Ceratophyllaceae


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Related to Ceratophyllaceae: Ceratophyllum

Ceratophyllaceae

[‚ser·ə·tō·fə′lās·ē‚ē]
(botany)
A family of rootless, free-floating dicotyledons in the order Nymphaeales characterized by unisexual flowers and whorled, cleft leaves with slender segments.

Ceratophyllaceae

 

a family of monoecious dicotyledonous plants containing the single genus Ceratophyllum. The plants are rootless perennial aquatic grasses with whorls of forked, dissected, sessile leaves. The tiny flowers are unisexual, solitary, and axillary. The calycine perianth consists of eight to 12 sections joined at the base. The fruit is a nut with a persistent thorny stem. Pollination occurs underwater.

References in periodicals archive ?
2000), the ANITA grade (Amborellaceae, Nymphaeales, Austrobaileyaceae, Trimeniaceae, and Illiciales) plus Chloranthaceae and Ceratophyllaceae, exclusively contain S-type plastids.
Alismataceae, Cabombaceae, Ceratophyllaceae, Rhizophoraceae, Typhaceae), or are families with species that probably recently colonized from elsewhere in the Southern Hemisphere (Coriariaceae, Winteraceae) or from the Northern Hemisphere (Betulaceae, Cornaceae), with no or limited divergence since their arrival.