IUCN threat status:

Not evaluated


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Physical Description

Perennial, Herbs, Taproot present, Nodules present, Stems erect or ascending, Stems less than 1 m tall, Stems solid, Stems or young twigs glabrous or sparsely glabrate, Leaves alternate, Leaves petiolate, Stipules inconspicuous, absent, or caducous, Stipules setiform, subulate or acicular, Stipules persistent, Stipules free, Leaves compound, Leaves odd pinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 3, Leaflets 5-9, Leaves viscid, sticky, Leaves hairy on one or both surfaces, Inflorescences racemes, Inflorescence terminal, Bracts very small, absent or caducous, Flowers zygomorphic, Calyx 5-lobed, Calyx glabrous, Petals separate, Corolla papilionaceous, Petals orange or yellow, Banner petal suborbicular, broadly rounded, Stamens 9-10, Stamens monadelphous, united below, Filaments glabrous, Style terete, Fruit a loment, jointed, separating into articles, Fruit freely dehiscent, Fruit elongate, straight, Fruit oblong or ellipsoidal, Fruit exserted from calyx, Fruit inflated or turgid, Fruit spiny, bur-like, with hooked bristles or prickles, Fruit hairy, Fruit gland-dotted or with gland-tipped hairs, Fruit 1-seeded, Fruit 2-seeded, Fruit 3-10 seeded, Seeds reniform, Seed surface smooth, Seeds olive, brown, or black.



Dr. David Bogler

Source: USDA NRCS PLANTS Database

Belongs to 1 community


