BioGator
University of Florida
Log In
New Account
Sitemap
Home
Search
Search Collections
Map Search
Images
Image Browser
Search Images
Checklists
UF Conservation Areas
UF Main Campus
Interactive Tools
Dynamic Checklist
Dynamic Key
Discover Campus Biodiversity
How to Use BioGator
Other Resources
UF Conservation Area Maps
About BioGator
The BioGator Team
Eupatorium compositifolium
Walter
Family:
Asteraceae
Yankeeweed
northfloridacritters
FNA
Resources
Kunsiri Chaw Siripun, Edward E. Schilling in Flora of North America (vol. 21)
Perennials,
50-200 cm.
Stems
(from short caudices) single, branched distally, puberulent throughout (lateral buds often develop fertile and infertile branches).
Leaves
opposite (proximal) or alternate (lateral buds dormant or producing 1 pair of leaves); sessile; blades (often pinnately or ternately lobed) or lobes pinnately nerved, linear, 20-80 × 0.5-2.5(-4) mm, bases cuneate, margins entire, apices acuminate, faces puberulent, gland-dotted.
Heads
in paniculiform arrays.
Phyllaries
7-10 in 2-3 series, (sometimes purple) elliptic to oblong, 1-3 × 0.5-0.8 mm, (margins hyaline) apices acuminate and mucronate, abaxial faces puberulent (mostly on midveins), usually gland-dotted.
Florets
5; corollas (sometimes with purple throats) 2.5-3 mm.
Cypselae
1-1.7 mm;
pappi
of 20-30 bristles 3-3.5 mm.
2
n
= 20. Flowering Aug-Oct. Open or slightly shaded, wet sites, sand dunes, disturbed areas, roadsides, flatwoods; 10-200+ m; Ala., Ark., Fla., Ga., Ky., La., Miss., N.C., Okla., S.C., Tenn., Tex., Va.
Open Interactive Map
mandrill
myryth
Sam Mwenda
mbelitz
Mark Kenderdine
botanistsean
Tom Palmer
Adam Arendell
tyleroshaw
Matt Reala
Robert LaPlante
Tom Palmer
spicegremlin
madisongray2001
Jared Gorrell
Robert LaPlante
JeffreyGammon
marylusk
Emmy Krapf
Jared Gorrell
marylusk
northfloridacritters
sassypigeon
obrock
barbijd92
northfloridacritters
Nate Martineau
Robert LaPlante
mfeaver
Scott Allen Davis
melyssa f-z
Robert LaPlante
tyleroshaw
Robert Lasley
leehoffman17
Alex Abair
Alan Weakley
trekker815
Robert LaPlante
northfloridacritters
chaseyb
ntitelbaum
mp_flcc
team_bingebirder
Alice Herden
Scott Allen Davis
flashberry
bes_7_scottyf
northfloridacritters
Keith Bradley
Joshua Doby
halldl
Scott Allen Davis
melyssa f-z
nattymayhend
Eric Blomberg
Alex Abair
athena_wildweeds
trekker815
Joseph Hubbard
Nate Martineau
Robert LaPlante
ntitelbaum
chaseyb
Adam Pitcher
Elle Reed
Sam Mwenda
northfloridacritters
Arturo Santos
flashberry
reedm13
Adam Arendell
Alice Herden
gsteinig
Donna Kaluzniak
Scott Allen Davis
Eric M Powell
buzz_about_gales
paws1985
kyva
Emmy Krapf
northfloridacritters
Joshua Doby
missmyla
Robert LaPlante
Robert LaPlante
Peter and Kim Connolly
chaseyb
mandrill
kayshakapadia
Sam Mwenda
mbelitz
priest-hood
botanistsean
jillian-provost
Adam Arendell
cianchetti
saperell
barbijd92
Click to Display
100 Initial Images
- - - - -
View All Images
This project made possible through support from the UF Planning, Design & Construction and the UF Office of Sustainability
Powered by
Symbiota
.