orthospermous

English

Etymology

Ancient Greek

Adjective

orthospermous (not comparable)

1. (botany) Having the seeds straight, as in the fruits of some umbelliferous plants.
   • 1859 November 24, Charles Darwin, “Laws of Variation”, in On the Origin of Species by Means of Natural Selection, […], London: John Murray, […], →OCLC, page 146:

     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,—[…]