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Cryptocoryne ideii Budianto

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This recently described (2004) new species from Central Kalimantan (Indonesia)   resembles strongly the today well known Cryptocoryne pygmaea from the Philippines. The leaves are however bright green and there are some (small) differences in the spathe. But the chromosome number is different, C.ideii has 2n = 20 while C. pygmaea has 2n= 34.  See the full description at the Document Service.

Click on the picture to get the full image (ca 50 k)

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Cryptocoryne ideii grows in the dry season on and near the banks in shallow water.
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photo Idei		 Hidden between the relatively long petioles an 'old' spathe can be seen.
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photo Idei		 Fresh collected plants. The leaves are bright green with a slight undulated margin.
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photo Budianto		 Three immature spathe's. Note the presence of numerous cataphyls.
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photo Budianto
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Fresh collected spathe's of C. ideii.
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photo Idei		 Idem, with opened kettle.
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photo Idei		 After opening of the spathe, the limb may be more or less upright.
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photo Idei		 Idem, note again the relative long petioles of the plant.
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photo Idei
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A fresh collected plant with an unopened spathe.
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photo Budianto		 Potted plants develop well in this clayish soil.
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photo Budianto		 A close up of a single spathe with the limb bend backwards. The shiny part in the throat is the collarzone.
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photo Budianto		 A cultivated C. ideii with the kettle opened.
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photo Budianto
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A cultivated plant. The spathe is hardly to be seen. Note the slight marmorated pattern on the leaves.
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photo Wongso		 Spathe with a rather oblique limb of the spathe.
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photo Wongso		 The limb of the spathe opens with about a halve turn in the lower part and ends in a long tail.
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photo Wongso		 Opened kettle. The styles of the female flowers are relative long.
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photo Wongso
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Cultivated plant with cathaphyls.
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photo Bastmeijer		 Alcohol preserved plants for further distribution as the TYPE material.
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photo Bastmeijer		 The lower part of the inflorescence, the tube is almost absent (the ruler in cm).
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photo Bastmeijer		 Detail of the collarzone and the lower part of the limb of the spathe (alcohol preserved plant).
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photo Bastmeijer
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An already fruiting specimen potted for further development.
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photo Budianto		 Opened fruit, showing the seeds. Note that the peduncle remains very short in this case.
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photo Budianto		 Drawing of C. ideii in Aqua Planta 29(4).
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drawing Line K. Jacobsen		 Known distribution of C. ideii in Central Kalimantan.

Cryptocoryne ideii is known from just one locality where it grows together with C. fusca. There are strong indications that a few other collections from Kalimantan, quite distant from the type locality, may refer to the this species.
C. ideii is rather easy to grow and it may be a good aquarium plant.

The publication of the description of C. ideii in Aqua Planta (in German and a translation of the text in English) is available in the Document Service. Use the Site Map or navigate via the Botanical tab to find it.

Jan D.Bastmeijer, March 2008

Literature:
Arends, J.J., Bastmeijer, J.D. & Jacobsen, N. 1982: Chromosome numbers and taxonomy in Cryptocoryne. - Nordic Journal of Botany 2: 453-463.
Bastmeijer, J.D. 1993: Das Pflanzenporträt: Cryptocoryne fusca De Wit. - Aqua-Planta 18(3) : 108-113.
Bastmeijer, J.D. & Kettner, C. 1993: Die Cryptocorynen von Yahalawatta (Sri Lanka). - Aqua-Planta 18(1) : 30-31.
Bastmeijer, J.D. & Morco, H. 2000: Cryptocoryne pygmaea Merrill (Araceae) von Busuanga und Palawan (Philippinen). - Aqua-Planta 25(3) : 99-107.
Budianto, H. & Bastmeijer J.D. 2004: Eine neue Cryptocoryne-Art (Araceae) aus Kalimantan (Indonesien). – Aqua Planta 29(4): 124-130.
Jacobsen, N. 1982: Cryptocorynen. Alfred Kernen Verlag, Stuttgart.
Jacobsen, N. 1985: The Cryptocoryne (Araceae) of Borneo. - Nordic Journal of Botany 5: 31-50.
Ørgaard, M. & Jacobsen, N. 1998: SEM study of surface structures of the spathe in Cryptocoryne and Lagenandra (Araceae – Aroideae - Cryptocoryneae). Botanical Journal of the Linnean Society 126: 261-289.
Wit, H. C. D. de 1990: Aquarienpflanzen. 2.ed. Verlag Eugen Ulmer, Stuttgart.

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