*Malva parviflora
Petals 4–6 mm long, as long as or just longer than the sepals. Fruit ridged on the rim between the carpels. Mericarps c. 11, strongly reticulate. Stems decumbent or prostrate. Widespread. Common weed of waste ground. Introd. from the Mediterranean. Fl. spring–summer. Small-flowered Mallow