laciniationn.

Brit.

/ləˌsɪnɪˈeɪʃn/, U.S.

/ləˌsɪniˈeɪʃ(ə)n/

Origin: Formed within English, by derivation. Etymons: laciniate adj., -ation suffix.

Etymology: < laciniate adj.: see -ation suffix. Compare earlier lacinia n., laciniated adj.

Chiefly Botany.

The condition of being laciniate; the degree to which a leaf or other part is laciniate. Also: any of the segments or clefts of a laciniate part; = lacinia n. 1.

ΘΚΠ

the world > plants > part of plant > leaf > [noun] > leaflet > formation of

laciniation1821

lobation1840

lobing1870

pinnation1873

1821 A. H. Haworth Revisiones Plantarum Succulentarum Pref. p. xv Innumerable gradations..in the laciniation of their leaves.

1846 J. D. Dana U.S. Exploring Exped.: Zoophytes 196 The slender laciniations of the upper margin of the crest-like folia are half or three-quarters of an inch long.

1913 W. Balison Mendel's Princ. Heredity 24 In the nettle, serration is a dominant, while here laciniation is a recessive.

1921 Amer. Fern Jrnl. 11 116 If [Botrychum] dissectum is a valid species, will some one please tell us just how deep the laciniations must be to make it so?

1966 Evolution 20 622/2 Different clones have different amounts of laciniation and hair on the underside of the leaf.

2008 T. Parker Trees Guatemala 497 Bractlets [of Gossypium barbadense] shorter than petals, widely cordate, with few laciniations.

This entry has been updated (OED Third Edition, March 2017; most recently modified version published online March 2022).

单词	laciniation
释义	laciniationn. Brit. /ləˌsɪnɪˈeɪʃn/, U.S. /ləˌsɪniˈeɪʃ(ə)n/ Origin: Formed within English, by derivation. Etymons: laciniate adj., -ation suffix. Etymology: < laciniate adj.: see -ation suffix. Compare earlier lacinia n., laciniated adj. Chiefly Botany. The condition of being laciniate; the degree to which a leaf or other part is laciniate. Also: any of the segments or clefts of a laciniate part; = lacinia n. 1. ΘΚΠ the world > plants > part of plant > leaf > [noun] > leaflet > formation of laciniation1821 lobation1840 lobing1870 pinnation1873 1821 A. H. Haworth Revisiones Plantarum Succulentarum Pref. p. xv Innumerable gradations..in the laciniation of their leaves. 1846 J. D. Dana U.S. Exploring Exped.: Zoophytes 196 The slender laciniations of the upper margin of the crest-like folia are half or three-quarters of an inch long. 1913 W. Balison Mendel's Princ. Heredity 24 In the nettle, serration is a dominant, while here laciniation is a recessive. 1921 Amer. Fern Jrnl. 11 116 If [Botrychum] dissectum is a valid species, will some one please tell us just how deep the laciniations must be to make it so? 1966 Evolution 20 622/2 Different clones have different amounts of laciniation and hair on the underside of the leaf. 2008 T. Parker Trees Guatemala 497 Bractlets [of Gossypium barbadense] shorter than petals, widely cordate, with few laciniations. This entry has been updated (OED Third Edition, March 2017; most recently modified version published online March 2022). < n.1821
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