perennial

he's a perennial student.

perennial ice and snow

the perennial problem of urban poverty.

his perennial distrust of the media.

perennial manifestations of urban crisis.

variations on the perennial theme of marital discord.

perennial of Portugal similar to the oxeye daisy.

wished for perennial youth;

I wonder at her perennial youthfulness.

these perennials should be planted where they can naturalize.

annual or perennial herbs: bedstraw; cleavers.

the perennial dilemma between getting on at work and fulfilling family commitments

Herblike shrubs, perennial, with vertical stem and creeping rhizomes.

Herbs paludose or aquatic, perennial or under unfavorable conditions annual.

In the edge habitat, species were almost perennials which can endure dankness.

genus of chiefly North American perennial herbs: silkweed;

Helophyte A perennial marsh plant that has its overwintering buds under water.

The potential distribution of the invasive perennial Solidago canadensis in China was assessed by using the homoclime approach.