clivers

• 一年生植物，茎上密布倒钩刺；广泛分布于北美、欧洲和亚洲。

An annual plant with stems covered in backward-curving prickles, found widely across North America, Europe, and Asia; also known as cleavers or goosegrass.

1. An annual plant with curved prickles on the stem, widespread across the Northern Hemisphere.C2formalscientific

   A scrambling, herbaceous annual of the Rubiaceae family (Galium aparine), characterised by its square, brittle stems densely covered with tiny, hooked bristles that enable it to cling to clothing, fur, and other plants. It bears whorls of narrow, lance-shaped leaves and produces small, white, star-shaped flowers followed by burr-like fruits. Commonly regarded as a persistent weed of cultivated ground, hedgerows, and waste places in North America, Europe, and Asia; historically used in herbal medicine as a diuretic and lymphatic cleanser.

   猪殃殃（一年生植物，茎上有倒刺）

   • The children returned from the field with clivers stuck all over their sweaters and trousers.
   • Farmers often struggle to eradicate clivers from cereal crops because it tangles with the harvest machinery.
   • Herbalists brew a cleansing tea from the dried aerial parts of clivers collected in early summer.
   • The stems of clivers are so rough with tiny barbs that they feel like sandpaper.
   • Clivers can smother young vegetable seedlings if it is not hoed out early in the growing season.

   同义词bedstrawcatchweed