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Pronunciation varies by accent · adjective
(botany) Having the seeds straight, as in the fruits of some umbelliferous plants..
But in regard to the differences both in the internal and external structure of the seeds, […] in the Umbelliferae these differences are of such apparent importance—the seeds being in some cases, according to Tausch, orthospermous in the exterior flowers and cœlospermous in the central flowers,—[…]
Use orthospermous when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Orthospermous means (botany) Having the seeds straight, as in the fruits of some umbelliferous plants..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
But in regard to the differences both in the internal and external structure of the seeds, […] in the Umbelliferae these differences are of such apparent importance—the seeds being in some cases, according to Tausch, orthospermous in the exterior flowers and cœlospermous in the central flowers,—[…]
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