Trifolium carolinianum Michx.:
United States (North America)
Mexico (Mesoamerica)

Trifolium saxicolum Small:
United States (North America)

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

Annual, Herbs, Taproot present, Nodules present, Stems or branches arching, spreading or decumbent, Stems prostrate, trailing, or mat forming, Stems less than 1 m tall, Stems solid, Stems or young twigs sparsely to densely hairy, Leaves alternate, Leaves petiolate, Stipules conspicuous, Stipules green, triangulate to lanceolate or foliaceous, Stipules persistent, Stipules clasping stem at the base, Stipules adnate to petiole, Leaves compound, Leaves palmately 2-3 foliate, Leaflets dentate or denticulate, Leaflets 3, Leaves glabrous or nearly so, Leaves hairy on one or both surfaces, Inflorescences racemes, Inflorescence umbel-like or subumbellate, Inflorescence axillary, Inflorescence terminal, Bracteoles present, Flowers zygomorphic, Calyx 5-lobed, Calyx hairy, Petals separate, Corolla papilionaceous, Petals clawed, Petals denticulate or erose, Petals white, Petals blue, lavander to purple, or violet, Banner petal narrow or oblanceolate, Wing petals narrow, oblanceolate to oblong, Wing petals auriculate, Wing tips obtuse or rounded, Keel tips obtuse or rounded, not beaked, Stamens 9-10, Stamens diadelphous, 9 united, 1 free, Filaments glabrous, Style terete, Fruit a legume, Fruit unilocular, Fruit indehiscent, Fruit oblong or ellipsoidal, Fruit or valves persistent on stem, Fruit enclosed in calyx, Fruit glabrous or glabrate, Fruit 2-seeded, Fruit 3-10 seeded, Seeds cordiform, mit-shaped, notched at one end, Seed surface smooth, Seeds olive, brown, or black.

Rounded Global Status Rank: G5 - Secure

United States

Rounded National Status Rank: NNR - Unranked