preflorationn.

Brit.

/ˌpriːflɒˈreɪʃən/,

/ˌpriːflɔːˈreɪʃn/,

/ˌpriːfləˈreɪʃn/, U.S.

/ˌprifləˈreɪʃ(ə)n/

Forms: 1800s praefloration, 1800s– prefloration.

Origin: A borrowing from Latin. Etymon: Latin praefloratio.

Etymology: < scientific Latin praefloratio ( P. Bulliard Dictionnaire élémentaire botanique (1799) 122 (heading)) < classical Latin prae- pre- prefix + flōrat- , past participial stem of flōrāre to blossom ( < flōr- , flōs flower: see flower n.) + -iō -ion suffix¹; compare -ation suffix. Compare French préfleuraison (1799 in the same source). Compare slightly earlier prefoliation n.

Botany. Now rare.

The folded arrangement of petals and sepals within an unexpanded flower; = aestivation n. 2.

ΘΚΠ

the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > flower-bud > aestivation

aestivation1783

prefloration1832

1832 J. Lindley Introd. Bot. 409 The term estivation, or præfloration, is applied to the parts of the flower when unexpanded.

1857 A. Henfrey Elem. Course Bot. 98 The arrangement of the floral envelopes in the bud, the aestivation or præfloration, is a subject of great importance in systematic botany.

1880 A. Gray Struct. Bot. iv. §2 132 Vernation and Æstivation—Præfoliation and Præfloration are etymologically better terms substituted by Richard.

1935 New Phytologist 34 122 The prefloration of the sepals separates the order from the Guttiferae, Theaceae, and allied families.

2002 Biochem. & Systematics Ecol. 30 46 Considering the prefloration of Nicotinianeae and Salpiglossideae being contorted-conduplicate and differing from Schwenckieae.

This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).

单词	prefloration
释义	preflorationn. Brit. /ˌpriːflɒˈreɪʃən/, /ˌpriːflɔːˈreɪʃn/, /ˌpriːfləˈreɪʃn/, U.S. /ˌprifləˈreɪʃ(ə)n/ Forms: 1800s praefloration, 1800s– prefloration. Origin: A borrowing from Latin. Etymon: Latin praefloratio. Etymology: < scientific Latin praefloratio ( P. Bulliard Dictionnaire élémentaire botanique (1799) 122 (heading)) < classical Latin prae- pre- prefix + flōrat- , past participial stem of flōrāre to blossom ( < flōr- , flōs flower: see flower n.) + -iō -ion suffix¹; compare -ation suffix. Compare French préfleuraison (1799 in the same source). Compare slightly earlier prefoliation n. Botany. Now rare. The folded arrangement of petals and sepals within an unexpanded flower; = aestivation n. 2. ΘΚΠ the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > flower-bud > aestivation aestivation1783 prefloration1832 1832 J. Lindley Introd. Bot. 409 The term estivation, or præfloration, is applied to the parts of the flower when unexpanded. 1857 A. Henfrey Elem. Course Bot. 98 The arrangement of the floral envelopes in the bud, the aestivation or præfloration, is a subject of great importance in systematic botany. 1880 A. Gray Struct. Bot. iv. §2 132 Vernation and Æstivation—Præfoliation and Præfloration are etymologically better terms substituted by Richard. 1935 New Phytologist 34 122 The prefloration of the sepals separates the order from the Guttiferae, Theaceae, and allied families. 2002 Biochem. & Systematics Ecol. 30 46 Considering the prefloration of Nicotinianeae and Salpiglossideae being contorted-conduplicate and differing from Schwenckieae. This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022). < n.1832
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