Rivina, ri-vī′na, n. a genus of apetalous plants, the pokeweed family.
Our genera are apetalous and with the calyx free from the ovary.
Stackhousia juncea, according to Clarke, has mixed with its perfect flowers a number of apetalous blossoms destitute of anthers.
apetalous Trees or Shrubs, having their flowers destitute of corolla; as the box.
apetalous flowers occur in the Ranunculace and Caryophyllace.
I desire now to call attention to chemical groups under the apetalous plants having simplicity of floral elements.
Thus, certain species of Helianthemum are apetalous in Lapland.
Of apetalous Gymnoblasts, some important species are to be recorded, since they form the chief pride of the forests.
There is also a variety which is apetalous, or has its petals reduced to mere rudiments.
Salicornia, sal-i-kor′ni-a, n. a genus of apetalous plants—the glass-wort, marsh-samphire.