Hydrocotyle laxiflora

Lax, usually dioecious perennial, sometimes forming loose mats; stems to more than 1 m long, rooting at nodes, often ascending, to c. 40 cm high, plant moderately to densely hirsute, hairs reflexed. Leaf-lamina entire, c. circular to cordate or reniform, slightly discolorous, 8–50 mm across, shallowly 5–11-lobed, margins crenate; petiole c. 1–13(–24) cm long; stipules papery, entire. Umbels simple, leaf-opposed, globose, 5–16 mm diam., c. 30–50-flowered; peduncle 2–7 cm long. Flowers usually unisexual, sometimes bisexual, with an offensive, putrid odour; female flowers with pedicels 0.5–6 mm long, petals deciduous, often adhering to each other and forming a cap, stamens rudimentary; male flowers with pedicels 5–8 mm long, petals pale green to white, spreading, stamens exserted. Fruits 1.5–2 mm long, 1.8–2.5 mm wide, smooth, granular or sometimes with few hairs; mericarps with obtuse dorsal rib, lateral ones prominent. Flowers spring–autumn.