Virginia Tech logo 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

I do not know

simple
trifoliate
pinnate
palmate
I do not know

Leaf shape

oval

round
heart
needle
lance
oval
spatulate
triangle
I do not know

Leaf arrangement

alternate
opposite
whorled
rosette
leaves not present
I do not know

Leaf margin

entire
lobed
serrated
wavy
I do not know

Leaf stalk

shorter than leaf

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

I do not know

Present
Not Present
I do not know

Dominant flower color

white
yellow
blue
purple
red
orange
pink
green
I do not know

Flower symmetry

radial symetery
disymetry
bilateral symetry
not symmetrical
I do not know

Flower diameter

pencil
dime
nickle
quarter
half dollar
larger
I do not know

Lifecycle

summer annual

winter annual
summer annual
biennial
perennial
I do not know

Root structure

I do not know

fibrous
taproot
rhizomes present
stolons present
bulb/corm/enlarged stem/nutlet
I do not know

Common name

(33 weeds)
American burnweed
arrowleaf sida
black medic
common cocklebur
common mullein
common ragweed
common sunflower
common vetch
eastern black nightshade
eastern daisy fleabane
field pansy
Florida beggarweed
green field speedwell
hog peanut
hophornbeam copperleaf
Japanese clover
jewelweed
jimsonweed
mayweed chamomile
prairie fleabane
prickly sida
prostrate knotweed
prostrate pigweed
roughfruit amaranth
sensitive partridge pea
showy rattlebox
sicklepod
slender amaranth
smooth pigweed
spiny amaranth
spurred anoda
toothed spurge
whitestar

Scientific Name

(33 weeds)
Acalypha ostryifolia
Amaranthus albus
Amaranthus hybridus
Amaranthus spinosus
Amaranthus tuberculatus
Amaranthus viridis
Ambrosia artemisiifolia
Amphicarpa bracteata
Anoda cristata
Anthemis cotula
Chamaecrista nictitans ssp. nictitans var. nictitans
Crotalaria spectabilis
Datura stramonium
Desmodium tortuosum
Erechtites hieracifolia
Erigeron annuus
Erigeron strigosus
Euphorbia dentata
Helianthus annuus
Impatiens capensis
Ipomoea lacunosa
Kummerowia striata
Medicago lupulina
Polygonum aviculare
Senna obtusifolia
Sida rhombifolia
Sida spinosa
Solanum ptycanthum
Verbascum thapsus
Veronica agrestis
Vicia sativa
Viola bicolor
Xanthium strumarium

Image of Virginia Cooperative Extension logo