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Description

Bellis perennis is a perennial herbaceous plant growing to 20 centimetres (8 inches) in height. It has short creeping rhizomes and rosettes of small rounded or spoon-shaped leaves that are from 2 to 5 cm (3 ⁄ 4 –2 in) long and grow flat to the ground. The species habitually colonises lawns, and is difficult to eradicate by mowing, hence the term 'lawn daisy'. It blooms from March to September and exhibits the phenomenon of heliotropism, in which the flowers follow the position of the sun in the sky.

The flowerheads are composite, about 2 to 3 cm (3 ⁄ 4 – 1 + 1 ⁄ 4 in) in diameter, in the form of a pseudanthium, consisting of many sessile flowers with white ray florets (often tipped red) and yellow disc florets. Each inflorescence is borne on a single leafless stem 2 to 10 cm (3 ⁄ 4 –4 in), rarely 15 cm (6 in) tall. The capitulum, or disc of florets, is surrounded by two rows of green bracts known as "phyllaries". The achenes are without pappus.