Home >> Checklist: PSC 5550/6550 Set 2 Weeds >> Key: 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

PSC 5550/6550 Set 2 Weeds

Corey V. Ransom and Heather Elwood
Species Count: 25

Amaranthaceae

Asteraceae

Brassicaceae

Convolvulaceae

Euphorbiaceae

Malvaceae

Poaceae

Ranunculaceae

Rubiaceae

Solanaceae

Zygophyllaceae