Jepson Flora Project: Jepson Interchange    

 
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Jepson Interchange (more information)
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  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

CERATOPHYLLACEAE

HORNWORT FAMILY

Fosiée Tahbaz

Annual, perennial herb, submerged aquatic, monoecious
Stem slender, well branched
Leaves whorled, repeatedly forked; divisions thread-like or narrow, ± stiff, minutely serrate
Inflorescence: flowers solitary in axils, sessile
Flower minute; perianth thin, many-parted; stamens 10–20, free; pistil generally 1, ovary sessile, chamber 1, ovule 1, style persistent
Fruit: achene, smooth to spiny. 1 genus.

CERATOPHYLLUM

HORNWORT

The only genus
Species in genus: ± 3 species: worldwide
Etymology: (Greek: horn leaf, from stiff leaf divisions)
Cult in pools, aquaria.

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