siphoneousadj.
/sʌɪˈfəʊnɪəs/ Botany.
Of the fronds of algæ: Composed of tubes; having a tubular structure; = siphonaceous adj.
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the world > plants > particular plants > algae > [adjective] > of or characterized by parts
globuliferous1781
siphoneous1858
maternal1874
matrical1882
trichosporangial1887
nemathecial1890
trichophoric1891
siphonous1960
1858 R. G. Mayne Expos. Lexicon Med. Sci. (1860) at Siphoneus
1892 Athenæum 14 May 636/2 Spirit specimens of Ascothamnion intricatum, an organism described as a siphoneous alga.
1967 I. Morris Introd. Algae ii. 21 Multicellular thalli may be regarded as being of five main types: 1. Colonial..2. Aggregatious..3. Filamentous..4. Siphoneous..5. Parenchymatous.
1971 Kumar & Singh Textbk. Algae ii. 24 A siphoneous thallus is multinucleate lacking septation except during the formation of reproductive organs.
This entry has not yet been fully updated (first published 1911; most recently modified version published online December 2020).
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adj.1858