siphonaceousadj.
/sʌɪfəˈneɪʃəs/ Botany.
Characterized by or being an algal thallus that is tubular and largely without septa; = siphoneous adj.
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the world > life > biology > physical aspects or shapes > shape > [adjective] > tube or canal
venose?a1425
venous1626
canalicular1710
tubal1822
tubuliferous1822
polysiphonous1857
meatal1868
polysiphonic1898
solenial1900
tubulosaccularc1900
siphonaceous1916
1916 G. S. West Algæ I. 223 There are a number of undoubted fossil siphonaceous Algæ, the calcified thallus of various forms having lent itself to preservation.
1933 G. M. Smith Fresh-water Algae U.S. 299 Continued growth of such a coenocyte..would lead to a simple siphonaceous form such as Protosiphon.
1969 F. E. Round Introd. Lower Plants ii. 30 One of the simplest completely siphonaceous genera is Bryopsis.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
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adj.1916