Sida L.

Erect or ascending shrubs up to 2 m high.
Calyx 10-ribbed. Mericarp awned.
Peduncles more than 7 mm long. Mericarps 7–11. Flowers solitary. Calyx c. 5 mm long. Petals longer than the sepals. Leaves lanceolate to ovate, 2–5 cm long, deeply dentate, paler on undersurface. Widespread. Common weed of gardens and waste ground. Fl. spring–summer. Common Sida or Paddy’s Lucerne Sida rhombifolia
Peduncles less than 7 mm long. Mericarps 5–7