Jepson Flora Project: Jepson Interchange    

 
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Jepson Interchange (more information)
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MARSILEACEAE

MARSILEA FAMILY

Alan R. Smith and Thomas Lemieux

Plant generally aquatic, generally rooted in, often stranded on mud; rhizome creeping, slender, branched
Leaves floating, emergent, or out of water, ± alike; blade 1-palmate or 0, << petiole; veins not or repeatedly forked, free or netted
Sporangia in stalked, spheric or ± flat-ovoid, hard cases of 1 kind, near petiole base
Spores large (female) and small (male), in separate sporangia
Genera in family: 3 genera, ± 70 species: especially temp.
Retrieve key for MARSILEACEAE
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