How to identify Euphorbia esula? A simple and practical identification guide
Root and stem: The root is cylindrical and can grow to more than 20cm, with a diameter of 3-6mm, and the stem can reach 30-60cm tall. Leaves: Linear to ovate, with a relatively pointed or bluntly pointed tip, no petiole, 2-7cm long. Flowers: The inflorescence is solitary, stalkless at the base, with campanulate involucral bracts.
1. Root and stem
The root of Euphorbia esula is cylindrical and can grow to more than 20cm, usually 3-6mm in diameter, with brown or dark brown outer bark. The stem is single or clustered, 30-60cm tall and about 3-5mm in diameter.
2. Leaves
Its leaves are linear to ovate, with a relatively pointed or bluntly pointed tip, no petiole, and a cuneate to truncate base. The leaves are 2-7cm long and 4-7mm wide.
3. Flowers
The inflorescence of Euphorbia esula is solitary at the tip of the dichotomous branches, stalkless at the base, with campanulate involucral bracts about 3mm tall. There are several male flowers, and the bracts are broadly linear and hairless.