VT Logo
College of Agriculture and Life Sciences
Start Over
Plant type
Broadleaf
Broadleaf
Grass or grass like
Other
If you find errors in this application, please contact
Weed ID Developers
.
Growth habit
upright and nonwoody
prostrate and nonwoody
vine
woody bush or tree
I do not know
Leaf structure
simple
trifoliate
pinnate
palmate
I do not know
Leaf shape
round
heart
needle
lance
oval
spatulate
triangle
I do not know
Leaf arrangement
I do not know
alternate
opposite
whorled
rosette
leaves not present
I do not know
Leaf margin
serrated
entire
lobed
serrated
wavy
I do not know
Leaf stalk
none
shorter than leaf
longer than leaf
I do not know
Leaf hairs
has hairs
no hairs
I do not know
Stem cross section
round or oval
square or multi-edged
I do not know
Stem hairs
has hairs
no hairs
I do not know
Thorns or spines
Present
Not Present
I do not know
Ochrea
Present
Not Present
I do not know
Milky sap
Not Present
Present
Not Present
I do not know
Dominant flower color
pink
white
yellow
blue
purple
red
orange
pink
green
I do not know
Flower symmetry
radial symetery
radial symetery
disymetry
bilateral symetry
not symmetrical
I do not know
Flower diameter
dime
pencil
dime
nickle
quarter
half dollar
larger
I do not know
Lifecycle
winter annual
summer annual
biennial
perennial
I do not know
Root structure
fibrous
taproot
rhizomes present
stolons present
bulb/corm/enlarged stem/nutlet
I do not know
Common Name
Scientific Name
Common name
(6 weeds)
American burnweed
Canada thistle
horseweed
rabbitfoot clover
spiny plumeless thistle
wild basil
Scientific Name
(6 weeds)
Carduus
acanthoides
Cirsium
arvense
Clinopodium
vulgare
Conyza
canadensis
Erechtites
hieracifolia
Trifolium
arvense