APPW key feature pages

The menu on the right is a list of pages you will find within the key to help in the appropriate use of the features in the key. Character states are also illustrated in the Lucid key.

Select an option from the menu >>

APPW key feature pages

• Aroid or aster?
• Aroids only - spadix and spathe type
• Asteraceae only - floret composition
• Asteraceae only - ray floret petal size and shape
• Duckweed (Lemnaceae) frond roots
• Duckweed (Lemnaceae) frond shape
• Flowering plant family
• Flower color
• Flower pedicel
• Flower symmetry
• Geographic origin
• Inflorescence - number of flowers
• Inflorescence - peduncle
• Inflorescence position
• Flowering plant or non-flowering plant
• Bract(s) subtending inflorescence
• Inflorescence type
• Leaf apex
• Leaf base
• Leaf - degree of dissection
• Leaf dissection - type
• Leaf distribution along stem
• Floating leaf shape in profile
• Leaf heterophylly
• Number of leaflets or lobes
• Leaf length (leaf or leaflet blade)
• Leaf margin
• Leaf midvein spines
• Leaf overall morphology
• Leaf or petiole bands or septae
• Leaf phyllotaxis (arrangement along stem)
• Leaf presence
• Leaf shape - rosette plants
• Leaf shape
• Leaf thickness
• Leaf venation
• Leaf attachment to stem
• Petiole length
• Petiole presence
• Petiole spines
• Petiole morphology
• Liverwort thallus shape
• Size and appearance of petals, tepals, or perianth segments
• Perianth constitution
• Perianth fusion
• Number of petals, tepals, or perianth segments
• Bulb or corm morphology
• Plant appearance (attached plants only)
• Plant attachment
• Plant habit - aquatic
• Plantlet production
• Plant structures for spreading vegetatively
• Plant type
• Plant type - flowering plants
• Root type and presence
• Spongy aerenchyma
• Stem appearance
• Stem presence
• Stem surface ribbing
• Stem shape in cross section
• Stipules present?
• Trapping organs