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In the dry season the habitat dries out ...
coll. SW1507
photo Wongso |
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... but the soil is humid to faciltate growth. coll. SW1507
photo Wongso
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A close up of emersed growing plants.
coll. SW1507
photo Wongso |
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C. wongsoi is very easy to grow, here in a mixture of coarse sand and peat litter, with an additional ferilizer.
coll. SW1507, cult. B1623 |
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C. wongsoi propagates very abundant and flowers easy.
coll. SW1507, cult. B1623 |
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A fresh openend limb of the spathe, the limb upright. There is no elevated rim "collar" betwee, throat and limb.
coll. SW1507, cult. SW
photo Wongso
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This limb twist backwards...
coll. SW1507, cult. B1623 |
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... and this one forewards.
coll. SW1507, cult. B1623 |
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An old limb, c 3 days open.
coll. SW1507, cult. B1623 |
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the smooth transition of throat and limb.
coll. SW1507, cult. B1623
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Lower side of the leaf, scale in mm.
coll. SW1507, cult. B1623 |
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Opened lower part of the spathe, usually named the kettle. Scale cm.
coll. SW1507, cult. B1623 |
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Female flowers in the lower part of the kettle.
coll. SW1507, cult. B1623 |
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Male flowers on the upper end of the spadix.
coll. SW1507, cult. B1623
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pollen grains are presed out of the male flowers and are fully stained with cottonblue, indicating that they are fertile.
coll. SW1507, cult. B1623 |
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C. wongsoi is known from only locality in northern Sumatera. |
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C. wongsoi resembles strongly C. pontederiifolia and C. moehlmannii in the vegetative parts, The hairy lower sideand must flower to be sure for identification.
Cultivation is easy in a sand-peat litter mixture but can also grow in fagus soil. Flowering all over the year. It must be a good aquarium plant.
updated 15 February 2018 |
Literature.
- Bastmeijer, J.D., Budianto, H., Ipor, I.B., Ørgaard, M.& Jacobsen, N. 2016. Cryptocoryne wongsoi (Araceae), a new species from Sumatera, Indonesia. Aroideana Vol. 39 no 2: 4-14 (Document service)
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