Australian Tropical Rainforest Plants - Online edition
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![](../../images/features/l_midrib_appearance/char_l29.jpg)
L29 distinctly raised on the upper surface
![](../../images/features/l_midrib_appearance/char_l30.jpg)
L30 distinctly depressed on the upper surface
![](../../images/features/l_midrib_appearance/char_l31.jpg)
L31 more or less flush with the upper surface
In fresh leaves, the main central vein, or midrib, of the leaf blade (or leaflet blade in the case of compound leaves). We recommend that this feature is used cautiously.
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