Trifolium angustifolium

Trifolium angustifolium is a species of clover known by the common names narrowleaf crimson clover,[1] narrow clover[2] and narrow-leaved clover.

Trifolium angustifolium
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Trifolium
Species:
T. angustifolium
Binomial name
Trifolium angustifolium

Distribution

It is native to Europe, Asia, and North Africa. Trifolium angustifolium occurs in many types of habitat, including disturbed areas.

It can be found elsewhere as an introduced species, including an invasive species in parts of North America, such as California.

Description

Trifolium angustifolium is an annual herb growing erect in form. The leaves are divided into narrow leaflets which are linear to lance-shaped and measure up to 4.5 centimeters long. The leaves have stipules tipped with bristles. The herbage is hairy in texture.

The inflorescence is a cylindrical spike of flowers measuring 1 to 5 centimeters long. Each flower has a calyx of sepals with long, hairy, needle-like lobes that harden into bristles as the plant dries. Within each calyx is a pink corolla about a centimeter long.

Trifolium angustifolium, Hearst San Simeon State Park

References
  1. USDA, NRCS (n.d.). "Trifolium angustifolium". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 15 December 2015.
  2. BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
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