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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
EPIPHYTES on trees or rocks
consider the other alternative
Leaves with parallel
venation
, or
terete
. Pseudobulbs and
aerial roots
with
velamen
often present (Fig. 41)
Orchidaceae
consider the other alternative
Plants epiphytic on trees, logs, rocks
consider the other alternative
Leaves
linear
, many times longer than broad
consider the other alternative
Leaves basal, flat or folded. Plants
tufted
choose this alternative
reject this alternative
Column
elongate,
incurved
, shortly winged at the top
Cestichis
choose this alternative
reject this alternative
Column
erect or slightly
incurved
at the top, semi-
terete
Cymbidium