Karl Andreas Geyer

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Karl Andreas Geyer ( better known in the USA as Carl A. Geyer ; born November 30, 1809 in Dresden , Saxony ; † November 21, 1853 ) was a German botanist . Its official botanical author's abbreviation is " Geyer ".

Life

Geyer was the son of a gardener and grew up in Dresden. After some lessons in Latin, he began as an apprentice at the Botanical Garden of Zabeltitz near Grossenhain . In 1830 he returned to Dresden and became an assistant at the Botanical Garden. In February 1835 he left Dresden and emigrated to the USA.

From New York City he immediately drove west to St. Louis , where he arrived in April 1835. He immediately started expeditions to collect plants. His first voyage took him up the Missouri River to Indian- controlled areas on the lower Platte River . By the end of October 1838, he had collected more than 450 plants, most of them in Minnesota . From 1838 to 1840 he accompanied Joseph Nicolas Nicollet . In 1841 and 1842 he collected plants for Georg Engelmann in Iowa , Illinois and Missouri . His most successful tour took him in 1844 as a companion of the Scottish explorer Sir William Drummond Stewart (1795-1871) through Missouri, Nebraska and the mountains of Wyoming . Geyer left the research group and went on excursions in Idaho and Washington . He descended from the mountains along the Columbia River to Fort Vancouver . He returned to Europe via Hawaii . He gave his collected plants to William J. Hooker at the Royal Botanic Garden in Kew . Hooker published the results in the Journal of Botany . Thirteen plant species were named after Geyer, including Allium geyeri , Aster geyeri , Astragalus geyeri , Carex geyeri , Coggswellia geyeri , Delphinium geyeri and Euphorbia geyeri .

In autumn 1845 Geyer bought a piece of land in Meißen and founded a tree nursery. In 1846 he married. From 1851 he was the editor of the gardening magazine Die Chronik des Gartenwesens . He died on November 21, 1853.

Among other things, he found specimens of the buttercup family Trautvetteria caroliniensis (Walt.) Vail in Cass County in Illinois , which was never observed there afterwards.

Fonts

  • Virginia: physico-geographical and statistical description of the same; with special consideration for German emigration . Goedsche, Meißen 1848.
  • Chronicle of gardening . CC Klinkicht & Sohn, Meißen 1851–1853. Volume 1 , Volume 2 , Volume 3 .

literature

  • Carl Andreas Geyer . In: Bonplandia . Volume 2, Number 6, March 15, 1854, pp. 71–73, (online)
  • Michael Heinz: Botanical Exploration of Minnesota's Prairies: 1838-39, Carl Andreas Geyer . In: Minnesota Plant Press . Volume 8, Number 3, 1989, pp. 8-11, PDF .

Individual evidence

  1. ↑ advertisement . In: Oesterreichische Botanisches Wochenblatt . Volume 3, number 30, p. 240, doi: 10.1007 / BF02052937 .

Web links

personal data
SURNAME Geyer, Karl Andreas
ALTERNATIVE NAMES Geyer, Carl André; Geyer, Carl Andreas
BRIEF DESCRIPTION German botanist
DATE OF BIRTH November 30, 1809
PLACE OF BIRTH Dresden
DATE OF DEATH November 21, 1853