Collecting localities




Borssum Waalkes, Jan van


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

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

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

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


Born: 1922, Groningen, Holland.



Botanist, educated at Groningen University; in 1950 appointed Assistant at the Herbarium Bogoriense, Indonesia; returned to Holland in 1957. He took his Ph.D. at Leiden University in 1966. Horticultural Taxonomist, Botanic Gardens, Groningen University.

He is preparing a thesis on Malvaceae.


Collecting localities:






1950. W. Java: Bogor (Nov.).-1951. Tjibodas, G. Gedeh (Jan. 21); Bogor, Botanic Garden (Feb. 18); Tjisarua, G. Pangrango (March 25); Djakarta (Apr. 28); Djakarta and vicinity (June); Udjong Kulon (25-28, with A. Hoogerwerf); Prinseneiland (June 29-July 3, with A. Hoogerwerf); Tjisarua, G. Pangrango (Aug. 3); Bogor (Nov. 18); Expedition to Sunda Straits under A. Hoogerwerf: Tjipining, Banten (Aug. 31); Prinseneiland (Sept. 1-Oct. 5)1; Krakatau Islands (6-13)2; Rawa Tembaga (Nov. 18)3; Pulau Damar ketjil4.-1952. W. Java: G. Pangrango (Feb. 10); S. of Tjibeber (20); Bandung (22-24); Lembang (24); Tjipetir (March 16); G. Gedeh (17-19); Lembang (Apr. 13); G. Gedeh (Aug. 29, Sept. 11-13); Depok (Oct. 2); Udjong Kulon (Nov. 15, with A. Hoogerwerf); Krakatau Islands (Nov. 16, with A. Hoogerwerf)2.-1953. Expedition to Sumatra West Coast under P. Groenhart, together with D.R. Pleyte: sailing from Priok (May 29); arrival at Padang (June 2); Telug Kabung and vicinity (June 3-8); trip to Painan (June 9); from Telug Kabung to Bukittingi (= Fort de Kock) (10); to Lubuk Sikaping (11); Panti and vicinity (12); Lubuk Sikaping and vicinity, G. Gadang (13-18); from Lubuk Sikaping to Bukittingi (19); G. Marapi, crater (21-22); from Bukittinggi to Solok via Batusangkar (= Fort v.d. Capellen) (24); vicinity of Solok, spurs of G. Bongsu (25); to Simpang, Danau di Atas, Danau di Bawah (26); to Sumpur, Lake Singkarak (28); Sawalunto (29); Sulit Ajer and vicinity (June 30­July 2); in the same period D.R. Pleyte (see there) collected on G. Talang; from Kajuarau (G. Talang) to Padang (July 4); trip to Mentawei Islands (6-10): collecting in the vicinity of Sikakap and Sioban harbour (7), Siberut (8), and Sikabaluan (9); above Indarung; leaving Padang (14); arrival at Prick (17).-1956. Southern Moluccas (Maluku Tenggara), with N.G. Bisset and D.R. Pleyte: leaving Tandjong Priok (Feb. 20); Timor: Kupang and environs (24-25), leaving (26); Babar Group: P. Wetan (arrival 28), visiting Tepah (29), by boat to Letwurung on the E. coast (staying 29-March 4), on foot to Ahanari and back (2); P. Dai (4-5); Tanimbar Isls, Jamdena: Saumla(k)ki (6-11), exploring the environs; P. Selaru: Adaut (12-15) and environs, Namtabung (16-19) and environs; Jamdena: Saumlakki (20-22); P. Larat: Ritabel and environs (24-26); Jamdena: Loroumbung on the E. coast (28), on foot to bivouac Norkeseh on the Ranarmoje River in the central part of the island (29-30), bivouac Norkeseh and vicinity (31-Apr. 5); by proa descending the Ranarmoje River to Makatian on the W. coast (6); Makatian and environs (7); Jamdena: Saumlakki and vicinity (8-10), on foot to Ilnge via Sifnana and Laurang (11), and proceeding in NW. direction (12); returning by way of Ilnge to Saumlakki (13); Saumlakki and environs (14-17); by K.P.M. steamer (18-25) to Ambon, touching at Ritabel, Elat, and Tual (Kai Isis), Dobo (Aru), and Banda; Ambon (25-May 3); Bisset and Pleyte returning to Java by K.P.M. steamer, van Borssum Waalkes by plane.



Herb. Bog. [BO]: up to 1953, 2891 nos (nos 200-1086 from Sunda Straits, nos 1436-2891 from Sumatra West Coast) (1064 phanerogams, 392 cryptogams). His Malaysian collections are numbered from 1 onwards, although some thousands of plants were collected in Europe before 1950; 384 nos S. Moluccas (only 1 from Timor). His collection includes mosses and a few fungi. Fungi destroyed by insects.



(1) J. van Borssum Waalkes: ‘Pulau Panaitan (Prinseneiland): Botanisch gedeelte’ (31ste Dienstrapport Bagian Perlindungan Alam dan Pemburuan of Djawatan Penjelidikan Alam 1951, p. 159-181).

(2) J. van Borssum Waalkes: ‘Krakatau-eilanden: Botanisch gedeelte’ (33ste Dienstrapport ibid. 1952, p. 185-198); ‘Een bezoek aan de Krakatau-eilanden’ (Trop. Natuur 32, 1952, p. 35-44); ‘The Krakatau-islands after the eruption of October 1952’ (Peng. Alam 34, 1954, p. 97-104, 4 fig.).

(3) van Borssum Waalkes: ‘Botani sche waarnemingen in en om de rawa Tembaga’ (Med. Blad Nat. Hist. Ver. Indon. 3, 1951, p. 87-90).

(4) J. van Borssum Waalkes: ‘Over de flora van Pulau Damar ketjil’’ (Med. Blad Nat. Hist. Ver. Indon. 3, 1951, p. 91-92).