Home >> Checklist: PSC 5550/6550 Set 2 Weeds >> Previous version of Key >> Identification Key (new version): PSC 5550/6550 Set 2 Weeds
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Plant
habit
vines / lianas
grass-like
special groups
composites
spurges
dicots
monocots
longevity
annual or biennial
perennial
sap
latex absent (sap clear)
latex present
Leaves
arrangement/phyllotaxy
basal
alternate
opposite
whorled
blade division
all simple
deeply lobed or divided
some or all fully compound
leaf (blade) presence
leaf blades present
no leaves apparent
leaf attachment
sessile or nearly so
leaf stalk (petiole) clearly present
sheathing
Flower
principal flower color
white or cream
purple
green
yellow
orange
red
pink
inconspicuous
flower type
daisy- or dandelion-like
radial symmetry 4 petals
radial symmetry 5 petals
petals indistinguishable
ovaries/pistils per flower
1
more than 5
Fruit or Cone
fruit consistency at maturity
dry/leathery
fleshy
mature fruit dehiscence
opening along 1-2 seams
opening along 3 to many seams
does not split open to release seed