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Cornelis Andries Backer

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Cornelis Andries Backer
Backer (September 1900) – 26 years old
Born(1874-09-18)18 September 1874
Oudenbosch, the Netherlands
Died22 February 1963(1963-02-22) (aged 88)
Heemstede, the Netherlands
NationalityDutch
Known forFlora of Java
Scientific career
FieldsBotany, plant systematics, pteridology
InstitutionsLeiden University, Rijksherbarium
Signature

Cornelis Andries Backer (1874–1963) was a Dutch botanist and pteridologist.[1][2][3][4][5] He was born on 18 September 1874 in Oudenbosch and died on 22 February 1963 at Heemstede, The Netherlands. He stayed thirty years in the Dutch East Indies and did research on plant taxonomy on the islands of Java and Madura.

Biography

Netherlands (1874–1900)

Birth certificate (1874)

From his father's side Backer was a scion of a family of school teachers, from his mother's of the lesser peasantry. On his birth certificate his surname was written Bakker instead of Backer. Following time-honoured custom Backer, when fifteen, attended the State Teachers’ Seminary at Haarlem (1889–1893). His interest in botany had already expressed itself at the Seminary. After his finals he had posts at several small villages. This was the time that he came into contact with contemporary Dutch botanists including Hendrik Heukels (1854–1936) and Eduard Heimans (1861–1914).

Dutch East Indies (1901–1930)

Backer (12 August 1930) – 55 years old (Tosari, East Java)

Weltevreden

In 1901 Backer left the Netherlands and went to the Dutch East Indies. Between 1901 and 1905 he was employed as a primary school teacher at a private boarding school in Weltevreden (Batavia), (now Gambir, the centre of Jakarta in Java. Immediately he started to collect the plants around him, but to name them unreliable or incomplete treatises had been written, now also outdated and often not readily available. Thus, he decided to write one himself, with the flora of his immediate surroundings as a start, and this marked a milestone in his life and for Malesian botany.

’s Lands Plantentuin in Buitenzorg (1910)

Buitenzorg

He came into contact with Melchior Treub (1851–1910), the Director of 's Lands Plantentuin in Buitenzorg (now the Bogor Botanical Gardens). Through Treub’s mediation Backer was given an appointment as Assistant at the Laboratory with as instruction to write a critical school flora for Java and to teach at the Agricultural School at Buitenzorg. From 1905 till 1924 Backer was employed at the botanical gardens. He scoured the fields and forests of Java, Madura, and the adjacent Kangean Islands, and so collected about 30,000 specimens while making daily trips of thirty to forty kilometres on foot.

Pasuruan

From 1924 till 1931 Backer was employed at the ‘Proefstation voor de Java-Suikerindustrie’ (Experimental Station for the sugar industry of Java) in Pasuruan on East Java. He wrote a flora on the weeds of the cane fields of Java (753 species).

The problem of volcano Krakatao

Melchior Treub sent Backer on two expeditions to the volcano Krakatao, in 1906 and in 1908.[6][7] In 1929 Backer published his contentious book The problem of Krakatao, as seen by a botanist, in which he maintained that not all plant life had been destroyed by the gigantic eruption of the volcano, but that rootstocks and diaspores might have been buried to sprout again.[8][9][10][11] Indeed, this possibility cannot be ruled out completely because of the failure of the Government to undertake any research immediately after the 1883 eruption of Krakatoa. Only as late as June 1886 the first biologist, Melchior Treub, came to take stock, but grasses had already been observed on the slopes in 1884 by the Dutch geologist Rogier Verbeek (1845–1926).[12][13][14][15][16][17]

Back in the Netherlands (1931–1963)

Backer (1934) – 60 years old

In 1931 Backer and his family returned to the Netherlands.[18] They first lived in Haarlem and then settled in Heemstede where he worked until his last years on his ‘magnum opus’, the Flora of Java.[19] Backer made Reinier Cornelis Bakhuizen van den Brink Jr. (1911–1987) co-author of the Flora of Java. On 22 February 1963 Cornelis Andries Backer passed away. The Flora of Java was posthumously published in three parts (1964–1968). In this flora about 6,100 species of flowering plants were described.

Honours

Honorary degree

In 1936 the Utrecht University on the nomination by the Utrecht Professors Victor Jacob Koningsberger (1895–1966) and August Adriaan Pulle (1878–1955) at the event of the 300th anniversary conferred on him the honorary degree of Doctor of Science because of his botanical achievements.[20][21]

Orchid Ceratostylis backeri. Habitat: Central and West Java – at elevations of 1500 to 2500 m – grows as epiphyte on small trees.
Ceratostylis backeri
Ceratostylis backeri

Plants named after Backer

The genus Backeria (Melastomataceae) was named after Backer in 1943 by Reinier Cornelis Bakhuizen van den Brink Jr.[22]

The following species have been named after Backer through the specific name backeri:

Botanical references

The standard author abbreviation Backer is used to indicate this person as the author when citing a botanical name.[23]

Bibliography

  • — (1907). Flora van Batavia: Dicotyledones dialypetalae (Thalamiflorae en Disciflorae) (in Dutch). G. Kolff.
  • 1908: Voorlooper eener schoolflora voor Java, Batavia, Departement van Landbouw, G. Kolff.
  • 1909: De flora van het eiland Krakatau. In: De opneming van de Krakatau-Groep in Mei 1908. Jaarverslag van den Topographischen dienst in Nederlandsch-Indie over 1908. 4:189–191.
  • 1911: Schoolflora voor Java (medeauteur: Dirk Fok van Slooten), Weltevreden, Visser & Co.
  • 1912: Aanteekenboekje voor het plantkundig onderwijs in de lagere klassen van middelbare scholen (medeauteur: A.J. Koens), Weltevreden, Visser & Co.
  • 1912: Sawah planten, De Tropische Natuur 1: 129–135.
  • 1913: Kritiek op de Exkursionsflora von Java (bearbetet von Dr. S.H. Koorders), Weltevreden, Visser & Co.
  • 1913: Sawah planten, De Tropische Natuur 2: 74–76, 81–85, 118–122, 132–133.
  • 1914: Sawah planten, De Tropische Natuur 3: 55–62.
  • 1917–1922: Indische duinplanten, De Tropische Natuur 6: 73–78, 89–92, 97–100, 145–147; 7: 5-11, 55–59; 8: 6–10; 9: 173–191; 10: 12–17; 11: 131–140; 12: 17–22.
  • —; D. F. van Slooten; Dutch East Indies. Procistation voor thee (1924). Geïllustreerd handboek der Javaansche theeonkruiden en hunne betekenis voor de cultuur (in Dutch). Ruygrok & Co.
  • — (1928). Handboek voor de flora van Java (in Dutch). Drukkerijen Ruygrok & Company.
  • 1928–1934: Onkruidflora der Javasche Suikerrietgronden, Pasoeroean, Proefstation voor de Java-Suikerindustrie.
  • — (1929). The problem of Krakatao as seen by a botanist. Printed by H. Van Ingen.
  • 1929: The problem of Krakatao as seen by a botanist, Weltevreden, Visser & Co., ’s-Gravenhage, Martinus Nijhoff.
  • 1931: De vermeende sterilisatie van Krakatau in 1883, Vakblad voor Biologen XII: 157–162.
  • 1936: Verklarend woordenboek der wetenschappelijke namen van de in Nederland en Nederlandsch Indië in het wild groeiende en in tuinen en parken gekweekte varens en hoogere planten, Groningen, P. Noordhoff N.V., Batavia, Noordhoff-Kolff.
  • 1936: Verwideringscentra op Java van uitheemsche planten, De Tropische Natuur 25: 51–60.
  • — (1939). Varenflora voor Java: overzicht der op Java voorkomende varens en varenachtigen, hare verspreiding, oekologie en toepassingen (in Dutch). 's Lands Plantentuin.
  • — (1949). Dutch-English taxonomic-botanical vocabulary. Flora Malesiana.
  • 1940–1948: Beknopte flora van Java (7 volumes), (emergency edition), Leiden, Rijksherbarium.
  • 1951: Sonneratiaceae (co-author: Cornelis van Steenis, Flora Malesiana 74: 280–289.
  • — (1968). Flora of Java. Bishen Singh Mahendra Pal Singh.
  • 1963–1965–1968: Flora of Java (three volumes), (co-author: Reinier Cornelis Bakhuizen van den Brink Jr.), Groningen, Noordhoff.
  • — (1973). Atlas of 220 Weeds of Sugar-cane Fields in Java. Ysel Press.
  • 2000: Reprint. Verklarend woordenboek der wetenschappelijke namen van de in Nederland en Nederlandsch Indië in het wild groeiende en in tuinen en parken gekweekte varens en hoogere planten, Amsterdam/Antwerpen, L.J. Veen.

References

  1. ^ Veldkamp, J.F. (2001). "A short biography of C.A. Backer, nestor of the Flora of Java". Flora Malesiana Bulletin. 12 (7/8).
  2. ^ Rijksherbarium Leiden. Backer, Cornelis Andries. http://www.nationaalherbarium.nl/FMCollectors/B/BackerCA.htm
  3. ^ Steenis, C.G.g.J. van. (1963). "Cornelis Andries Backer (1874-1963). In Memoriam". Taxon. 12: 173–177.
  4. ^ Flora Malesiana: Being an Illustrated Systematic Account of the Malaysian Flora ... Noordhoff-Kolff. 1978. ISBN 978-90-286-0178-9.
  5. ^ R. K. Brummitt; C. E. Powell (1 January 1992). Authors of Plant Names: A List of Authors of Scientific Names of Plants, with Recommended Standard Forms of Their Names, Including Abbreviations. Royal Botanic Gardens, Kew. ISBN 978-0-947643-44-7.
  6. ^ Backer, C.A. 1909. De flora van het eiland Krakatau. In: De opneming van de Krakatau-Groep in Mei 1908. Jaarverslag van den Topographischen dienst in Nederlandsch-Indie over 1908. 4: 189–191.
  7. ^ Ernst, A. 1907. Die neue Flora der Vulkaninsel Krakatau. Vierteljahrschrift d. Naturf. Ges. in Zürich. Jahrg. 52: 289–363.
  8. ^ Backer, C.A. 1929. The problem of Krakatao as seen by a botanist. Weltevreden, Visser & Co., ’s-Gravenhage, Martinus Nijhoff.
  9. ^ Backer, C.A. 1931. De vermeende sterilisatie van Krakatau in 1883. Vakblad voor Biologen XII: 157–162.
  10. ^ Winchester, S. 2003. Krakatoa: The Day the World Exploded: August 27, 1883. Harper Collins, New York, pages 209–316.
  11. ^ Martí J. & Ernst G. 2005. Volcanoes and the Environment. Nature, 256–259.
  12. ^ Treub, M. 1888. Notice sur la nouvelle flore de Krakatau. Annales du Jardin Botanique de Buitenzorg. 7: 213–223.
  13. ^ Verbeek, R.D.M. 1885. Krakatau. Batavia, Landsdrukkerij.
  14. ^ Treub, M. 1889. Over het nieuwe Plantenkleed van Krakatau. Natuurkundig Tijdschrift voor Nederlandsch-Indië. Deel 48.
  15. ^ Van Dijk, P.J. The Problems of Krakatau. https://pvdijk57.home.xs4all.nl/Krakatau/Krakatau-eng.html#Backer Archived 2011-12-25 at the Wayback Machine
  16. ^ Thornton. I. 1996. Krakatau, the destruction and reassembly of an island ecosystem. Harvard University Press, Cambridge (Mass.), London (England).
  17. ^ Parrish, T.L. 2003. Krakatau: genetic consequences of island colonization https://dspace.library.uu.nl/bitstream/handle/1874/227/full.pdf?sequence=1
  18. ^ Leefmans, S. 1931. Bij het vertrek van C.A. Backer uit Indie. De Tropische Natuur 20: 77–78.
  19. ^ Nieuwe Leidsche Courant, 10 mei, 1962, pagina 13 – Flora of Java in Leiden.
  20. ^ Leer, A. van. 1936. C.A. Backer, Doctor honoris causa. Msc. (Archives NHN, Leiden).
  21. ^ Steenis, C.G.G.J, van. 1936. C.A. Backer, Doctor honoris causa. De Tropische Natuur 25: 89–90.
  22. ^ Umberto Quattrocchi (17 November 1999). CRC World Dictionary of Plant Names: Common Names, Scientific Names, Eponyms, Synonyms, and Etymology. CRC Press. pp. 249–. ISBN 978-0-8493-2675-2.
  23. ^ International Plant Names Index.  Backer.
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