Wyethia Nuttall (Q2805)
Jump to navigation
Jump to search
Wyethia is a taxon with the rank genus within the tribe Heliantheae
| Language | Label | Description | Also known as |
|---|---|---|---|
| English |
Wyethia Nuttall
|
Wyethia is a taxon with the rank genus within the tribe Heliantheae
|
Statements
taxon/id/Wyethia Nuttall
0 references
Wyethia Nuttall
Wyethia
Nuttall
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
1 reference
Stems erect (or bending erect from bases), branched mostly from bases.
1 reference
usually petiolate (basal), sometimes sessile;
1 reference
blades (usually pinnately nerved, basal larger than cauline) ± deltate, elliptic-ovate, lanceolate, lance-elliptic, lance-linear, or oblong-ovate, bases truncate to cuneate, margins usually entire, rarely dentate to serrate (sometimes ciliate), faces glabrous or hairy (sometimes glanddotted or finely stipitate-glandular).
1 reference
Heads radiate, borne singly or 2–5 (–8+) in ± corymbiform to racemiform arrays.
1 reference
Involucres hemispheric to campanulate or turbinate, 12–60+ mm diam.
1 reference
Phyllaries persistent, 12–36 (–48) in 2–3+ series (subequal to unequal, outer sometimes foliaceous, much larger than inner).
1 reference
Receptacles flat to convex, paleate (paleae conduplicate, at least bases, papery).
1 reference
Ray-florets 5–25+, pistillate, fertile;
1 reference
corollas mostly yellow (cream to white in W. helianthoides).
1 reference
Disc-florets 35–150+, bisexual, fertile;
1 reference
corollas yellow, tubes much shorter than cylindric throats;
1 reference
lobes 5, ± deltate to lanceolate (style-branches stigmatic in 2 barely distinct lines, appendages ± filiform).
1 reference
Cypselae ± prismatic, weakly 3–4-angled (faces glabrous or hairy);
1 reference
pappi 0, or persistent, coroniform (usually lacerate) or of 1–4+ ovate to subulate, erose to lacerate (often basally connate) scales.
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
hemispheric
campanulate or turbinate
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
of 1-4+ ovate to subulate , erose to lacerate scales
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