Bidens aristosa (Michaux) Britton (Q2556)
Bidens aristosa is a taxon with the rank species within the genus Bidens
| Language | Label | Description | Also known as |
|---|---|---|---|
| English |
Bidens aristosa (Michaux) Britton
|
Bidens aristosa is a taxon with the rank species within the genus Bidens
|
Statements
taxon/id/Bidens aristosa (Michaux) Britton
0 references
Bidens aristosa (Michaux) Britton
Bidens aristosa
(Michaux) Britton
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
midwestern tickseed-sunflower (English)
1 reference
CA-ON
present
introduced
1 reference
Newmaster, S.G. & S. Ragupathy. 2005. Flora Ontario - Integrated Botanical Information System (FOIBIS), Phase I. University of Guelph, Canada. http://www.uoguelph.ca/foibis http://www.uoguelph.ca/foibis/
CA-ON
1 reference
US-AL
1 reference
US-AR
1 reference
US-DC
1 reference
US-IL
1 reference
US-IN
1 reference
US-KY
1 reference
US-LA
1 reference
US-MD
1 reference
US-MI
1 reference
US-MN
1 reference
US-MO
1 reference
US-NC
1 reference
US-SC
1 reference
US-TN
1 reference
US-TX
1 reference
US-VA
1 reference
Leaves: petioles 10–30 mm;
1 reference
blades lanceolate to lance-linear overall, 30–80 (–150) × 10–30 (–50) mm, usually laciniately pinnatisect, primary lobes 3–7+, 15–60+ × 2–20 mm, bases cuneate, ultimate margins laciniate to serrate, ciliate, apices acuminate, faces glabrous or sparsely scabrellous.
1 reference
Heads in ± corymbiform arrays.
1 reference
Peduncles (10–) 30–80+ mm.
1 reference
Calyculi of 8–12 (–16) usually spreading to reflexed, linear, seldom foliaceous bractlets (4–) 5–7 (–12) mm, margins entire, ciliate, abaxial faces glabrous or ± scabrellous.
1 reference
Involucres ± hemispheric or broader, 6–8 (–12) × 10–15 mm.
1 reference
Phyllaries 7–8 (–13), lanceovate to lance-linear, 6–8 (–12) mm.
1 reference
Ray-florets (5–) 8–10+;
1 reference
laminae yellow, 10–25 mm.
1 reference
Disc-florets (12–) 20–40+;
1 reference
corollas yellowish, 2–3+ mm.
1 reference
Cypselae redbrown to blackish, ± flattened (unequally 3–4-angled), broadly cuneate, outer (4–) 5–6 mm, inner 5–7 mm (lengths mostly 1.5–2.5 times widths), margins (± corky-winged) patently to antrorsely barbed, apices truncate to concave, faces weakly striate, sometimes tuberculate, glabrous or sparsely strigillose;
1 reference
pappi 0, or of 2 (–4) spreading to divergent, antrorsely or retrorsely barbed awns (0.5–) 2–4 (–6) mm.
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
pinnatisect
usually laciniately
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