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A small shallow sharp
projection or bump in a plant surface or edge (as along the margin
of a leaf) |
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  A
plant part or organ with the shape of an animal tooth.
Left: Tooth on a leaf margin.
Right: Teeth on the angle of a quadrangular stem of
Huernia macrocarpa
Lobe vs. tooth: It is not clear what is the
difference between teeth and lobes; a general but not exhaustive
definition is: “ Lobes are marginal indentations that reach ¼ or
more of the distance to the midvein, measured parallel to the
axis of symmetry of the lobe, tooth are less than ¼”
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Differentiating secondary from
primary teeth:
Tooth type is broken into two
categories: primary and secondary (or “teeth on teeth”).
Secondary teeth have markedly unequal amounts of incision, with
one sinus being less incised than the other.
Secondary teeth are typically associated with veins of markedly
thinner
measure relative to veins in neighbouring primary teeth. |
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Solitary tooth : When there
is no superjacent primary tooth the tooth is called “solitary” . |
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