These are the most frequently used words in this book.
1981
above
acute
al
almost
america
apex
basal
base
bearing
bechtel
blade
botanical
bracts
brazil
brown
callus
central
cm
column
cultivated
dark
diameter
elliptic
erect
et
figure
florets
flowering
flowers
g2
genus
green
greenish
hairless
hairy
illustration
inflorescence
lanceolate
lateral
leaf
leaves
lemma
less
lindley
lip
lobes
long
longer
lower
magazine
manual
margins
mm
narrowly
oblong
often
orchid
ovary
ovate
pale
panicle
part
petals
pink
plant
pseudobulbs
purple
purplish
raceme
rarely
red
reddish
reichenbach
sepals
sheaths
short
shorter
side
similar
slender
slightly
small
sometimes
spathe
species
spikelets
spots
spreading
stalk
stems
summer
upper
usually
veins
white
wide
without
yellow
yellowish