Life Span
- annual
- biennial
- perennial
Plant Habit
- herb
- subshrub (= suffrutescent)
- shrub
- tree
- succulent
- vine
- liana
Plant organs
Root types
- tap root
- fibrous root
- adventitious root
Stem types
- aerial stem
- rhizome
- stolon
- bulb
- corm
- tuber
Stem features
- node
- internode
- axil
- bud
- axillary bud
- terminal bud
- bud scales
- bud scale scars
- stipule scars
- leaf scar
Leaf persistence
Leaf parts
- leaf blade
- petiole
- stipules
Leaf complexity
- simple leaf
- compound leaf
- petiolule
- leaflet
- rachis
- pinnately compound
- bipinnately compound
- pinna (pinnae)
- petiolule
- palmately compound
- trifoliolate
- trifoliate
Leaf attachment
- petiolate
- sessile
- subsessile
- perfoliate
- clasping
- sheathing
Leaf arrangement
- basal
- cauline
- alternate
- opposite
- whorled
Leaf venation
- pinnate venation
- palmate venation
- parallel venation
Leaf blade shape
- linear
- oblong
- lanceolate
- oblanceolate
- ovate
- obovate
- elliptic
- orbicular
- reniform
Leaf apices
- acute
- acuminate
- obtuse
- mucronate
Leaf bases
- acute
- acuminate
- obtuse
- cordate
- oblique
- peltate
Leaf margins
- entire
- crenate
- serrate
- dentate
- lobed
- pinnately lobed
- palmately lobed
Surface features
- glabrous
- pubescent
- stellate
- glandular
Special features
- tendril
- thorn
- spine
- stipular spines
- prickle
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