Bot-Lab (Sem-1) - Chapter 8: Dichotomous Key
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25 Terms
dichotomous key
a series of pairs of phrases or descriptions which are used to classify a group of living things by making choices between the sets of traits and characters
leaf
generally an expanded and flattened lateral outgrowth of the stem
leaf margins
the outer edge of a leaf blade
crenate
rounded teethlike margin
serrate
sawlike teeth pointing forward
sinuate
wavy
entire
smooth
dentate
sawlike teeth pointing outward
pinnately cleft
indentation about halfway to the midrib
pinnately parted
indentation more than halfway to the midrib
pinnately lobed
indentation less than halfway to the midrib
palmately parted
palmate indentation almost to the tip of the petiole
palmately cleft
palmate indentation about halfway to the tip of the petiole
palmately loved
indentation less than halfway to the tip of the petiole
Note 
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