Mimosa biuncifera var. lindheimeri (A. Gray) B.L. Rob.:
United States (North America)

Mimosa acanthocarpa Poir.:
Mexico (Mesoamerica)

Mimosa prolifica S. Watson:
Mexico (Mesoamerica)

Mimosa biuncifera Benth.:
El Salvador (Mesoamerica)
Mexico (Mesoamerica)
United States (North America)

Mimosa aculeaticarpa Ortega:
Mexico (Mesoamerica)
United States (North America)

Global Range: AZ [southern Apache Co. to Hualpai Mountain (Mohave Co.), south to Cochise, Santa Cruz, and Pima cos.], NM, TX (Trans-Pecos, Plains Country and Edwards Plateau); Mexico (Sonora, Chihuachua, and Coahila).

Perennial, Shrubs, Woody throughout, Stems woody below, or from woody crown or caudex, Taproot present, Nodules present, Stems erect or ascending, Stems or branches arching, spreading or decumbent, Stems less than 1 m tall, Stems 1-2 m tall, Trunk or stems armed with thorns, spines or prickles, Stems solid, Stems or young twigs glabrous or sparsely glabrate, Stems with hooked uncinate hairs or prickles, Leaves alternate, Leaves clustered on spurs or fasicles, Leaves petiolate, Stipules conspicuous, Stipules setiform, subulate or acicular, Stipules persistent, Stipules free, Leaves compound, Leaves bipinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 10-many, Leaves glabrous or nearly so, Flowers solitary in axils, or appearing solitary, Inflorescences globose heads, capitate or subcapitate, Inflorescence axillary, Inflorescence terminal, Flowers actinomorphic or somewhat irregular, Calyx 5-lobed, Calyx glabrous, Petals united, valvate, Petals white, Imperfect flowers present, dioecious or polygamodioecious, Stamens 9-10, Stamens completely free, separate, Stamens long exserted, Filaments glabrous, Filaments pink or red, Style terete, Fruit a legume, Fruit unilocular, Fruit freely dehiscent, Fruit elongate, straight, Fruit oblong or ellipsoidal, F ruit strongly curved, falcate, bent, or lunate, Fruit exserted from calyx, Fruit spiny, bur-like, with hooked bristles or prickles, Fruit glabrous or glabrate, Fruit hairy, Fruit 3-10 seeded, Seed with elliptical line or depression, pleurogram, Seeds subquadrate, Seed surface smooth, Seeds olive, brown, or black.

Type fragment for Mimosa biuncifera Benth.
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): K. Hartweg
Year Collected: 1839
Locality: E of Monserrat, Mexico, Central America

Syntype for Mimosa prolifica S. Watson
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): C. G. Pringle
Year Collected: 1885
Locality: West of Chihuahua., Chihuahua, Mexico, North America

Comments: Dry soil on mesas and rocky slopes, commonly in chaparral, 3000-6000 ft.

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Species: 1
Species With Barcodes: 1

United States

Rounded National Status Rank: NNR - Unranked

Rounded Global Status Rank: G5 - Secure

Reasons: Common in AZ, NM, TX, Sonora, Chihuahua, and Coahila.

Comments: Formerly treated as Mimosa biuncifera; Kartesz (1999) treats as the species M. aculeaticarpa (with a var. biuncifera).