Leptopyrum

Leptopyrum is a monotypic genus of flowering plants belonging to the family Ranunculaceae. The only species is Leptopyrum fumarioides, native to north and east Asia.

==Description== ===Morphology=== Leptopyrum fumarioides is an annual herbaceous plant growing to tall, with 4–9 (rarely as few as 2 or as many as 17) smooth, sparsely branched stems. The leaves are triangular-ovate and have stalks of length. The leaflets are rhombic in shape, with the central leaflet having a short stalk, and each leaflet divided into three unequal, narrow, teardrop-shaped lobes. The leaflet edges may be smooth or have small teeth. The flowers measure 3–5 mm in diameter with oval yellowish sepals 3–4.5 mm long and smooth petals 1 mm long. The stamens are around 3 mm in length and the anthers around 0.5 mm.