Texas Wildbuds

Mimosa pigra var. asperata

(Black Mimosa)

_DSC1056%20copy

Mimosa pigra var. asperata, Lower Rio Grande Wildlife Management Area, Mission, Hidalgo Co. 5236

_DSC1056%20copy

Mimosa pigra var. asperata, Lower Rio Grande Wildlife Management Area, Mission, Hidalgo Co. 5232

_DSC1056%20copy

Mimosa pigra var. asperata, Lower Rio Grande Wildlife Management Area, Mission, Hidalgo Co. 5234

_DSC1056%20copy

Mimosa pigra var. asperata, Lower Rio Grande Wildlife Management Area, Mission, Hidalgo Co. 5242

Scientific Name Mimosa pigra var. asperata (M. pigra var. berlandieri, M. asperata) USDA PLANTS Symbol MIAS3
Common Name Black Mimosa, Puerto Rico Sensitive-briar ITIS Taxonomic Serial No. 507072
Family Fabaceae (Pea) SEINet
Reference
Click Here
Description Habitat: Clay soils in dry lake beds and resacas (dried, cut-off river channels).
Plant: Tall, thicket-forming perennial shrub, 3 to 6 ft. tall; , much-branched and stems armed with recurved (bent-back) whitish prickles.
Leaves: Bi-pinnately compound with 4 to 7 pairs of primary leaflets (pinnae), each 1 to 2-1/2 inches long, divided into 16 to 30 pairs of small secondary leaflets each 1/8 to 3/8-inch long and about 1 mm wide that fold up when disturbed.
Inflorescence: Dense pink, ball-shaped heads 3/8 to 5/8-inch in diameter with many very small individual flowers each with 5 petals and 8 to 12 protruding stamens with pink filaments and yellow anthers.
Bloom Period: March to November.
Fruit: Flattened pod covered with short hairs; 1-5/8 to 2 inches long and about 1/3-inch wide with 8 or more segments.
References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, Flora of North America, iNaturalist and "A New Varietal Combination in Mimosa pigra" by Vincent, Zarucchi and Gandhi.
BONAP Distribution Map

Map Color Key
Texas Status:
Native

Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County

© Tom Lebsack 2025

Every attempt is made to provide accurate, up-to-date, and relevant information, but the completeness or accuracy of any information presented on this website cannot be guaranteed. I use authoritative references to insure high standards of accuracy and review and update the information frequently.