What are the three types of leaf arrangement Give one example from each.
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Answer:
There are three basic types of leaf arrangements found in trees and shrubs: alternate, opposite, and whorled.
alternate: In alternate-leaved plants, the leaves are single at each node and borne along the stem alternately in an ascending spiral. In opposite-leaved plants, the leaves are paired at a node and borne opposite to each other.Eg: sunflower, mustard and peepal.
opposite: single genus, Quisqualis (family Combretaceae), alternate leaves are borne on the stem, and opposite leaves are borne on the flowering shoots. In Eucalyptus, young branches have opposite leaves, whereas the leaf arrangement on older branches is alternate.
whorled: A plant has whorled leaves when there are three or more equally spaced leaves at a node. In angiosperm: General features. … outside) there would be a whorl of five sepals, followed by an alternating whorl of five petals, followed by an alternating set of five stamens. eg: Blackboard tree, Lemonwood, Japanese clethra