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proterandrous
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proterandrous
proterandrous, a. (prɒtəˈrændrəs) [f. protero- + -androus: cf. protandrous. In both senses opp. to proterogynous.] 1. Bot. Having the stamens or male organs mature before the pistil or female organ.1875 Lubbock Wild Flowers v. 130 Cross-fertilisation is..favoured by the flower being proterandrous. 1...
Oxford English Dictionary
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protandrous
protandrous, a. (prəʊˈtændrəs) [ad. G. protandrisch (F. H. G. Hildebrand Die Geschlechter-Vertheilung bei den Pflanzen (1867) 17), f. proto- + -androus.] 1. Bot. = proterandrous; opposed to protogynous.1870 A. W. Bennett in Jrnl. Bot. VIII. 317 (heading) Protandrous. 1875 Bennett & Dyer Sachs' Bot. ...
Oxford English Dictionary
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Rubiaceae
The flowers are proterandrous and the pollen is shed early onto the outside of the stigmas or the upper part of the style, which serve as a pollen receptacle
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proterogynous
proterogynous, a. (prɒtəˈrɒdʒɪnəs) [f. protero- + -gynous. Cf. protogynous. In both senses opposed to proterandrous.] 1. Bot. Having the pistil or female organ mature before the stamens or male organs.1875 Lubbock Wild Flowers iii. 51 Caltha palustris... The species..are said by Hildebrand to be pro...
Oxford English Dictionary
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protero-
protero- (prɒtərəʊ) before a vowel proter- (prɒtər), combining form from Gr. πρότερος fore, former, anterior, in place, time, order, rank; used in a few scientific terms. ˈproterobase (-beɪs) Min. [after diabase], an eruptive rock resembling diabase, but in a more advanced stage of alteration. ˌprot...
Oxford English Dictionary
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