Description: Perennials, trailing, 15–30 cm high, sometimes rooted at nodes ; sparsely to densely pilose on stem, stipules, petioles, leaves both surfaces, bracteoles, inflorescences, and calyx lobes. Stipules lanceolate to subulate, 0.5–1 cm. Leaves opposite; basal leaves dense, petioles to 15 cm; cauline leaves lax, petioles 1–5 cm; leaf blade palmate with 3–5 segments, divided near to base, 1–5 cm in diam.; segments broadly rhombic, unequal, shallowly lobed or near to the middle, apex mucronate. Inflorescences terminal or axillary, cymose, solitary, 1–2-flowered; peduncles 0.5–8 cm long, the terminal longer than the axillary; pedicels 1–3 cm; bracteoles linear, ca 5 mm. Sepals 5-lobed, oblong, ca 5 mm long, with 3 veins, mucro 1–1.5 mm, persistent. Petals 5, pale pink to pink-purple, lobes oblong, 6–7 mm, narrow towards base, apex obtuse-rounded. Stamens 10, in 2 whorls, outers opposite to petals, inners alternating with petals, less than half of petal length; filaments white, broad at base, vilose; anthers grey-violet, ca 0.5 mm. Nectaries 5, alternating with petals. Ovary superior, 5-locular; 2 ovules per locule; style apically 5-branced; stigma grey-purple, persistent. Fruit a schizocarp, splitting base toward the apex from the central beak into 5 1-seeded mericarps, ca 1.5 cm long; seeds oblong, ca 2 mm, pilose.

Thai name: เจราเนียมป่า (che ra niam pa)

Photos: Rachun Pooma (Doi Inthanon, Chiang Mai)