The root of Euphorbia latifolia is cylindrical, more than 20 cm long, 3-5(6) mm in diameter, unbranched or branched, often curved, brown or dark brown. Leaves linear to ovate, extremely unstable, 2-7 cm long and 4-7 mm wide, with sharp or obtuse tip and wedge-shaped to truncated base; Petiole free; Sterile branches and leaves are often pine needles, 2-3 cm long and about 1 mm in diameter.
The two bracts of Euphorbia latifolia are usually kidney-shaped, less ovoid or triangular ovoid, 4- 12 mm long and 4- 10 mm wide, with a conical or nearly round tip and a nearly truncated base.
Extended data
Growth habit of Euphorbia latifolia;
Euphorbia latifolia is distributed all over the country (except Hainan, Guizhou, Yunnan and Tibet). Born on roadsides, weeds, hillsides, forests, river ditches, barren hills, sand dunes and grasslands. Widely distributed in Eurasia and introduced to North America.
Euphorbia latifolia is one of the most widely distributed and diverse plants in the genus Euphorbia in China. Due to complex habitats, such as leaf shape, bract shape, plant size, sterile branches and sharp glandular angles, various variations often occur. However, its main distinguishing features are: the root system is straight, and there are no moniliform roots and adventitious roots (different from Kansui and Euphorbia Glandulifera glands).