Date/Time- |
09-02-2011 / 11:00 AM |
Location- Place, Altitude, GP |
a river in Satyamangalam RF; TN. c 350 msl |
Habitat- Garden/ Urban/ Wild/ Type- |
riverine aquatic |
Plant Habit- |
Herb |
Height/Length- |
c. 40 cm |
Leaves Type/ Shape/ Size- |
c. 35 X 3 cm |
Inflorescence Type/ Size- |
|
Flowers Size/ Colour/ Calyx/ Bracts- |
|
Fruits Type/ Shape/ Size Seeds- | 2 - 3cm across; seeds copious |
Other Information like Fragrance, Pollinator, Uses etc.- |
Species |
Distribution in TN |
Cryptocoryne ciliata (Roxb.) Schott |
Western Ghats, Evergreen Forests |
Cryptocoryne consobrina Schott |
Western Ghats, Evergreen Forests |
Cryptocoryne retrospiralis (Roxb.) Kunth. |
Plains to Low Altitude, Marsh Localities |
Cryptocoryne spiralis (Retz.) Fischer |
Plains to Mid Altitude, Marsh Localities |
Species |
Distribution in TN |
Cryptocoryne ciliata (Roxb.) Schott |
Western Ghats, Evergreen Forests |
Cryptocoryne consobrina Schott |
Western Ghats, Evergreen Forests |
Cryptocoryne retrospiralis (Roxb.) Kunth. |
Plains to Low Altitude, Marsh Localities |
Cryptocoryne spiralis (Retz.) Fischer |
Plains to Mid Altitude, Marsh Localities |
Forwarding again for Id assistance please.
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Well, I think the best fit is Cryptocoryne retrospiralis. The pictures, especially the limb of the spathe, are not as sharp as I like to see. I attach some pictures to compare.
It is clearly not C. spiralis and its var’s (we recognize 4 types today), sivadasanii, ciliata,or cognata. So the only choice is between consobrina and retrospiralis.
C. consobrina has a rough, purple spotted limb with a warty margin. And it has a clear collar. The limb less twisted but the leaf size fits well.
C. retrospiralis has a smooth limb with distinct reddish dots on it and no collar.
Remark. In cultivation, C. retrospiralis goes dormant in the high water season, only thriving some terete leaves. In the picture you see a four year old plant with clear nodes on the rhizome. Maybe C. consobrina also does (no experience). C. sivadasanii goes dormant in nature but not in continues emergent cultivation. The other ones never go dormant as far as I know.
Best regards,
Jan D. Bastmeijer
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The Crypts pages http://crypts.home.xs4all.nl/Cryptocoryne/index.html
The Lagenandra pages http://crypts.home.xs4all.nl/Lagenandra/index.html
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