buckthorn

• 指鼠李属（Rhamnus）等多种灌木或小乔木，其果实可用于制取黄色染料或颜料；也指布梅利亚属（Bumelia）植物以及旧大陆一种叶片长而窄、有棱纹的车前草。

A noun referring to any of several shrubs or small trees, particularly those of the genus Rhamnus, whose fruits are used to produce yellow dyes or pigments; also applied to plants of the genus Bumelia and a type of Old World plantain with long, narrow, ribbed leaves.

1. Shrub of the genus RhamnusC1formal

   A shrub or small tree belonging to the genus Rhamnus, whose fruits are used to produce yellow dyes or pigments.

   鼠李

   • The buckthorn berries were traditionally used to make a yellow dye.
   • Rhamnus cathartica, a common buckthorn, is considered invasive in some regions.
   • The gardener identified the plant as a species of buckthorn.

   同义词rhamnus

2. Shrub of the genus BumeliaC1formalamerican

   Any shrub or small tree belonging to the genus Bumelia, often found in warmer climates.

   勃米莉亚属灌木

   • The Bumelia buckthorn is native to the southern United States.
   • This type of buckthorn produces small, edible fruits.
   • The botanist studied the growth patterns of the Bumelia shrub.

   同义词bumelia

3. C1formalbritish

   An Old World plantain with long, narrow, ribbed leaves that has become widely established in temperate regions.

   长叶车前

   • The buckthorn plantain is often found along roadsides in Europe.
   • Its long, narrow leaves are a distinctive feature of this plant.
   • This species has spread widely across temperate climates.

   同义词ribgrassribwort