Collecting localities



Biographical data


Demmeni, Jean


(Source: Flora Malesiana ser. 1, 1: Cyclopaedia of collectors)


Born: 1866, Padangpandjang, Sumatra. Died: 1939, Buitenzorg, Java.



Non-commissioned officer who entered the D.E. Indian Army in 1888; later he was transferred to the Topographical Service. In 1896-97, and 1898-1900 he accompanied the expeditions of Nieuwenhuis (see there) to Borneo, in 1908 he took part in a topographical survey of Krakatau Island, and was the first to reach the summit; in 1909-11 he was a member of the Exploration in Dutch N. New Guinea, mainly as photographer and mentor of the Dyak coolies. Employed by the Topographical Service at Batavia, 1911-20; when pensioned off in the latter year, he continued work in the Central Office of Dactyloscopy.

Dendrobium demmenii J.J.Sm. was named after him.


Collecting localities:

1909-11. Dutch N. New Guinea. Accompanying the Mamberamo Expedition, Nov. 1909-Apr. 1910:1 Manokwari (Nov. 20, 1909); setting out (Jan. 3, 1910) to the Mamberamo, making Koetei bivouac near the mouth of Van Gelder River; Pionier bivouac (Jan. 20); Febr. 11 starting in southern direction; Lake District (March 27); at 850 m alt. (Apr. 2); return to Manokwari (Apr. 23); and several tours.



Herb. Bog. [BO]: some New Guinea orchids for J.J. Smith. Dendrobium demmenii was grown by him at Batavia.

Hort. Bog.: orchids from P. Djamna, P. Roon, Kaiserin Augusta River (= Sepik) (N. New Guinea), Selakei, Boeroe, Fak Fak (SW. New Guinea), Halmaheira, Amberbaken and Manokwari (NW. New Guinea) and Ambon (pres. 1919).



(1) cf. ‘Verslag van de militaire exploratie van Ned. Nieuw Guinea, 1907-15’ (Weltevreden 1920) p. 63-64.

J. Demmeni: ‘Uit Lang vervlogen tijden. Mamberamotocht 1910’ (De Orchidee 6, 1937, p. 172-178).


biographical data:

De Orchidee 3, 1934, p. 329; Backer, Verkl. Woordenb., 1936.