/
CA-YT
1 reference
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. http://www.efloras.org/volume_page.aspx?volume_id=1019&flora_id=1
CA-NT
1 reference
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. http://www.efloras.org/volume_page.aspx?volume_id=1019&flora_id=1
CA-YT
1 reference
US-AK
1 reference
Plants (1.5–) 3–9 (–16, mostly in fruit) cm;
1 reference
taproots sometimes branched.
1 reference
Stems 1–3+, ascending, proximally purplish, glabrous or glabrate.
1 reference
Leaves fewer than 10, horizontal to patent (green);
1 reference
blades oblanceolate or narrowly oblong (usually runcinate), (1.5–) 2.2–11.6 × 0.4–2.2 cm, bases attenuate, margins usually lobed regularly, ± deeply, in 3–5 (–6) pairs, occasionally (younger) only toothed or denticulate, lobes usually retrorse, occasionally straight or antrorse, triangular to narrowly triangular, terminals often largest, acuminate to acute-rounded, sometimes toothed, teeth 0 (–1) on lobes or sinuses, triangular, apices obtuse to acute, faces glabrous.
1 reference
Calyculi of 7–9, spreading, becoming reflexed to revolute, often purplish, particularly adaxially, ovate to lanceovate or elliptic bracklets in 2 series, 2.5–4.5 × 1.7–2.7 mm, margins not or narrowly scarious, hyaline, apices acuminate to caudate, tips sometimes flaring, scarious, erose, hornless.
1 reference
Involucres dark green, often glaucous, often purplish, particularly adaxially, cylindro to narrowly campanulate, 9–14 mm.
1 reference
Phyllaries 7–8 in 3 series, lanceolate, 1.4–2.6 (–4) mm wide, margins not scarious (some outer) to narrowly scarious, apices long-acuminate, tips purplish or grayish, often flared, scarious, hornless.
1 reference
corollas yellow (gray-striped abaxially, sometimes becoming orange purplish with age on drying), outer 11–14 × 1.5–2.4 mm.
1 reference
Cypselae maroon to brown or reddish-brown, sometimes grayish, bodies oblanceoloid (sometimes narrowly), 3–3.8 mm, cones conic, 0.8–1 mm, beaks stout, 3–6 mm, ribs 15 narrow (6 prominent), faces proximally ± tuberculate, ± muricate in distal 1/3–1/2 (or less);
1 reference
pappi white to yellowish, 4–6.5 mm. 2n = 24, 32 (as T. kamtschaticum).
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
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
1 reference
1 reference
tuberculate
proximally more or less
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference