Collecting localities



Biographical data


Bloembergen, Siebe


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

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


Born: 1905, Rottevalle, Fr., Holland.



Studied botany at Groningen University, where he took his Dr’s degree in 1935. During many years he was Assistant at the said university; in May 1938 he went to the D.E.I. Some weeks after his arrival in Java he was appointed Assistant on Bodja Estate near Semarang; 1939-40 at the disposal of the director of the Forest Research Institute (Buitenzorg); since April 1940 Botanist at the Buitenzorg Herbarium.

During the war he was finally interned in Siam, was evacuated to Holland in 1946, and returned to Java in Oct. 1947.

In 1950 appointed Professor of Plant Taxonomy and Plant Geography in the Faculty of Agriculture of the University of I ndonesia at Bogor; he returned to Europe in August 1955 and in 1956 was appointed teacher in natural history at a secondary school at Leiden.


Collecting localities:

1939. W. Java: Garoet, Tasikmalaja (Jan. 24-28) with F.H. Hildebrand.-Lesser Sunda Islands.1 Lombok: western part near Poesoek Pass (Febr. 18); eastern part near Laboehanhadji, along the beach (19); Soembawa: near Soembawa-besar (19); in teak forest near kp. Kapinta E of Bima and in the neighbourhood of Dessa (20); Soemba: Waimoengoera and on the way back to Waikelo (21); Flores: G. Kingo N of Endeh and along the beach (22); Savoe: along the beach near Seba (23); Dutch Timor (Febr. 27-March 21): Noil Mina (Febr. 27-March 1); near kp. Obé Naik (March 2); Bioba and environs (4-5); on the way from Bioba to Oi Poela (6); near Kipeana (9); near Hoeë-Kenoetoe (10); rain forest Fatoe Nasimètan S of Kapan and on the way thither (11-17; the 16th near BatoeNapi); Kapan-Noil Bisnain (18); Pterocarpus forest near Soeblèlè W of Soë (20); near Baoemata SW of Koepang (21); Wetar (March 31-Apr. 20): near the Meta Lerai N of Ilwaki in rain and Eucalyptus forest (March 31-Apr. 5); on the way from the Meta Lerai to Meta Lahèla (6); near the Meta Lahela (7-8); the Meta Lahèla-Ilwaki (9); E of Ilwaki (11); near Massapoean on G. Lagantè and in a coastal grove (12-13); Moning and Oebak (14); Tarra and between Tarra and Naoemètan (15); Erai (16); Klisana (17-18); Ilwaki (20) ; Kisar (22) ; Timor: by car from Atapoepoe to Koepang (26-27).-Central Celebes.2 Attended by the ‘mantris’ of the herbarium, Asda and Anta: Donggala (July 3); by car to Paloe and Sidaoento (4) ; Tomado (5) ; crossing Lindoe Lake to the marsh on the E. coast (6); in Agathis forest on Goenoeng Ngilalaki (7-8); summit G. Ngilalaki (9); on the way back collecting in the marsh bordering the lake (11); back to Sidaoento (12); collected near Sidaoento (l3), by car to Paloe (14) and to Donggala (15), embarking the 16th on the way to the Moluccas, Soela Islands:3 (collecting 1 no in Boeroe, near Namlea), Sanana (July 23-Aug. 23) : by bicycle from Sanana to Oemo-oja and back (July 24); on foot to Molboefa and by bicycle along the coast round the north and back to Sanana (25); to Fat Iba and back (26); Sanana-Bega (27); Bega-Tandjong Baleha (28); Wai Baleha (29); T. Baleha-Fat Kaujon and back to Sanana (30); in SW. direction for exploration of the hills (31); hills NW of Tandjong Baleha (Aug. 1); T. Baleha-Wai Taboekoh (3); from Wai Taboekoh along the coast to the east (4-5); along the Wai Gaj (6); hill NE of Wai Taboekoh and along the Wai Taboekoh (7); Wai Taboekoh-Fowata (8); along the Wai Fowata (9); hills along the Wai Boessa SE of Fowata (10-11); hills along the Wai Temoea (12); Fowata-Kabauw (13) ; NE of Kabauw in the mountains (G. Gasoe) (14); NE of Kabauw (E of the creek) (15); by proa across the creek, along the Wai Booija and in mangrove forest (16); along the coast in southern direction (17); Kabauw-Molboefa (18); hills SE of Molboefa and sago swamp NE of Molboefa (19); E of Molboefa (20); across the mountains to Sanana (21); by motor-proa (24) to Mangoli (= Mangole) (Aug. 24-Oct. 19): hills N of kp. Mangoli (25); staying in bivouac Mangoli on account of a tropical ulcer (Aug. 26-Sept. 2); for medical treatment to Sanana (Sept. 3-17) and back to Mangoli: NE of Mangoli (19); NW of Mangoli (20); neighbourhood of kali Wai Mana (21-24); N of Mangoli (26); across the island via kp. Tjapaboeloe to Lampaoe (27-28); Kimakol (Sept. 29-Oct. l); coastal forest etc. (Oct. 2-3); crossing the island back to Mangoli (4-5); stay at Mangoli (6-9); by sailing-proa to Sanana (10), from where to Wai Ko (11) and kp. Wai Tamila (13), NE of Wai Tamila (14), NW of Wai Tamila (15); P. Pas Pagama (= P. Lifamatola); kp. Wai Oeffi (17); by proa via Lampace to Pas Mentjeri (18-19) and proceeding to Taliaboe: kp. Samoeja and environs (20-24); by proa through Tjapaboeloe Strait to Pas Ipa (25); Mangoli, collecting in northern direction (26); Pas Ipa (27); the next day sailing for Java.-1941. W. Java: G. Salak, G. Boender, Kawah Ratoe (Jan. 8); Tjibodas, G. Gedeh-Pangrango.



Herb. Bog. [BO]: from the Lesser Sunda Islands nos 3000-3896 (bb. nos from Timor and Wetar only, 27065-27300 in Herb. For. Res. Inst. Buitenzorg [BZF], dupl. in Herb. Bog. [BO]); from Centr. Celebes nos 3896a-4263 (bb. nos 28240-28283 in Herb. For. Res. Inst. Buit. [BZF], dupl. in Herb. Bog. [BO]); from the Soela Islands nos 4265-4792 (and bb. nos 28755-28901, 29748-29974, dupl. in Herb. Bog. [BO]). He gave 2 numbers (1 private, the other bb. no) to one and the same plant.

The plants from Garoet (1939) numbered in the Java (Ja.) series of the For. Res. Inst. Buitenzorg [BZF]; Java plants 1941 in Herb. Bog. [BO].

In Hort. Bog.: living plants from Timor and Soela Islands.



(1) S. Bloembergen: ‘Verslag van een exploratietocht naar de eilanden Timor en Wetar’ (Tectona 33, 1940, p. 101-196, with map, and in Korte Meded. Boschb. Proefstat. no 71, with Engl. summary). A brief report in Dutch on the proceedings in the islands Lombok, Soembawa, Soemba, Flores, Savoe, and Kisar, was mimeographed by the For. Res. Inst. Buitenzorg.

(2) S. Bloembergen: ‘Verslag van een exploratie-tocht naar Midden-Celebes (Lindoemeer en Goenoeng Ngilalaki ten Zuiden van Paloe) in Juli 1939’ (Tectona 33, 1940, p. 377-418, 2 fig. + map; incl. Engl. summary).

(3) S. Bloembergen: typed report on the Soela Islands 1939 in For. Res. Inst. Buitenzorg (mimeographed in 1943).


biographical data:

Backer, Verkl. Woordenb., 1936, p. 646.