perichaetialperichetialadj.

Brit.

/ˌpɛrɪˈkiːtɪəl/, U.S.

/ˌpɛrəˈkidiəl/

Forms: 1800s– perichaetial, 1800s– perichetial (chiefly U.S.).

Origin: Formed within English, by derivation. Etymons: perichaetium n., -al suffix¹.

Etymology: < perichaetium n. + -al suffix¹; compare -ial suffix. Compare post-classical Latin perichaetialis (1818 or earlier), French périchaetial (1869 in Littré).

Botany.

Of, belonging to, or constituting a perichaetium.

ΘΚΠ

the world > plants > part of plant > reproductive part(s) > spore or sporule > cryptogam or plant having spores > [adjective] > of or having parts > of part enclosing sex organ

perichaetial1821

pyrenocarpous1871

1821 S. F. Gray Nat. Arrangem. Brit. Plants I. 221 Perichætial leaves.—Imbricated leaf-like organs surrounding the reproductive organs [of Mosses].

1832 J. Lindley Introd. Bot. i. iii. 201 [The sporangium] is..surrounded by leaves of a different form from the rest, and distinguished by the name of perichætial leaves.

1889 Bull. Torrey Bot. Club 16 91 Costa very thick and brown, excurrent... Perichetial leaves denticulate above.

1920 Proc. Royal Soc. 1919–20 B. 91 369 Four pot cultures in all were established.., two from the venter and two from perichætial leaves.

1955 E. V. Watson Brit. Mosses & Liverworts 128 A..useful diagnostic character is the great length of the perichaetial bracts compared with the normal vegetative leaves.

1996 Nova Hedwigia 62 371 The African material [of Diphyscium pocsii] lacks perichaetial structures and sporophytes.

This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).

单词	perichaetial
释义	perichaetialperichetialadj. Brit. /ˌpɛrɪˈkiːtɪəl/, U.S. /ˌpɛrəˈkidiəl/ Forms: 1800s– perichaetial, 1800s– perichetial (chiefly U.S.). Origin: Formed within English, by derivation. Etymons: perichaetium n., -al suffix¹. Etymology: < perichaetium n. + -al suffix¹; compare -ial suffix. Compare post-classical Latin perichaetialis (1818 or earlier), French périchaetial (1869 in Littré). Botany. Of, belonging to, or constituting a perichaetium. ΘΚΠ the world > plants > part of plant > reproductive part(s) > spore or sporule > cryptogam or plant having spores > [adjective] > of or having parts > of part enclosing sex organ perichaetial1821 pyrenocarpous1871 1821 S. F. Gray Nat. Arrangem. Brit. Plants I. 221 Perichætial leaves.—Imbricated leaf-like organs surrounding the reproductive organs [of Mosses]. 1832 J. Lindley Introd. Bot. i. iii. 201 [The sporangium] is..surrounded by leaves of a different form from the rest, and distinguished by the name of perichætial leaves. 1889 Bull. Torrey Bot. Club 16 91 Costa very thick and brown, excurrent... Perichetial leaves denticulate above. 1920 Proc. Royal Soc. 1919–20 B. 91 369 Four pot cultures in all were established.., two from the venter and two from perichætial leaves. 1955 E. V. Watson Brit. Mosses & Liverworts 128 A..useful diagnostic character is the great length of the perichaetial bracts compared with the normal vegetative leaves. 1996 Nova Hedwigia 62 371 The African material [of Diphyscium pocsii] lacks perichaetial structures and sporophytes. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < adj.1821
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