obdiplostemonousadj.
/ˌɒbdɪpləʊˈstiːmənəs/, U.S. /ˌɑbdɪploʊˈstimənəs/ Botany.
Diplostemonous with the disposition of the two stamen-whorls reversed; having the stamens of the outer whorl opposite the petals and those of the inner whorl opposite the sepals; (of stamens) arranged in this way.
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 > of or having stamens or male > in specific quantity, form, or arrangement
castrate1704
syngenesious1753
pentandrious1754
pentandrous1757
polyandrous1757
polyadelphous1778
triandrious1786
polyandrian1787
gynandrian1791
monadelphous1806
monandrous1806
tetrandrous1806
perigynous1807
octandrousa1815
pleurogynous1819
hypogynous1821
icosandrian1828
octandrian1828
pentandrian1828
polyadelphian1828
tetradynamian1828
hexandrous1830
pentadelphous1830
tetradynamous1830
triadelphous1830
triandrous1830
icosandrous1836
corollifloral1839
indefinite1839
oligandrous1851
isadelphous1855
thalamifloral1857
thalamiflorous1857
phalangiform1858
polyandrious1858
allagostemonous1879
corolliflorous1880
obdiplostemonous1882
hypogynic1886
octandrious1890
Monadelphic1959
polyandric1976
1882 Nature 7 Dec. 126 The..curious ‘obdiplostemonous’ arrangement in the..genus Platytheca.
1910 Encycl. Brit. X. 566/1 The stamens may be developed in the usual centripetal (acropetal) order... Or they may be interposed between the pre-existing ones or be placed outside them, i.e. develop centrifugally (basipetally), as in geranium and oxalis, when the flower is said to be obdiplostemonous.
1952 A. R. Clapham et al. Flora Brit. Isles 569 Saxifragaceae... Stamens equalling and alternate with the petals or twice as many and obdiplostemonous.
1984 Penguin Dict. Bot. 247/2 Obdiplostemonous stamens are seen in some members of the Carophyllaceae.
This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).
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adj.1882