Meanings of apetalous in English

The elm was graceful but not inappropriately apetalous, especially for her.

There is also a variety which is apetalous, or has its petals reduced to mere rudiments.

Are Arctic plants often apetalous?

The starting-point of the class, however, and the position within it of apetalous families with frequently unisexual flowers, have provoked much discussion.

Apetalous flowers have been noted most frequently in the following plants: