Australian Tropical Rainforest Plants - Online edition
This refers to the first pair of fully developed, normal leaves. These
leaves may be simple or compound.
There are two basic leaf types: simple
leaves and compound leaves. Simple leaves have buds or shoots in all forks
formed by petioles and the stem. Compound leaves appear to have neither
buds nor shoots in the forks formed by what appear to be the petioles and the
stem. This results from the fact that the apparent leaves are in fact
leaflets, and constitute a portion of a compound leaf. The leaf proper
consists of a number of leaflets, and a central stem-like axis to which the
leaflets are attached. Buds and new shoots occur in the fork formed by the
compound leaf axis and the true stem.
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