What is type of leaf base are in these figure

Biology 2e
2nd Edition
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark
Chapter30: Plant Form And Physiology
Section: Chapter Questions
Problem 16RQ: Leaflets are a characteristic of leaves ______ . alternate whorled compound opposite
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What is type of leaf base are in these figures?

The base of the leaf may be cordate or heart-shaped when the outline of its rounded base is
tErned in forming a sinus where the petiole is attached; auricled or eared, when with a pair of small
projections at the base; sagitate or arrow-shaped when the ears or lobes are acute and turned
downwards; hastate when the acute basal lobes point outwards and oblique or inequilateral when the
two sides of the base are unequal or not at the same level A peltate or skield-shaped leaf has the
petiole attached to the lower surface and towards the center of the blade some distance from the base,
the ribs or veins of the leaf radiating from the point of insertion, the leaf appearing somewhat like an
umbrella.
Transcribed Image Text:The base of the leaf may be cordate or heart-shaped when the outline of its rounded base is tErned in forming a sinus where the petiole is attached; auricled or eared, when with a pair of small projections at the base; sagitate or arrow-shaped when the ears or lobes are acute and turned downwards; hastate when the acute basal lobes point outwards and oblique or inequilateral when the two sides of the base are unequal or not at the same level A peltate or skield-shaped leaf has the petiole attached to the lower surface and towards the center of the blade some distance from the base, the ribs or veins of the leaf radiating from the point of insertion, the leaf appearing somewhat like an umbrella.
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