(of a cotyledon) lying edgewise against the folded radicle in the seed.‘Although the cotyledons were correctly illustrated as incumbent, they were described as accumbent.’
- ‘However, Chrysobraya differs from Lepidostemon in having cotyledons incumbent instead of accumbent and staminal filaments toothless and wingless instead of winged and toothed.’
- ‘Cotyledon arrangement (for examples see full document) is incumbent and sometimes oblique or accumbent and sometimes oblique.’
- ‘Light blue to chartreuse, adaxially (upper leaf surface) glabrous or scarcely, with appressed hairs, abaxially (lower leaf surface) with densely accumbent, minimally spiky, silky hairs.’
- ‘However, it has broadly expanded and sometimes minutely denticulate bases of the median staminal filaments, distinctly 2-lobed stigmas, accumbent cotyledons, white flowers with purplish petal claws, and strongly divided leaves.’
2(of a person) lying down or reclining.
Late 17th century (in sense ‘lying against or upon something’): from Latin accumbent- ‘reclining’, from the verb accumbere, from ad- ‘to’ + a verb related to cubare ‘to lie’.