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

simple
trifoliate
pinnate
palmate
I do not know

Leaf shape

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

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

round or oval
square or multi-edged
I do not know

Stem hairs

has 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

Present
Not Present
I do not know

Dominant flower color

blue

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

Flower symmetry

I do not know

radial symetery
disymetry
bilateral symetry
not symmetrical
I do not know

Flower diameter

I do not know

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

(27 weeds)
Asiatic dayflower
black nightshade
Carolina geranium
chicory
Chinese wisteria
common speedwell
common viper's bugloss
corn gromwell
corn speedwell
creeping lespedeza
cutleaf geranium
Florida beggarweed
garden cornflower
germander speedwell
green field speedwell
ivyleaf morning-glory
ivyleaf speedwell
perplexed ticktrefoil
Persian speedwell
purple passionflower
purslane speedwell
smallflower morningglory
spurred anoda
tall globethistle
tall morning-glory
threadstalk speedwell
wild basil

Scientific Name

(27 weeds)
Anoda cristata
Buglossoides arvensis
Centaurea cyanus
Cichorium intybus
Clinopodium vulgare
Commelina communis
Desmodium perplexum
Desmodium tortuosum
Echinops exaltatus
Echium vulgare
Geranium carolinianum
Geranium dissectum
Ipomoea hederacea
Ipomoea purpurea
Jacquemontia tamnifolia
Lespedeza repens
Passiflora incarnata
Solanum nigrum
Veronica agrestis
Veronica arvensis
Veronica chamaedrys
Veronica filiformis
Veronica hederifolia
Veronica officinalis
Veronica peregrina
Veronica persica
Wisteria sinensis

Image of Virginia Cooperative Extension logo