Chaenomeles are deciduous, usually spiny shrubs with simple leaves and cup-shaped, 5-petalled flowers, solitary or clustered, in spring, followed by edible often fragrant green or yellow fruits
'Nicoline' is a small deciduous shrub of spreading habit with oblong leaves to 5cm in length, and scarlet flowers 3.5cm in width, followed by apple-like fruits, yellow and fragrant when ripe