Collecting localities




Pleyte, Didit Rudolf


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

(Source: Flora Malesiana ser. 1, 5: Cyclopaedia of collectors, Supplement I)

(Source: Flora Malesiana ser. 1, 8: Cyclopaedia of collectors, Supplement II)


Born: 1913, Weltevreden, Java.



From 1929-31 employee on the Rubber Estate Pasirdjono, Java; subsequently agriculturist on his own land; from March 1946 onwards Overseer of the Buitenzorg Botanic Gardens. In 1948 he partly accompanied the Swedish expedition of Dr S. Bergman, together with M.A. Lieftinck (see there) and several Indonesian mantris, to some Papua Islands.1 In Dec. 1954 he was transferred to the new botanic garden ‘Setia Mulia’ near Padang, Sumatra West Coast, as Supervisor but was replaced at Bogor in 1955.

Hibiscus pleijtei Borss. was named after him.


Collecting localities:

1948.1 Sailing from Priok (July 3); arrival at Sorong (22), collecting there and in the environs (July 24-Aug. 17); at Klamono, oil-field of the N.N.G.P.M. (Aug. 17-25); Sorong (Aug. 25-Sept. 7); N. coast of, and Centr. Misoöl (Sept. 7-Oct. 22): 1 week collecting from Waigama, subsequently to the mouth of the Kassiem River and upstream to Fakal (a little N of the centre of W. Misoöl); base camp at Fakal (Sept. 15-Oct. 9); Solal, situated more to the NE on the coast; leaving Sorong (Nov. 3); back at Priok (Nov. 15).-1951. Expedition to Halmaheira, forming part of the investigations of G.A.L. de Haan; the botanical-zoological group under P. Groenhart: sailing from Tandjong Priok (Aug. 13); arrival at Ternate (28); stay in Ternate (Aug. 28-Sept. 7), visiting the Peak, collecting for 3 days in the top region, and the remaining days in the vicinity of the town of Ternate; crossing by motorlaunch (Sept. 8) to Halmaheira: Djailolo (8-12); leaving (13) for Goal, staying -21, visiting Telaga Rano (18-19); Tosoa (22-23); to the Siu Mts, making bivouac on the Ake (Kali) Mumar (24-25); to the upper reaches of the Kakatua ma tawe (c. 700 m alt.) (-Oct. 8); Oct. 9 to the Ake Biaur (-Oct. 11); Oct. 12 to Tolewang (sago swamps); Pleyte and Idjan ill (rhengas poisoning?) and to Tobelo for medical treatment; Oct. 24 leaving for Kau, where most of the members suffered from illness; after return Pleyte and Idjan leaving (31) for Babaneigo and via Dodenga to Ternate (arriving Nov. 5); back at Bogor (Nov. 21).-1953. Northern Moluccas, with the zoological exploration in the ‘Samudera’ by A.M.R. Wegner of the Bogor Zool. Museum: Central Halmaheira and Obi (May-June). With P. Groenhart, J. van Borssum Waalkes (itinerary see there) etc. to Sumatra West Coast: collecting on G. Talang (June 30-July 3). -1954. W. Java. With P. Groenhart, A.G.L. Adelbert (itinerary etc. see there), etc. to Bantam (Feb.).-Possibly in 1955 in Sumatra West Coast.-1956. S. Moluccas (itinerary see sub van Borssum Waalkes).



Herb. Bog. [BO]: 860 nos, and some lichens. Hort. Bog.: 308 orchids, and seeds. The Indonesian mantris of the Herbarium, Djamhari and Main, made collections too (see there).

From Halmaheira and Ternate (1951) 425 nos were brought back to Herb. Bog. [BO], but part of the material was in a bad state and part was burnt in the drying oven, leaving c. 350 nos, and those collected by Mochtar and Idjan (see those). The Sumatra specimens are numbered in the series van Borssum Waalkes (see there); 180 nos S. Moluccas (1956).

Many living plants in Hort. Bog.



(1) cf. Flora Malesiana Bull. no 5, July 1949, p. 129.

For sketch map of Misool I. with principal collecting localities, see Nova Guinea n.s. 9, pt 2, 1958, p. 298.