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Rapid in a tributary of the Subanseri river in Arunachal Pradesh, India.
photo Idei
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L. undulata grows ephiphytic on the rocks togather with various mosses.
photo Idei
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L. undulata grows half shaded at an altitude of ca. 1200 m.
photo Idei
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The patches of L. undulata are always relative small and confined to the rapids.
photo Idei
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The leaves reach up to 20 cm.
coll. Idei AR-01A
photo Idei
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The rhizome cluster, top view.
coll. Idei AR-01A
photo Bastmeijer
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idem, bottom view.
coll. Idei AR-01A
photo Bastmeijer
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idem, side view.
coll. Idei AR-01A
photo Bastmeijer
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A flowering cultivated plant. It grows slowly.
coll.: Idei AR-01 A; cult. B 1429
photo Bastmeijer
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The spathe is greenish with a short twisted limb.
coll.: Idei AR-01 A; cult. B 1429
photo Bastmeijer
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The rough, red inner side of the limb.
coll.: Idei AR-01 A; cult. B 1429
photo Bastmeijer
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Note the long peduncle.
coll.: Idei AR-01 A; cult. B 1429
photo Bastmeijer
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The leave blade is convolute rolled like Cryptocoryne! Unique in Lagenandra.
coll.: Idei AR-01 A; cult. B 1429
photo Bastmeijer
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Longitudinal section of the spathe. The spadix with the female flowers (bottom), the naked part, the male flowers and the appendix.
coll.: Idei AR-01 A; cult. B 1429
photo Bastmeijer
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The male flowers. Note that there is no collar or septum in the tube above..
coll.: Idei AR-01 A; cult. B 1429
photo Bastmeijer
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The female flowers with above the olfactory bodies.
coll.: Idei AR-01 A; cult. B 1429
photo Bastmeijer
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A young cultivated plant
coll.: Idei AR-01 A; cult. B 1429
photo Bastmeijer
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Herbarium sheet of L. undulata.
coll. Sastry 45489
herbarium WAG
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The original drawing in Sastry's article
coll. Sastry 45489
drawing Sastry
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Drawing in de Wit 1990
coll. Sastry 45489
drawing Ike Zewald
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Literature:
- Idei, T. 2012. Lagenandra undulata Sastry (Araceae) aus Arunachal Pradesh, Indien. Aqua Planta 37-1 : 10-18 (see Document service).
- Sastry, A.R.K. 1967. Lagenandra undulata - a new species of Araceae. Bul. Bot. Survey of India 9(1-4): 294-296.
- Wit, H.C.D. de, 1978. Revisie van het genus Lagenandra Dalzell (Araceae). Med. Landbouwhogeschool Wageningen 78-13.
- Wit, H.C.D. de, 1990. Aquarienpflanzen, 2. Aufl. Ulmer Verlag Stuttgart.
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