proterandrousadj.

Brit.

/ˌprəʊtəˈrandrəs/, U.S.

/ˌproʊdəˈrændrəs/

Origin: Formed within English, by compounding. Etymons: protero- comb. form, -androus comb. form.

Etymology: < protero- comb. form + -androus comb. form. Compare earlier protandrous adj., slightly later proterogynous adj., and later proterandry n.

1. Botany. = protandrous adj. 1. Cf. proterogynous adj. 1.

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 stamens or pistils > having particular order of maturation

homogamous1854

protandrous1870

protogynous1870

synacmic1870

proterandrous1872

proterogynous1875

synanthetic1909

1872 Bull. Torrey Bot. Club 3 37 Agave is..proterandrous.

1931 Ann. Missouri Bot. Garden 18 122 The flowers are..proterandrous, an adaptation for cross-pollination.

1987 Nature 22 Oct. 672/3 This plant is proterandrous: at first the style hangs down, while the stamens are erect: as soon as the pollen is shed the stamens drop, while the style rises.

2005 Bot. Rev. 71 301 Gunnera is erect and stoloniferous, producing panicles of..proterandrous flowers apically.

2. Zoology. = protandrous adj. 2. Also: designating insects in which the emergence of male individuals occurs before the females. Cf. proterogynous adj. 2. rare.

ΘΚΠ

the world > animals > invertebrates > colony or compound organism > [adjective] > protandrous

protandric1887

protandrous1890

proterandrous1890

1890 Cent. Dict. Proterandrous, in bot. and zoöl., exhibiting or characterized by proterandry.

1942 Amer. Midland Naturalist 27 403 The species [sc. the bee Anthophora linsleyi] is proterandrous and the males normally precede the females by a week or ten days.

2001 Trends in Parasitol. 17 229/2 In such proterandrous organisms, maturation of the female reproductive system is developmentally repressed as long as the male system is functionally active.

Derivatives

† proterandrousness n. Obsolete rare = protandry n.

ΘΚΠ

the world > animals > invertebrates > colony or compound organism > [noun] > condition of being protanderous

protandry1870

proterandrousness1875

proterandry1880

protandrism1890

the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > parts of > stamen or pistil > order of maturation of

protandry1870

protogyny1870

synacmy1870

proterandrousness1875

proterogyny1879

proterandry1880

synanthesis1880

1875 J. Lubbock Wild Flowers v. 132 Cross-fertilisation is secured..in Echium and Borago by proterandrousness (if I may be permitted to coin the word).

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

单词	proterandrous
释义	proterandrousadj. Brit. /ˌprəʊtəˈrandrəs/, U.S. /ˌproʊdəˈrændrəs/ Origin: Formed within English, by compounding. Etymons: protero- comb. form, -androus comb. form. Etymology: < protero- comb. form + -androus comb. form. Compare earlier protandrous adj., slightly later proterogynous adj., and later proterandry n. 1. Botany. = protandrous adj. 1. Cf. proterogynous adj. 1. 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 stamens or pistils > having particular order of maturation homogamous1854 protandrous1870 protogynous1870 synacmic1870 proterandrous1872 proterogynous1875 synanthetic1909 1872 Bull. Torrey Bot. Club 3 37 Agave is..proterandrous. 1931 Ann. Missouri Bot. Garden 18 122 The flowers are..proterandrous, an adaptation for cross-pollination. 1987 Nature 22 Oct. 672/3 This plant is proterandrous: at first the style hangs down, while the stamens are erect: as soon as the pollen is shed the stamens drop, while the style rises. 2005 Bot. Rev. 71 301 Gunnera is erect and stoloniferous, producing panicles of..proterandrous flowers apically. 2. Zoology. = protandrous adj. 2. Also: designating insects in which the emergence of male individuals occurs before the females. Cf. proterogynous adj. 2. rare. ΘΚΠ the world > animals > invertebrates > colony or compound organism > [adjective] > protandrous protandric1887 protandrous1890 proterandrous1890 1890 Cent. Dict. Proterandrous, in bot. and zoöl., exhibiting or characterized by proterandry. 1942 Amer. Midland Naturalist 27 403 The species [sc. the bee Anthophora linsleyi] is proterandrous and the males normally precede the females by a week or ten days. 2001 Trends in Parasitol. 17 229/2 In such proterandrous organisms, maturation of the female reproductive system is developmentally repressed as long as the male system is functionally active. Derivatives † proterandrousness n. Obsolete rare = protandry n. ΘΚΠ the world > animals > invertebrates > colony or compound organism > [noun] > condition of being protanderous protandry1870 proterandrousness1875 proterandry1880 protandrism1890 the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > parts of > stamen or pistil > order of maturation of protandry1870 protogyny1870 synacmy1870 proterandrousness1875 proterogyny1879 proterandry1880 synanthesis1880 1875 J. Lubbock Wild Flowers v. 132 Cross-fertilisation is secured..in Echium and Borago by proterandrousness (if I may be permitted to coin the word). This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022). < adj.1872
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