General: Annual or biennial herb from a taproot; stems prostrate to spreading, branched, 20-60 cm long, with simple hairs.
Leaves: Basal leaves lacking; stem leaves alternate, blades heart- to kidney-shaped, 2-5 cm long, toothed, shallowly 5-to 7-lobed, with stalks up to twice as long as the blades.
Flowers: Inflorescence of many flowers in axillary clusters or subterminal panicles, with or without long stalks; petals 5, white or pale purple, 4-5 mm long, claws fringed or bearded; calyces green and barely enlarged in fruit, about equal to the petals, lobed, the bractlets linear, fringed.
Fruits: Carpels, numerous in flat disks, flattened, strongly wrinkled on the back, pointed angles without wings; seeds 1.
If more than one illustration is
available for a species (e.g., separate illustrations were provided for two
subspecies) then links to the separate images will be provided below.
Note that individual subspecies or varietal illustrations are not always available.
