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Pronunciation varies by accent · adjective
(botany, of flowers) Having two sets of stamens in alternating whorls, with the outer whorl opposite the petals..
[…] the stamens, which are definite in number, normally obdiplostemonous (namely, the stamens are in two alternating whorls, those of the outer whorl opposite the petals – see Fig. 102) […]
This arrangement led van Steenis (1932) to hypothesize an obdiplostemonous ancestor for the family.
Diplostemonous and obdiplostemonous flowers may also occur in the same family (e.g. Rutaceae); Zygophyllaceae are obdiplostemonous, Liliaceae are diplostemonous.
In the genus Mitella the androecium can exceptionally be more variable, ranging from obdiplostemonous to (ob)haplostemonous arrangements.
Use obdiplostemonous when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Obdiplostemonous means (botany, of flowers) Having two sets of stamens in alternating whorls, with the outer whorl opposite the petals..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
[…] the stamens, which are definite in number, normally obdiplostemonous (namely, the stamens are in two alternating whorls, those of the outer whorl opposite the petals – see Fig. 102) […]
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