Echinocereus poselgeri (Dahlia Cactus) is a shrubby, sparingly branched cactus with slender, cylindrical stems with 8 to 10 ribs lined …
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Epithet: poselgeri
Derivation: Honors Heinrich Poselger (1818-1883), a German botanist who specialized in studies of succulent plants.
Pronunciation: pos-EL-ger-ee
While the generic name must be unique, two or more genera often share the same specific epithet. Moreover, the same epithet can be used for subspecies, varieties, and forms within a species. Here is a list of plants that share this epithet.