Australian Tropical Rainforest Plants - Online edition

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S19 with midrib alone or no veins visible
S20 penniveined
S21 three-veined
S22 with other types of venation

Cotyledons venation

The cotyledons are the seedling leaves. They appear above ground in seeds with epigeal germination only. Cotyledon features can be used for these seedlings only.  This character refers to the major veins in the cotyledon; these are the veins which extend from the midrib to the outer margin of the cotyledon.

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