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Keys
Vascular plant groups
Club mosses
Ferns
Vegetative key to families
Gymnosperms
Flowering plants
Genera
Families
Vegetative key to the families
Vegetative Key
Vegetative key to the families
consider the other alternative
LEAVES REDUCED TO SCALES ON THE AERIAL STEMS
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Saprophytic herbs (one a climber) usually without chlorophyll
Orchidaceae
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Plants epiphytic on trees, logs, rocks
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Leaves short, usually no more than 5 times longer than broad
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reject this alternative
Pseudobulbs usually present.
Lateral
sepals dilated at the base and united with the projecting foot of the
column
to form a
spur
.
Labellum
not spurred
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reject this alternative
Pseudobulbs absent