Australian Tropical Ferns and Lycophytes - Online edition
4.2.4 Simple lamina base
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![](../../images/features/4_2.4_simple_lamina_base/thumbs/char_4_2_4_acute_sml.jpg)
Acute, attenuate to cuneate.
![](../../images/features/4_2.4_simple_lamina_base/thumbs/char_4_2_4_obtuse_sml.jpg)
Obtuse, cordate to hastate.
![](../../images/features/4_2.4_simple_lamina_base/thumbs/char_4_2_4_sheath_sml.jpg)
Base clasping or surrounding the stem.
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