nemathecialadj.
/ˌnɛməˈθiːsɪəl/, /ˌnɛməˈθiːʃl/, U.S. /ˌnɛməˈθiʃ(ə)l/, /ˌnɛməˈθisiəl/ Botany.
Of or relating a nemathecium; of the nature of a nemathecium.
ΘΚΠ
the world > plants > particular plants > algae > [adjective] > of or characterized by parts
globuliferous1781
siphoneous1858
maternal1874
matrical1882
trichosporangial1887
nemathecial1890
trichophoric1891
siphonous1960
1890 Cent. Dict. Nemathecial, of or pertaining to the nemathecium.
1899 Ann. Bot. 13 261 At first as a rule these nemathecial bodies are formed only on one side of the flattened spermaphore.
1899 Ann. Bot. 13 262 Outer cells of nemathecial filaments.
1925 New Phytologist 24 243 (in figure) A, fragment of thallus; b, ditto with nemathecial space.
1943 Amer. Jrnl. Bot. 30 571 Petroglossum gen. nov. is closely related to Phyllophora, from which it differs chiefly in the nemathecial nature of the antheridial sori.
1998 European Jrnl. Phycol. 33 139 Crustose tetrasporophytes are distinguished by the following combination of features: tightly coalescent perithallial filaments, nemathecial sori, [etc.].
This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022).
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adj.1890