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Plant
habit
trees
shrubs
herbaceous
cactus-like / succulents
longevity
annual or biennial
perennial
stature
prostrate
erect or ascending; neither prostrate nor scapose
armature
unarmed
armed
leaves/twigs aromatic when crushed
without marked odor
clearly odiferous
Leaves
arrangement/phyllotaxy
basal
alternate
opposite
fascicled/clustered along stem
blade division
all simple
deeply lobed or divided
some or all fully compound
stipules
stipules absent
stipules or their scars present
leaf (leaflet) margin
entire
toothed
lobed
fleshy or succulent leaves
not fleshy/succulent
fleshy/succulent
Flower
principal flower color
white or cream
purple
blue
green
yellow
orange
red
pink
inconspicuous
corolla (petal) fusion
petals separate
fused, at least toward base
ovary position
sepals/petals attached above middle of ovary (inferior or partly inferior ovary)
sepals/petals attached below middle of ovary (ovary superior)
Fruit or Cone
fruit consistency at maturity
dry/leathery
fleshy
Stem & Twigs
succulent vs non-succulent
succulent
not succulent