Genus Hartwegia
Pictures from Observations
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For Andreas Johann Hartweg (1777–1831), German garden inspector in Karlsruhe who bred the first dahlia there in 1808. His son, Karl Theodore Hartweg (1812–1871), also worked as a garden inspector in Karlsruhe before moving on to the Jardin des Plantes Paris, and later to the Royal Horticultural Society in London, which sent him to Columbia, Ecuador, Guatemala, Mexico, northern South America and Jamaica (1826–1843), where he discovered many new orchids and other species as described in Plantae Hartwegianae by George Bentham in 1839. He went on a second mission to Mexico and California from 1845–1848 finding many newer species. On his return he was appointed director of the Grand Ducal Gardens of Swetzingen in Baden, Germany.