Collecting localities



Biographical data


Kock, Adrianus Cornelis de


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

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


Born: 1878, Haarlem, Holland. Died: 1949, The Hague, Holland.



Physician, since 1904 in the service of the D.E.I. Army; pensioned off in 1919. For 2 years attached to the Exploration Detachment in S. New Guinea, as successor of Branderhorst (see there).1

Several plants were named after him.


Collecting localities:

Dutch S. New Guinea (Sept. 1910-Febr. 1912): setting out from bivouac on the Eilanden River (Jan. 25, 1911) to the mountains; highest summit of G. Goliath, c. 3340 m alt. (Febr. 4-25);2 the expedition was back at Merauke towards the end of March, on account of illness;3 de Kock probably stayed behind on G. Goliath, judging from the labels he still collected on the highest summit of G. Goliath in the months of March and April (in Apr. once descending to 150 m), not before May leaving G. Goliath for good; exploration of the A River and the region W of it (with Cocq d’Armandville & Dumas) (probably not collecting); Tjemara bivouac and Ruimzicht bivouac (Dec.).-1918. W. Sumatra, Padang Highlands: Ampoe, Ophir Districts (Sept.).



Herb. Bog. [BO]: New Guinea plants, numbered 1-230 + material in formalin,4 and probably some from Sumatra; Herb. Leiden [L]: N.G. dupl.

In Hort. Bog.: ± 200 living plants.5

Some of his orchids were described by J.J. Smith.6



(1) Author of ‘Eenige ethnologische en anthropologische gegevens omtrent den dwergstam in het bergland van Zuid Nieuw Guinea (Goliathgebergte)’ (Tijdschr. K.N.A.G. 29, 1912, p. 154-170, 1 pl.; cf. also p. 598).

(2) cf. Versl. Milit. Expl. Ned. N.G. 1907-15 (Weltevreden 1920) p. 42.

(3) cf. Meded. Encyclop. Bur. fasc. 11.

(4) cf. Versl. Milit. Expl. etc. l.c. p. 349.

(5) cf. Versl. Pl. Tuin Buitenzorg for 1911, p. 19.

(6) In ‘Vorläufige Beschreibungen neuer papuanischer Orchideen’ IV (Bull. Jard. Bot. Buit. sér. 2, vol. 2, 1911, p. 1-20) and in Nova Guinea vol. 82 and vol. 121.


biographical data:

Backer, Verkl. Woordenb., 1936.