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Ravenala blancii (left) and Ravenala hladikorum (right) maturing fruits, Andasibe, Madagascar, photo Marcel Hladik
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Ravenala hladikorum (left) and Ravenala blancii (right) mature infructescences with opening ripe dry fruits, Andasibe, Madagascar, photo Marcel Hladik
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Ravenala blancii (left) with pointed conical apex and Ravenala hladikorum (right) with truncated apex, Andasibe, Madagascar, photo Marcel Hladik
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Patrick Blanc and Annette Hladik discussing about the seedling differences between the yet unnamed Ravenala blancii (malama) and Ravenala hladikorum (hiranhirana), Andasibe, Madagascar, June 1998, photo Pascal Heni
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Ravenala hladikorum, young long petiolate individual in small forest gap, Andasibe, Madagascar, Photo P. Blanc
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Ravenala hladikorum, juvenile phase exhibiting long petiole and distinctly vertically staggered insertion of each half blade along the midrib, Andasibe, Madagascar, Photo Patrick Blanc
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Ravenala hladikorum, dry scalloped brown emergences of the leaf sheath, Andasibe, Madagascar, photo David Scherberich
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Ravenala hladikorum, dry scalloped brown emergences of the leaf sheath and bright green pseudo petiole, Andasibe, Madagascar, photo David Scherberich
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Ravenala hladikorum, close up of the bright brown large scalloped split leaf sheaths, Andasibe, Madagascar, photo Patrick Blanc
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Ravenala hladikorum, leaves alternately staggered and bright brown large scalloped split leaf sheaths, Andasibe, Madagascar, photo Patrick Blanc
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Ravenala hladikorum, regularly scalloped and split leaf shath margins, Andasibe, Madagascar, photo Marcel Hladik
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Ravenala hladikorum, adult in forest canopy, irregular fan shape due to the leaves alternately staggered, same as in juvenile phase, Andasibe, Madagascar, Photo Marcel Hladik
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Ravenala grandis, characteristic single stemmed tall individual with four double sets of inflorescences, the inflorescences of one set in the axil of two successive leaves, Beforona, Madagascar, photo Patrick Blanc
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Patrick Blanc climbing on a hill to observe Ravanala grandis, Beforona, Madagascar, June 1998, photo Pascal Heni
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Ravenala grandis, population in species original type of habitat, fragmented inselberg mixed with small Dicot trees, Ifanadiana, Madagascar, Photo Patrick Blanc
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Ravenala grandis, population in original species type of habitat, on fragmented inselberg mixed with small Dicot trees belonging to Dilobeia, Tambourissa, Phyllarthron, Phylloxylon, Ifanadiana, Madagascar, Photo Patrick Blanc
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Ravenala grandis, population in the original species habitat, on fragmented inselberg, characterisic single stemmed individuals mixed with small Dicot trees, Ifanadiana, Madagascar, Photo Patrick Blanc
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Ravenala grandis, population on fragmented inselberg mixed with small Dicot trees, Ifanadiana, Madagascar, Photo Patrick Blanc
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Ravenala grandis, characteristic tall single stemmed individuals in degraded habitat on eastern slopes, Ranomafana, Madagascar, Photo Patrick Blanc
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Ravenala grandis invading the slopes of anthropogenic savannas and agriculture fields, between Ranomafana and Kianjavato, Madagascar, photo David Scherberich
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Patrick Blanc and Nelson Rabenandrianina in the highly disturbed slopy Ravenala grandis habitat, Beforona, Madagascar, June 1998, photo Pascal Heni
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Patrick Blanc and Nelson Rabenandrianina digging out a Ravenala grandis seedling, Beforona, Madagascar, June 1998, photo Pascal Heni
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Ravenala grandis, seedling with downward growing thick contractile root similar to a Dicot taproot, Madagascar, Photo Patrick Blanc
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Patrick Blanc observing the contractile roots of Ravenala grandis, Beforona, Madagascar, Dec. 1997
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Ravenala grandis, contractile roots, Beforona, Madagascar, Photo Patrick Blanc
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Ravenala grandis, young individual progressively buried in the ground due to the contractile roots, stabilizing the stipe and protecting the shoot apex from recurrent fires, Beforona, Madagascar, Photo Patrick Blanc
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Ravenala grandis, young individual with the base of the future stipe deeply buried in the soil due to the activity of contractile roots, Beforona, Madagascar, Photo Patrick Blanc
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Ravenala grandis, young individual with the base of the future stipe deeply buried in the soil due to the contractile roots, Beforona, Madagascar, Photo Patrick Blanc
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Ravenala grandis, base of the single stipe of an individual anchored on a rock outcrop in fragmented inselberg, the original habitat of this species, Ifanadiana, Madagascar, Photo Patrick Blanc
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Ravenala grandis, hollowed stipes used by local populations for flooring in houses, Brickaville, Madagascar, photo Marcel Hladik
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Ravenala grandis, Ranomafana, Madagascar, photo David Scherberich
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Ravenala grandis, symmetric sides of the fan leaf arrangement, two successive leaves producing inflorescences separated by four sterile leaves, Moramanga, Madagascar, photo Marcel Hladik
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Ravenala grandis, infructescences, Ranomafana, Madagascar, photo David Scherberich
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Ravenala grandis, between Ranomafana and Kianjavato, Madagascar, photo David Scherberich
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Ravenala grandis, emerging new inflorescences and old infructescences with mature fruits, between Ranomafana and Kianjavato, Madagascar, photo David Scherberich
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Ravenala grandis, leaf sheaths and infructescence, between Ranomafana and Kianjavato, Madagascar, photo David Scherberich
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Ravenala grandis, infructescence exposing the ripe capsular fruits in the open bracts, between Ranomafana and Kianjavato, Madagascar, photo David Scherberich
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Patrick Blanc observing the inflorescence of Ravenala grandis, Beforona, Madagascar, June 1998, photo Pascal Heni
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Ravenala grandis, young inflorescence, Beforona, Madagascar, photo Pascal Heni
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Ravenala agatheae, Manehoko, Madagascar, photo David Scherberich