Original sentence: At the base of the 3-10 cm (1-4 in) feathery leaves there are two straight, light grey thorns.The blossoms form round, bright yellow clusters approximately in 1.5 cm (0.5 in) diameter, growing to 7-20 cm (3-8 in) long
Edited sentence: At the base of the 3-10 cm (1-4 in) feathery leaves there are two straight, light grey thorns.The blossoms form round, bright yellow clusters approximately in 1.5 cm (0.5 in) diameter, growing to 7-20 cm (3-8 in) long