(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.
Early 19th century: from Latin accumbent- 'reclining', from accumbere, from ad- 'to' + a verb related to cubare 'to lie'.
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