Gutierrezia Lagasca (Q2260)
Jump to navigation
Jump to search
Gutierrezia is a taxon with the rank genus within the tribe Astereae
| Language | Label | Description | Also known as |
|---|---|---|---|
| English |
Gutierrezia Lagasca
|
Gutierrezia is a taxon with the rank genus within the tribe Astereae
|
Statements
taxon/id/Gutierrezia Lagasca
0 references
Gutierrezia Lagasca
Gutierrezia
Lagasca
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
1 reference
Annuals, perennials, or subshrubs, 10–150 (–200) cm (taprooted).
1 reference
Stems erect to ascending, usually branched, glabrous or papillate-scabrous to minutely hispidulous or scabro-hirtellous.
1 reference
sessile or petiolate (decurrent);
1 reference
blades (1–5-nerved) linear to lanceolate or spatulate, margins entire (sometimes scabroso-ciliate), faces glabrous or minutely hairy, gland-dotted (sometimes obscurely), resinous.
1 reference
Heads radiate, borne singly or (3–6) in clusters or glomerules.
1 reference
Involucres cylindric to campanulate, (2–11.5 ×) 0.8–7.5 mm.
1 reference
Phyllaries 4–40 in 2–4 series (stramineous), 1-nerved or 3-nerved, (sometimes strongly convex or keeled), ovate to lanceolate, unequal, bases white-indurate, margins narrowly scarious, abaxial faces glabrous or sparsely hispidulous or hirtellous.
1 reference
Receptacles flat to conic, pitted (hairy, hairs 1-seriate, swollen, apically hooked), epaleate.
1 reference
Ray-florets 1–30, pistillate, fertile;
1 reference
corollas yellow or white (laminae coiling).
1 reference
Disc-florets 1–150, bisexual, fertile, sometimes functionally staminate;
1 reference
corollas yellow or white, tubes shorter than funnelform throats, lobes 5, erect, short-deltate;
1 reference
style-branch appendages linear-lanceolate.
1 reference
Cypselae (light tan to purplish black) clavate or cylindric, not compressed, 5–8-nerved, hairy (glabrous in G. wrightii; hairs white, usually arising primarily from between ribs, appearing to occur in longitudinal lines, usually obscuring faces, apices acute or blunt with terminal cells slightly divergent, or clavate to bulbous);
1 reference
pappi persistent or readily falling, coroniform or of 5–10 whitish, irregular, sometimes ± connate, often erose-margined, scales in 1–2 series (usually longer in discs than rays).
1 reference
1 reference
1 reference
1 reference
papillate-scabrous
minutely hispidulous or scabro-hirtellous
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
lanceolate or spatulate
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
connate
sometimes 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
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference