[C] Irregular Flowers

• Label the polypetalous flowers

  A) Papilionaceous

  B) Bilabiate

  C) Ceasalpinaceous

  D) Orchidaceous

  
• Papilionaceous

  • Corolla with five petals
  • Standard or banner - largest petal
  • Wings or alae - Two smaller petals at the sides of the banner
  • Carinae - 2 innermost petals
• Label this papilionaceous flower's petals:

  A) Standard or banner

  B) Wings or alae

  C) Carinae

  
• Bilabilate

  • Partially united
  • Corolla lobes - two divisions, upper libs and lower lips
  • Lips can also be called labellum
• Label this bilabiate flower's petals

  A) Upper lip

  B) Lower lip

  
• Caesalpinaceous

  • Corolla with five petals
  • Banner - smallest and innermost petal
  • Accessory petals - four equally sized and shaped petals
• Label this caesalpinaceous flower's petals:

  A) Banner

  B) Accessory petal

  
• Orchidaceous

  • Corolla with three petals, three sepals
  • Lip or labellum - central petal with different color
• What is this petal called in the orchidaceous flower?

  Labellum or lip