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单词 siphonaceous
释义 siphonaceous, a. Bot.|saɪfəˈneɪʃəs|
[f. siphon n. + -aceous.]
Characterized by or being an algal thallus that is tubular and largely without septa; = siphoneous a.
1916G. 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.1933G. M. Smith Fresh-Water Algae U.S. 299 Continued growth of such a coenocyte..would lead to a simple siphonaceous form such as Protosiphon.1969F. E. Round Introd. Lower Plants ii. 30 One of the simplest completely siphonaceous genera is Bryopsis.
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