Nymphaeales


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Nymphaeales

[‚nim·fē′ā·lēz]
(botany)
An order of flowering aquatic herbs in the subclass Magnoliidae; all lack cambium and vessels and have laminar placentation.
References in periodicals archive ?
Amborellales 1 1 Nymphaeales 3 2 Austrobaileyales 3 2 Chloranthales 1 1 Magnoliids Cannellales 2 Piperales 5 3 Laurales 7 2 1 Magnoliales 6 3 1 Monocots Acorales 1 Alismatales 13 2 Petrosaviales 1 Dioscoreales 5 2 Pandanales 5 2 Liliales 10 4 Asparagales (incl.
Plants in one of the oldest surviving floral lineages, the water lily group known as the Nymphaeales, make endosperm, but morn contributes one nucleus, not two.
Hutchinson, 1959), the Nymphaeales (Cronquist, 1981; Takhtajan, 1969, 1980), the Ariflorae (Thorne, 1976), the Dioscoreales (Huber, 1969), early shrubby dicotyledons (Stebbins, 1974), the Dioscoreales and the Magnoliifloreae (Dahlgren and Clifford, 1982), the Melanthiales (Thorne, 1992) and the paleoherbs (Aristolochiales, Nymphaeales, Piperales) (Behnke, 1969, 1971; Loconte and Stevenson, 1991).
1993), positioned with the Magnoliales, Laurales, Aristolochiales, Piperales, Nymphaeales in an unresolved clade (Qiu et al.
The results differed, and one placed water lilies, or Nymphaeales, beside Amborella on that bottom branch.
It's true that some ways of doing the analysis yield a basal lineage of Amborella plus Nymphaeales, Pamela Soltis of Washington State University in Pullman and her colleagues report in the November supplement to INTERNATIONAL JOURNAL OF PLANT SCIENCES (IJPS).
All of the basal angiosperms have vessels except for Amborellaceae, Ceratophyllaceae, Nymphaeales, and Winteraceae.
Developmental morphology of ovules and seeds of Nymphaeales.
strieta [175] NYMPHAEALES Nymphaeaceae Nymphaea sp.
2000), the ANITA grade (Amborellaceae, Nymphaeales, Austrobaileyaceae, Trimeniaceae, and Illiciales) plus Chloranthaceae and Ceratophyllaceae, exclusively contain S-type plastids.
Second, all authors agree in viewing one of the families of the Magnolianae as the most primitive taxa in the Angiosperms and the Nymphaeales as the probable ancestor of the Monocotyledons.
Because of their many similarities and the ease of accessibility to material, the Alismatales (monocots) and Nymphaeales (dicots) have been the subject of numerous comparative studies.