dichlamydeousadj.

Brit.

/ˌdʌɪkləˈmɪdɪəs/, U.S.

/ˌdaɪkləˈmɪdiəs/

Forms: 1800s– dichlamydeous, 1800s– dichlamydious (rare).

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

Etymology: < scientific Latin dichlamydeae (1829 or earlier; < ancient Greek δι- di- comb. form + χλαμυδ- , χλαμύς cloak (see chlamys n.) + scientific Latin -eae : see -eous suffix) + -ous suffix.With the forms compare -eous suffix.

Botany.

Of a flower: having both a calyx and a corolla, or having a double perianth. Also: a plant bearing such flowers. Cf. monochlamydeous adj.

ΘΚΠ

the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [adjective] > having or relating to parts > of or having perianth

perigonial1803

dichlamydeous1830

monochlamydeous1830

periantheous1857

perigonal1875

heterochlamydeous1895

homochlamydeous1895

homoeochlamydeous1900

syntepalous1900

1830 J. Lindley Introd. Nat. Syst. Bot. Introd. 26 If the corolla is present, a plant is said to be dichlamydeous.

1882 G. Allen in Nature 17 Aug. 373 Our English species [of spurges] have no true petals; but some exotic forms are truly dichlamydeous.

1934 New Phytologist 33 157 In other dichlamydeous types in which only one staminal whorl is functional, it is usually the antesepalous whorl which develops normally.

1985 R. M. T. Dahlgren et al. Families of Monocotyledons 434/2 An alternative view of the palea is that it represents two fused sepals thereby with the lodicles making the flower dichlamydeous.

2010 M. G. Simpson Plant Systemetics (ed. 2) 473/1 Most monocots have a homochlamydeous perianth, whereas most eudicots have a dichlamydeous one.

This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022).

单词	dichlamydeous
释义	dichlamydeousadj. Brit. /ˌdʌɪkləˈmɪdɪəs/, U.S. /ˌdaɪkləˈmɪdiəs/ Forms: 1800s– dichlamydeous, 1800s– dichlamydious (rare). Origin: A borrowing from Latin, combined with an English element. Etymons: Latin dichlamydeae , -ous suffix. Etymology: < scientific Latin dichlamydeae (1829 or earlier; < ancient Greek δι- di- comb. form + χλαμυδ- , χλαμύς cloak (see chlamys n.) + scientific Latin -eae : see -eous suffix) + -ous suffix.With the forms compare -eous suffix. Botany. Of a flower: having both a calyx and a corolla, or having a double perianth. Also: a plant bearing such flowers. Cf. monochlamydeous adj. ΘΚΠ the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [adjective] > having or relating to parts > of or having perianth perigonial1803 dichlamydeous1830 monochlamydeous1830 periantheous1857 perigonal1875 heterochlamydeous1895 homochlamydeous1895 homoeochlamydeous1900 syntepalous1900 1830 J. Lindley Introd. Nat. Syst. Bot. Introd. 26 If the corolla is present, a plant is said to be dichlamydeous. 1882 G. Allen in Nature 17 Aug. 373 Our English species [of spurges] have no true petals; but some exotic forms are truly dichlamydeous. 1934 New Phytologist 33 157 In other dichlamydeous types in which only one staminal whorl is functional, it is usually the antesepalous whorl which develops normally. 1985 R. M. T. Dahlgren et al. Families of Monocotyledons 434/2 An alternative view of the palea is that it represents two fused sepals thereby with the lodicles making the flower dichlamydeous. 2010 M. G. Simpson Plant Systemetics (ed. 2) 473/1 Most monocots have a homochlamydeous perianth, whereas most eudicots have a dichlamydeous one. This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022). < adj.1830
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