microsporophylln.

Brit.

/ˌmʌɪkrə(ʊ)ˈspɒrəfɪl/,

/ˌmʌɪkrə(ʊ)ˈspɔːrəfɪl/, U.S.

/ˌmaɪkroʊˈspɔrəˌfɪl/

Origin: Formed within English, by compounding. Etymons: micro- comb. form, sporophyll n. at sporo- comb. form .

Etymology: < micro- comb. form + sporophyll n. at sporo- comb. form . Compare macrosporophyll n.

Botany.

A leaf or modified leaf which bears microsporangia.

ΘΚΠ

the world > plants > part of plant > leaf > [noun] > other types of leaf

ear leaf1835

microsporophyll1888

megaphyll1908

microphyll1908

megaphyll1918

1888 Encycl. Brit. XXIV. 130/2 Stamen = leaf bearing microsporangia (microsporophyll).

1910 A. C. Seward Fossil Plants II. xxii. 396 The microsporophylls of the Mesozoic Bennettitales produced their spores in sporangial compartments.

1976 P. Bell & D. Coombe tr. Strasburger's Textbk. Bot. (new ed.) iii. 598 These fundamental units of reproduction [sc. megasporangia and microsporangia] are borne singly or in groups on..branched supports which can be called mega- or microsporophylls (carpels and stamens).

1992 M. Ingrouille Diversity & Evol. Land Plants 115 In most gymnosperms the pollen sacs (microsporangia) are grouped together on the abaxial surface of special scale leaves called microsporophylls.

Derivatives

† microsporophyllary adj. Obsolete rare

ΚΠ

1895 S. H. Vines Students' Text-bk. Bot. i. 78 When..the flower includes only microsporophylls, it is called microsporophyllary.

This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).

单词	microsporophyll
释义	microsporophylln. Brit. /ˌmʌɪkrə(ʊ)ˈspɒrəfɪl/, /ˌmʌɪkrə(ʊ)ˈspɔːrəfɪl/, U.S. /ˌmaɪkroʊˈspɔrəˌfɪl/ Origin: Formed within English, by compounding. Etymons: micro- comb. form, sporophyll n. at sporo- comb. form . Etymology: < micro- comb. form + sporophyll n. at sporo- comb. form . Compare macrosporophyll n. Botany. A leaf or modified leaf which bears microsporangia. ΘΚΠ the world > plants > part of plant > leaf > [noun] > other types of leaf ear leaf1835 microsporophyll1888 megaphyll1908 microphyll1908 megaphyll1918 1888 Encycl. Brit. XXIV. 130/2 Stamen = leaf bearing microsporangia (microsporophyll). 1910 A. C. Seward Fossil Plants II. xxii. 396 The microsporophylls of the Mesozoic Bennettitales produced their spores in sporangial compartments. 1976 P. Bell & D. Coombe tr. Strasburger's Textbk. Bot. (new ed.) iii. 598 These fundamental units of reproduction [sc. megasporangia and microsporangia] are borne singly or in groups on..branched supports which can be called mega- or microsporophylls (carpels and stamens). 1992 M. Ingrouille Diversity & Evol. Land Plants 115 In most gymnosperms the pollen sacs (microsporangia) are grouped together on the abaxial surface of special scale leaves called microsporophylls. Derivatives † microsporophyllary adj. Obsolete rare ΚΠ 1895 S. H. Vines Students' Text-bk. Bot. i. 78 When..the flower includes only microsporophylls, it is called microsporophyllary. This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022). < n.1888
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