Trifolium campestre, commonly known as hop trefoil, field clover and low hop clover, is a species of clover native to Europe and western Asia, growing in dry, sandy grassland habitats, fields, woodland margins, roadsides, wastelands and cultivated land. The species name campestre means "of the fields".
It is a herbaceous annual plant, growing to 10–30 cm tall, with distinctive yellow flowerheads that superficially resemble hop flowers. Each flowerhead is a cylindrical or spherical collection of 20–40 individual flowers. The flowers become brown upon aging and drying, enclosing the fruit, a one-seeded pod. The leaves are alternate and trifoliate, with three oblong or elliptical leaflets 4–10 mm long.
This species is very closely related to large hop trefoil (Trifolium aureum).
Cultivation and uses
Hop trefoil is an important clover in agriculture because its foliage is good for feeding livestock and replenishing soil. It is not generally planted, but is considered a valuable herb when found growing in a pasture. It has become naturalised in North America, particularly in the west and south of the continent.
- Ajilvsgi, Geyata. (2003). Wildflowers of Texas. Shearer Publishing, Fredericksburg, Texas. ISBN 0-940672-73-1.
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