Purshia (bitterbrush or cliff-rose) is a small genus of 5–8 species of flowering plants in the family Rosaceae which are native to western North America. Purshia species form deciduous or evergreen shrubs, typically reaching 0.3–5 metres (1– feet) tall.

羚梅（学名：Purshia tridentata (Pursh) DC.）是 蔷薇科 羚梅属植物。 Purshiatridentata(Pursh) DC. 灌木，通常株高在0.9-1.2米之间。 新梢细腻、光滑且呈浅红褐色，多年生枝条则呈现暗红褐色，枝条带有苦味。 单叶互生（叶片典型的丛生在节点上），叶小，长2.5-4.5厘米，叶片为三裂叶，叶基为楔形；叶面绿色或灰绿色，叶背呈灰白色，叶表面均布有软毛；叶柄短或无叶柄，叶缘外卷。 [2] 雌雄同花，无香味，花小且为黄色的完全花，花粉丝着生在向外展开的花瓣上，花朵 …

Bitterbrush (Purshia tridentata (Pursh) DC.) By Forest Jay Gauna. Purshia tridentata is a plant of the Rosaceae, or rose family. Purshia refers to F.T. Pursh, a German-American botanist. Pursh originally described this plant, and Augustin de Candolle, who named the genus after him, later revised its taxonomy.

Purshia stansburyana is a species of flowering plant in the rose family known by the common name Stansbury's cliffrose. It is native to the southwestern United States and northern Mexico, where it grows in woodlands, desert, and plateau habitat.

Well adapted to desert life, Purshia tridentata (Antelope Bitterbrush) is a deciduous, sometimes evergreen, shrub with intricately branched stems. The shrub shape can vary considerably, being either nearly prostrate or columnar.

2023年1月27日 · Rose hips contain several achenes. Fruit provides food for wildlife. Some plants in this family are important wildlife browse, but some have a tendency to accumulate cyanide. Other: The genus name, “ Purshia ”, honors Frederick Traugott Pursh (1774-1820), an author of one of the earliest floras of North America, Flora Americae Septentrionalis.

Flowers small, 8 mm across, yellow, tubular, borne singly. Fruit single or paired achenes, elliptical or tear shaped, 3-13 mm long, bitter tasting. Sun. Dry site, it is drought resistant; has a very long tap root.

Fruit, 5-10 achenes per flower, each tipped with a long, hairy, and twisted style. Hardy to USDA Zone 4 Native to southern Idaho, southwestern Colorado, Utah, Nevada, Arizona, New Mexico and southern California and northern Mexico.

Purshia tridentate (Pursh) DC. Antelope bitterbrush is one of the most important palatable native shrubs in the western United States. It provides high quality, important spring and winter browse for domestic livestock, antelope, deer, and elk.

Purshia. Shrubs or small trees; leaves usually persistent for one or more seasons, in alternate clusters, lacking petioles, usually at ends of short spur shoots, wedge-shaped in outline—widest near apex, tapered to base, terminally 3-lobed or incised.