''Yucca constricta'' known by the common name "Buckley's

yucca ''Yucca'' ( , YUCK-uh) is both the scientific name and common name for a genus native to North America from Panama to southern Canada. It contains 50 accepted species. In addition to yucca, they are also known as Adam's needle or Spanish-bayon ...

,"Buckley. Philadelphia Academy of Natural Science Proceedings, 1862:8. 1863. is a plant in the family

Asparagaceae Asparagaceae (), known as the asparagus family, is a family of flowering plants, placed in the order Asparagales of the monocots. The family name is based on the edible garden asparagus, '' Asparagus officinalis''. This family includes both ...

. It is found in rocky

limestone Limestone is a type of carbonate rock, carbonate sedimentary rock which is the main source of the material Lime (material), lime. It is composed mostly of the minerals calcite and aragonite, which are different Polymorphism (materials science) ...

hills of central and eastern

Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...

, and also in

Coahuila Coahuila, formally Coahuila de Zaragoza, officially the Free and Sovereign State of Coahuila de Zaragoza, is one of the 31 states of Mexico. The largest city and State Capital is the city of Saltillo; the second largest is Torreón and the thi ...

, Mexico.Flora of North America v 26 p 423.
/ref> ''Yucca constricta'' is usually acaulescent (trunkless), sometimes growing in clumps, spreading by trailing stems. Flowering stalks reach as high as 50 cm (20 inches) with pendent, greenish-white flowers. Fruit is a dry capsule with shiny black seeds.Aggie horticulture, Texas A&M University.
/ref> Baker. 1870. Gardeners' Chronicle. London, 1870: 1088, ''Yucca polyphylla'' ''Yucca constricta'' is relatively abundant, and although it has local threats, its population appears to be stable overall.

References

{{Taxonbar, from=Q2601614 constricta Plants described in 1863 Plants described in 1868 Plants described in 1870 Flora of Coahuila Flora of Texas