Bidens leptocephala
Species of flowering plant
From Wikipedia, the free encyclopedia
Bidens leptocephala, commonly known as the fewflower beggarticks,[3] is an annual herbaceous flowering plant in the Asteraceae family. It is native to the southwestern United States (Arizona, New Mexico, western Texas) and northern Mexico (Chihuahua, Sonora, Baja California, Baja California Sur).
| Bidens leptocephala | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Bidens |
| Species: | B. leptocephala |
| Binomial name | |
| Bidens leptocephala Sherff[2] | |
| Synonyms[2] | |
| |
Description
Bidens leptocephala is an annual herb that typically grows between 10 and 50 cm (3.9 and 19.7 in) tall. The opposite leaf blades are 2 to 10 cm (0.79 to 3.94 in) long by 1 to 6 cm (0.39 to 2.36 in) wide. They are pinnately divided up to 2 times into linear segments. The leaf petioles are up to 4 cm in length. Flower heads are sometimes borne one at a time or in groups of 2 or 3, each head with whitish or yellowish disc florets and sometimes with up to 3 pale yellow ray florets.[4][5][6]
The species mainly flowers in September.[5]
Distribution and habitat
Conservation
As of November 2024[update], Bidens leptocephala is listed on NatureServe as Secure (G5) worldwide.[1]
Taxonomy
Bidens leptocephala was first named by Earl Edward Sherff and described in 1917 in Bot. Gaz. 64: 22.[2]
