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PPQ IDaids
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Bugwood ITP Node
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About
Tool background and scope
Aquatic plants trade
Aquatic plants on the U.S. FNW list
Tool components
Tool updates
Authors and acknowledgments
Copyright, citation, and disclaimers
References
Fact sheets
Key
How to use this key
Lucid best practices
Go to the key
Glossary
Gallery
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
choose a page
Home
About
--Tool background and scope
--Aquatic plants trade
--Aquatic plants on the U.S. FNW list
--Tool components
--Tool updates
--Authors and acknowledgments
--Copyright, citation, and disclaimers
--References
Fact sheets
Key
--How to use this key
--Lucid best practices
--Go to the key
Glossary
Gallery
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
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APPW key feature pages
Petiole length
petiole longer than blade
petiole not longer than blade (or absent)
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
