Cactaceae
Ferocactus townsendianus Britton & Rose
Ferocactus townsendianus Britton & Rose
Ferocactus townsendianus is a solitary barrel cactus endemic to Baja California Sur, Mexico, with orange to red flowers and yellow fruit.
Ferocactus uncinatus (Galeotti) Britton & Rose
Ferocactus uncinatus (Galeotti) Britton & Rose
Ferocactus uncinatus is a solitary barrel cactus found in scrub on calcareous soils of southern Texas and northeastern Mexico.
Ferocactus viridescens (Torr. & A.Gray) Britton & Rose
Ferocactus viridescens (Torr. & A.Gray) Britton & Rose
Ferocactus viridescens, the San Diego barrel cactus, is a small solitary barrel cactus native to coastal southern California and northwestern Baja California, often cultivated and holding an RHS Award of Garden Merit.
Ferocactus wislizeni (Engelm.) Britton & Rose
Ferocactus wislizeni (Engelm.) Britton & Rose
Ferocactus wislizeni (fishhook barrel cactus) is a large southwestern North American arid-region cactus with hooked spines.
Grusonia parishiorum (Orcutt ex Britton & Rose) Pinkava
Grusonia parishiorum (Orcutt ex Britton & Rose) Pinkava
Grusonia parishiorum is a low-growing mat-forming cactus with spiny tubercles, yellowish flowers, and long yellow fruits.
Gymnocalycium monvillei (Lem.) Pfeiff. ex Britton & Rose
Gymnocalycium monvillei (Lem.) Pfeiff. ex Britton & Rose
Gymnocalycium monvillei is a cactus species native to Córdoba and San Luis provinces in Argentina.
Jasminocereus thouarsii (F.A.C.Weber) Backeb.
Jasminocereus thouarsii (F.A.C.Weber) Backeb.
Jasminocereus thouarsii is a treelike leafless cactus endemic to the Galápagos Islands, whose fruits are used to make refreshing juice.
Lepismium cruciforme (Vell.) Miq.
Lepismium cruciforme (Vell.) Miq.
Lepismium cruciforme is a Cactaceae species found in South America, threatened by habitat loss.
Leucostele atacamensis (Phil.) Schlumpb.
Leucostele atacamensis (Phil.) Schlumpb.
Leucostele atacamensis is a tall treelike cactus with edible dark green fruits, found across parts of Chile, Bolivia, and Argentina.
Leucostele chiloensis (Colla) Schlumpb.
Leucostele chiloensis (Colla) Schlumpb.
Leucostele chiloensis is a tree-like Chilean cactus with white daytime flowers and edible green fruits.
Leuenbergeria bleo (Kunth) Lodé
Leuenbergeria bleo (Kunth) Lodé
Leuenbergeria bleo is a flowering shrub or small tree found in Panama and Colombia, currently classified as Least Concern by the IUCN.
Lophophora williamsii (Lem. ex Salm-Dyck) J.M.Coult.
Lophophora williamsii (Lem. ex Salm-Dyck) J.M.Coult.
Lophophora williamsii, or peyote, is a small slow-growing North American cactus well known for its psychoactive alkaloid mescaline.
Mammillaria albilanata Backeb.
Mammillaria albilanata Backeb.
Mammillaria albilanata is an endemic Mexican cactus species split into four geographically separated subspecies.
Mammillaria carnea Zucc. ex Pfeiff.
Mammillaria carnea Zucc. ex Pfeiff.
Mammillaria carnea is a spherical-to-cylindrical cactus native to deciduous forests of three Mexican states.
Mammillaria haageana Pfeiff.
Mammillaria haageana Pfeiff.
Mammillaria haageana Pfeiff. is a common, widespread Cacteae cactus species native to much of Mexico.
Mammillaria heyderi Muehlenpf.
Mammillaria heyderi Muehlenpf.
Mammillaria heyderi, the Little Nipple cactus, is a small drought-resistant pincushion cactus endemic to parts of Mexico and the southwestern US.
Mammillaria lasiacantha Engelm.
Mammillaria lasiacantha Engelm.
Mammillaria lasiacantha is a wide-ranging cactus species native to desert regions of Mexico and the southwestern United States.
Mammillaria magnimamma Haw.
Mammillaria magnimamma Haw.
Mammillaria magnimamma is a perennial globose cactus from central Mexico popular in cultivation.
Mammillaria prolifera (Mill.) Haw.
Mammillaria prolifera (Mill.) Haw.
Mammillaria prolifera is a variable small cactus native to North America and the Caribbean, commonly grown in cultivation.
Mammillaria rhodantha Link & Otto
Mammillaria rhodantha Link & Otto
Mammillaria rhodantha, the rainbow pincushion, is a small frost-tolerant clumping or solitary cactus with long-blooming pink to purple flowers.
Mammillaria senilis Lodd. ex Salm-Dyck
Mammillaria senilis Lodd. ex Salm-Dyck
Mammillaria senilis is a clumping cactus that grows up to 8 inches tall and bears large red 5.5–6 cm diameter flowers.
Mammillaria uncinata Zucc. ex Pfeiff.
Mammillaria uncinata Zucc. ex Pfeiff.
Mammillaria uncinata is a small globular cactus native to multiple Mexican states at 1500–2800 m elevation.
Marginatocereus marginatus (DC.) Backeb.
Marginatocereus marginatus (DC.) Backeb.
Marginatocereus marginatus is a rarely branching columnar cactus native to Mexico and southern border US states, sometimes used for fencing.
Melocactus curvispinus Hort.Berol. ex Pfeiff.
Melocactus curvispinus Hort.Berol. ex Pfeiff.
Melocactus curvispinus is a solitary cactus with colored spines, pink-violet flowers, and a distribution from Mexico to the Caribbean and parts of South America.
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