- Scientific Name: Cuscuta campestris Yuncker
- Ref: Mem. Torrey Bot. Club. 18: 138. 1932.
- Synonyms: Cuscuta arvensis Beyrich ex Engelmann;
C. arvensis var. calycina Engelmann;
C. pentagona Engelmann var. calycina Engelmann;
C. pentagona var. subulata Yuncker.
- English Common Name: field dodder
- Chinese Common Name:原野菟丝子 yuan ye tu si zi
- Family: Convolvulaceae
- Genus: Cuscuta
- Distribution: Nei Mongol, Fujian, Taiwan, Xinjiang, Zhejiang [Africa, Asia, Australia, Europe, North America, Pacific Islands, South America].
- Type: USA, Texas, Lindheimer 126(Holotype:MO)
Stems yellowish green to yellow or orange, 0.5-0.8 mm in diam., smooth. Inflorescences lateral, usually compact globular clusters, 4-18-flowered, subsessile. Pedicel ca. 1 mm. Calyx cupular, enclosing corolla tube, ca. 1.5 mm; sepals 5, oval or circular, sometimes wider than long. Corolla white, short campanulate, ca. 2.5 mm, 4- or 5-lobed; lobes broadly triangular, apex acute or obtuse, often reflexed. Stamens shorter to longer than corolla lobes; anthers ovate, shorter than filaments; scales distinct, ovate, ca. as long as corolla tube, fimbrillate. Ovary globose. Styles 2; stigma globose. Capsule depressed globose, ca. 3 mm in diam., ca. 2 mm high, with withered corolla at base, irregularly opening. Seeds 1-4, often 3 or 4, dull yellow, ovoid. 2n = 56.(Flora of China)