by Jan D. Bastmeijer ~ 2016
Suwidji Wongso & Co.
These pages are on the cultivation and taxonomy of plants of the genus Cryptocoryne & Lagenandra (Araceae)
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Cryptocoryne bogneri Rataj

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The type of C. bogneri  with the typical limb which is slightly bent forwards.
coll. Bogner 484 (1973)
photo Bogner
Another picture of the biotope where C. bogneri grows. The plant grows in very dark places in the forest.
coll. FW 90-1
photo Waser
Again the dark forest in the South West of Sri Lanka. Note the rather round shaped, heart form based leaves in green to brown.
coll. FW 90-2
photo Waser
The leaves are more or less glossy, in contrast to the dull surface of C. alba or the sandpaper-like leaves of C. thwaitesii.
coll. FW 96
photo Waser

A view on the back of the limb of the spathe. The small tail is at the end of the limb is sometimes less pronounced.
coll. FW 96
photo Waser

An emersed cultivated specimen of C. bogneri with a rather short limb of the spathe. The limb is smooth, towards the edges a bit warty.
unknown coll., cult. NJ 2917
photo Jacobsen
The leaf coloring varies between green and brown. The bud is like a upright spike with a dark tip.
coll. FW 02-1, cult B 861
The full spathe of C. bogneri. Note the short tube, the absence of a collar and the warty margin of the limb.
coll. FW 02-1, cult B 861
The lower part of the spathe opened to show the male and the female flowers.
coll. FW 02-1, cult B 861
The limb of the spathe with rough margins and top.No colour variations are known today.
coll.PB-SRL08-2, cult. NJ
photo Jacobsen
Detailed drawing of C. bogneri in de Wit (1990).The leaves are less broad and the limb is rough only in the top.
drawing Ike Zewald
Distribution of C. bogneri in the South West of Sri Lanka.

A rare Cryptocoryne from the South Western rainforest of Sri Lanka. There are only a few localities known where only a few plants were growing and it is probably the most threatened Cryptocoryne in Sri Lanka..
Compared to the other Cryptocoryne from the South Western part of  Sri Lanka, C. bogneri is the most difficult species to cultivate. C. thwaitesii is intermediate, while C. alba and C. waseri are relative easy to grow. As Kasselmann (2003)   pointed out, C. bogneri grows in water with a very low conductivity (EC = 22 muS/cm) and a moderate pH (5-7). My experience is that C. bogneri grows reasonable well emersed in water with an conductivity of around 200 muS/cm and a pH of ca 5. C. bogneri is not suited for the aquarium.

Updated July 2012


  • Arends, J.C., Bastmeijer, J.D. & Jacobsen, N., 1982. Chromosome numbers and taxonomy in Cryptocoryne (Araceae).II. Nord.J.Bot. 2 : 453-463.
  • Bogner, J., 1974. Reisindrukken uit India en Ceylon. Het Aquarium 44(8) : 210-213.
  • Bogner, J., 1980. Tropische Wasserpflanzen am natürlichen Standort. Int.Waterplanten Symp. Ludwigia, Wageningen : 51-55.
  • Eggers, G., 1994. Sri Lanka 2. Lagenandra- und Cryptocoryne-Arten. Aqua-Planta 1-94 : 20-28.
  • Graaf,, 1981. De Cryptocorynen van Sri lanka. Het Aquarium 51(10) : 276-279.
  • Graaf, & Arends, J.C., 1986. The occurrence of Cryptocoryne and Lagenandra (Araceae) on Sri Lanka. Nord.J.Bot. 6 : 757-764.
  • Graaf,, 1987. Die Verbreitung von Cryptocoryne und Lagenandra (Araceae) auf Sri Lanka. Das Aquarium 221 : 571-575.
  • Jacobsen, N., 1976. Notes on Cryptocoryne of Sri Lanka (Ceylon). Bot.Notiser 129 : 179-190.
  • Jacobsen, N., 1977. Zytologie und Taxonomie der Cryptocorynen Sri Lankas. Aqua-Planta 4-77 : 3-8.
  • Jacobsen, N., 1977. Chromosome numbers and taxonomy in Cryptocoryne (Araceae). Bot.Notiser 130 : 71-87.
  • Jacobsen, N., 1982. Cryptocorynen. Alfred Kernen Verlag, Stuttgart.
  • Jacobsen, N., 1986. Deterioration of the habitats of the Cryptocoryne species. Symp.Bedreiging van het aquatisch milieu, Ludwigia, Wageningen : 33.
  • Jacobsen, N., 1987. Cryptocoryne. A Revised Handbook to the Flora of Ceylon, Vol. VI: 85-99.
  • Kasselmann, C., 1995. Aquarienpflanzen. Ulmer, Stuttgart.
  • Kasselmann, C., 2003. Bogners Wasserkelch - neue oekologische Erkenntnisse. DATZ 56(11): 26-31.
  • Möhlmann, F., 1977. Die ceylonesischen Cryptocoryne-Arten. Aqua-Planta 1-77 : 8-9.
  • Möhlmann, F., 1993. Die Cryptocoryne-Arten Ceylons (1). Aqua-Planta 4-93 : 123-128.
  • Mühlberg, H., 1980. Das grosse Buch der Wasserpflanzen. Dausien, Hanau.
  • Rataj, K., 1975. Revision of the genus Cryptocoryne Fischer. Studie CSAV, c.3.Praha.
  • Rataj, K. & Horeman, T.J., 1977. Aquarium Plants. TFH Publ", USA.
  • Wit,, 1975. Cryptocoryne alba de Wit (nov.sp.) en Cryptocoryne bogneri de Wit (nov.sp.). Het Aquarium 45(12) : 326-327.
  • Wit,, 1990. Aquarienpflanzen, 2. Auflage. Ulmer, Stuttgart. ISBN 3-8001-7185-6.

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