Emil Erwin Alfred Ritter von Janchen-Michel (born 15 May 1882 in

Vöcklabruck Vöcklabruck () is the administrative center of the Vöcklabruck district, Austria. It is located in the western part of Upper Austria, close to the A1 Autobahn as well as the B1 highway. Vöcklabruck's name derives from the River Vöckla which ...

; died 10 July 1970 in

Vienna en, Viennese , iso_code = AT-9 , registration_plate = W , postal_code_type = Postal code , postal_code = , timezone = CET , utc_offset = +1 , timezone_DST ...

) was an Austrian botanist.

Life and work

He earned his doctorate in 1923 at the

University of Vienna The University of Vienna (german: Universität Wien) is a public research university located in Vienna, Austria. It was founded by Duke Rudolph IV in 1365 and is the oldest university in the German-speaking world. With its long and rich hist ...

. He was scientifically active at the Botanical Institute of the University. He made several research trips. Among the plants first described by Janchen (with co-author Gustav Wendelberger) is the native Austrian wild form of ''

Brassica rapa ''Brassica rapa'' is a plant species growing in various widely cultivated forms including the turnip (a root vegetable); napa cabbage, bomdong, bok choy, and rapini. ''Brassica rapa'' subsp. ''oleifera'' is an oilseed which has many common n ...

'' subsp. ''silvestris''.

Publications

*(1906) ''Ein Beitrag Zur Kenntnis Der Flora Der Herzegowina'' – Contributions to the flora of

Herzegovina Herzegovina ( or ; sh-Latn-Cyrl, Hercegovina, separator=" / ", Херцеговина, ) is the southern and smaller of two main geographical region of Bosnia and Herzegovina, the other being Bosnia. It has never had strictly defined geogra ...

. *(1907) ''Helianthemum canum (L.) Baumg, und seine nächsten Verwandten''. Jena: Gustav Fischer – ''

Helianthemum canum ''Helianthemum oelandicum'', commonly called hoary rockrose, is a low growing plant confined to rocky dry calcareous areas especially close to the sea. Description The plant typically has a central stock from which numerous branches radiate hor ...

'' Baumg.) and related plants. *(1908) ''Die europäischen Gattungen der Farn-und Blütenpflanzen: nach dem Wettsteinschen System'' – European

fern A fern (Polypodiopsida or Polypodiophyta ) is a member of a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers. The polypodiophytes include all living pteridophytes except t ...

and flowering plant genera according to the

Wettstein system A system of plant taxonomy, the Wettstein system recognised the following main groups, according to Richard Wettstein's ''Handbuch der Systematischen Botanik'' (1901–1924). 3rd edition (1924) Outline Synopsis * Flagellatae p. 65 * ...

. *(1935) ''Obst, Südfrüchte (einschliesslich Agrumen ) und Mohn''. Vienna: Springer. *(1954, as editor) ''Festschrift für Erwin Aichinger zum 60. Geburtstag''. Vienna: Springer. *(1956 with Karl Hőfler & Fritz Knoll) ''Catalogus Florae Austriae - Ein systematisches Verzeichnis der auf österreichischem Gebiet festgestellten Pflanzenarten'', I. Teil: ''Pteridophyten und Anthophyten (Farne und Blütenpflanzen)''. Vienna: Springer. *(1977) ''Flora von Wien, Niederösterreich und Nordburgenland''. Vienna: Verein für Landeskunde von Niederösterreich u. Wien, 2nd edition 1977 – Flora of Vienna,

Lower Austria Lower Austria (german: Niederösterreich; Austro-Bavarian: ''Niedaöstareich'', ''Niedaestareich'') is one of the nine states of Austria, located in the northeastern corner of the country. Since 1986, the capital of Lower Austria has been Sankt P ...

and north

Burgenland Burgenland (; hu, Őrvidék; hr, Gradišće; Austro-Bavarian: ''Burgnland;'' Slovene: ''Gradiščanska'') is the easternmost and least populous state of Austria. It consists of two statutory cities and seven rural districts, with a total of ...

References

20th-century Austrian botanists Academics of the University of Vienna People from Vöcklabruck Austrian knights 1882 births 1970 deaths {{botanist-stub