Tripleurospermum Schultz-Bipontinus (Q2121)
Tripleurospermum is a taxon with the rank genus within the subtribe Anthemidinae
| Language | Label | Description | Also known as |
|---|---|---|---|
| English |
Tripleurospermum Schultz-Bipontinus
|
Tripleurospermum is a taxon with the rank genus within the subtribe Anthemidinae
|
Statements
taxon/id/Tripleurospermum Schultz-Bipontinus
0 references
Tripleurospermum Schultz-Bipontinus
Tripleurospermum
Schultz-Bipontinus
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
Stems 1–5+, usually erect or ascending, sometimes procumbent, branched or simple, glabrous or sparsely hairy (hairs basifixed).
1 reference
petiolate or sessile;
1 reference
blades oblong, 1–3-pinnately lobed, ultimate margins crenate or serrate, faces glabrous or sparsely hairy.
1 reference
Heads radiate [discoid or disciform], borne singly or in corymbiform arrays.
1 reference
Involucres hemispheric to patelliform, 8–12+ mm diam.
1 reference
Phyllaries persistent, 28–60+ in 2–5 series, distinct, broadly ovate, unequal to subequal, margins and apices (pale to dark-brown or black) narrowly to widely scarious (abaxial faces glabrous).
1 reference
Receptacles convex to conic (± solid), epaleate.
1 reference
Ray-florets [0] 10–34+, pistillate, fertile;
1 reference
corollas white [seldom pinkish], laminae mostly oblong.
1 reference
Disc-florets 300–500, bisexual, fertile;
1 reference
corollas yellow [greenish], tubes cylindric (sessile-glandular), throats narrowly campanulate (cylindric or compressed), lobes 5, deltate (with resin sacs).
1 reference
Cypselae trigonous, ± compressed (apices truncate), ribs 3–5 (0–2 abaxial, 2 lateral, 1 adaxial, usually whitish, relatively thick, smooth), faces often rugose or tuberculate abaxially and between ribs and glabrous (pericarps sometimes with myxogenic cells and usually 2–3, sometimes 1–5, abaxial-apical resin sacs; embryo-sac development tetrasporic);
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