Ranunculus reptans

Perennial herb.

The stem is procumbent, repent, often rooting at all nodes. The internodes are distinctly arcuate, green, and the first internode is 1–1.5 mm thick.

The leaves are 1–3 mm wide, linear, often without a distinct lamina and entire.

The flowers are arranged individually and are typically 5–10 mm wide. The pedicel is straight, short and sulcate. The calyx is spreading and caducous. The petals are yellow.

The fruit is a 1.3–1.9 mm long achene. The curved beak is about 1/4 of the length of rest of the achene.