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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
rosette
alternate
opposite
whorled
rosette
leaves not present
I do not know
Leaf margin
entire
lobed
serrated
wavy
I do not know
Leaf stalk
I do not know
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
Not Present
Present
Not Present
I do not know
Milky sap
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
quarter
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
(9 weeds)
bull thistle
chicory
common blue violet
common dandelion
common evening primrose
cutleaf evening primrose
perennial sowthistle
spiny plumeless thistle
spiny sowthistle
Scientific Name
(9 weeds)
Carduus
acanthoides
Cichorium
intybus
Cirsium
vulgare
Oenothera
biennis
Oenothera
laciniata
Sonchus
arvensis
Sonchus
asper
Taraxacum
officinale
Viola
sororia