Echinocereus poselgeri | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Order: | Caryophyllales |
Family: | Cactaceae |
Subfamily: | Cactoideae |
Genus: | Echinocereus |
Species: | E. poselgeri |
Binomial name | |
Echinocereus poselgeri | |
Synonyms [3] | |
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Echinocereus poselgeri, also known as the dahlia cactus, is a species of Echinocereus. It is native to Coahuila and southern Texas. [4]
Echinocereus poselgeri typically grows with several spreading shoots, forming a tuberous, dahlia-like rhizome. The dark blue-green shoots are slender, cylindrical, and taper to a point, measuring 60 to 120 cm (24 to 47 in) long and 1 to 2 cm (0.39 to 0.79 in) in diameter. They have eight to ten low, inconspicuous ribs that are not tuberculated. A single, slightly flattened, dark central spine points toward the shoot tip and is up to 9 mm (0.35 in) long. The eight to 16 whitish or grayish marginal spines, which have darker tips, are 2 to 4.5 mm (0.079 to 0.177 in) long. [5]
The funnel-shaped flowers are slightly pinkish-magenta, appearing near the tips of the shoots. They can be up to 6 cm (2.4 in) long and 7 cm (2.8 in) in diameter. The dark green to brown fruits are egg-shaped and covered with persistent wool and thorns. [5]
Echinocereus poselgeri is growing in scrub valleys and hills of southern Texas, USA, and the Mexican states of Coahuila, Nuevo León, Tamaulipas, and San Luis Potosí, typically found at low elevations in sandy soil at elevations up to 1150 meters. [6]
Charles Lemaire first described the species in 1868. The specific epithet poselgeri honors Heinrich Poselger, a German doctor, chemist, and botanist who collected succulent plants in North America from 1849 to 1851. [7]
Ariocarpus kotschoubeyanus is a species of plant in the family Cactaceae.
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Echinocereus viridiflorus is a species of cactus known by the common names nylon hedgehog cactus, green pitaya, and small-flowered hedgehog cactus. It is native to the central and south-central United States and northern Mexico, where it can be found in varied habitat types, including desert scrub, woodlands, dry grasslands, and short-grass prairie.
Thelocactus setispinus, commonly known as miniature barrel cactus or hedgehog cactus, is a species of cactus in the family Cactaceae.
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Echinocereus knippelianus is a species of hedgehog cactus native to Mexico. It can be grown in cultivation.
Echinocereus nivosus is a species of cactus native to Mexico.
Echinocereus bonkerae, also known as pinkflower hedgehog cactus, Bonker hedgehog, or short spined strawberry cactus, is a species of hedgehog cactus.
Echinocereus cinerascens is a species of cactus native from Texas to Mexico.
Cochemiea poselgeri is a species of Cochemiea found in Mexico
Echinocereus longisetus is a species of Echinocereus found in Mexico.
Echinocereus viereckii is a species of cactus native to Mexico.
Echinocereus mapimiensis is a species of cactus native to Mexico.
Echinocereus barthelowianus is a species of cactus native to Mexico.
Echinocereus schmollii is a species of cactus native to Mexico.
Echinocereus waldeisii is a species of cactus native to Mexico.
Echinocereus adustus is a species of cactus native to Mexico.