osmundaceousadj.

Brit.

/ˌɒzmʌnˈdeɪʃəs/,

/ˌɒzmənˈdeɪʃəs/, U.S.

/ˌɑzmənˈdeɪʃəs/

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Osmundaceae , -ous suffix.

Etymology: < scientific Latin Osmundaceae (R. Brown Prodromus Florae Novae Hollandiae et Insulae Van-Diemen (1810) 161); < Osmunda osmunda n. + -aceus : see -aceous suffix) + -ous suffix.R. G. Mayne gives a Latin form osmundaceus (see quot. 1857).

Botany.

Belonging to or characteristic of the family Osmundaceae of ferns, of which Osmunda is the type genus.

ΘΚΠ

the world > plants > particular plants > ferns > [adjective] > of or belonging to group or type of fern

polypodiaceous1818

osmundaceous1842

marsileaceous1857

salviniaceous1858

anadromous1881

pteridophytic1883

homophyadic1889

medullosean1899

trichomanoid1900

medullosan1903

resam1939

heterophyadic-

1842 W. T. Brande Dict. Sci., Lit. & Art 25/2 Agyrate, a name given to osmundaceous plants by Swartz, in consequence of their having no true elastic annulus.

1857 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Osmundaceus, applied..to a tribe (Osmundaceæ) of ferns having the Osmunda for their type: osmundaceous.

1890 Athenæum 29 Nov. 743/1 While not going so far as to refer these carboniferous sporangia..to any distinct genus, he [sc. Prof. Bower] thought the osmundaceous affinity was unmistakable.

1930 Philos. Trans. (Royal Soc.) B. 218 90 When free from the stem xylem, however, it is a relatively robust stele of the osmundaceous type.

1950 Bull. Torrey Bot. Club 77 29 The xylem cylinder, with an average outside diameter of 26 mm., is a typical Osmundaceous one composed of about 22 segments.

1970 Bull. Torrey Bot. Club. 97 141/2 Several osmundaceous species have been reported from the Jurassic and Lower Cretaceous Periods from many parts of the world.

1992 Ann. Missouri Bot. Garden 79 658/1 As illustrated, they closely resemble scaly appendages on osmundaceous fern stems and rhizomes attributed to Todites princeps.

This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022).

单词	osmundaceous
释义	osmundaceousadj. Brit. /ˌɒzmʌnˈdeɪʃəs/, /ˌɒzmənˈdeɪʃəs/, U.S. /ˌɑzmənˈdeɪʃəs/ Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Osmundaceae , -ous suffix. Etymology: < scientific Latin Osmundaceae (R. Brown Prodromus Florae Novae Hollandiae et Insulae Van-Diemen (1810) 161); < Osmunda osmunda n. + -aceus : see -aceous suffix) + -ous suffix.R. G. Mayne gives a Latin form osmundaceus (see quot. 1857). Botany. Belonging to or characteristic of the family Osmundaceae of ferns, of which Osmunda is the type genus. ΘΚΠ the world > plants > particular plants > ferns > [adjective] > of or belonging to group or type of fern polypodiaceous1818 osmundaceous1842 marsileaceous1857 salviniaceous1858 anadromous1881 pteridophytic1883 homophyadic1889 medullosean1899 trichomanoid1900 medullosan1903 resam1939 heterophyadic- 1842 W. T. Brande Dict. Sci., Lit. & Art 25/2 Agyrate, a name given to osmundaceous plants by Swartz, in consequence of their having no true elastic annulus. 1857 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Osmundaceus, applied..to a tribe (Osmundaceæ) of ferns having the Osmunda for their type: osmundaceous. 1890 Athenæum 29 Nov. 743/1 While not going so far as to refer these carboniferous sporangia..to any distinct genus, he [sc. Prof. Bower] thought the osmundaceous affinity was unmistakable. 1930 Philos. Trans. (Royal Soc.) B. 218 90 When free from the stem xylem, however, it is a relatively robust stele of the osmundaceous type. 1950 Bull. Torrey Bot. Club 77 29 The xylem cylinder, with an average outside diameter of 26 mm., is a typical Osmundaceous one composed of about 22 segments. 1970 Bull. Torrey Bot. Club. 97 141/2 Several osmundaceous species have been reported from the Jurassic and Lower Cretaceous Periods from many parts of the world. 1992 Ann. Missouri Bot. Garden 79 658/1 As illustrated, they closely resemble scaly appendages on osmundaceous fern stems and rhizomes attributed to Todites princeps. This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022). < adj.1842
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