Toutes les photographies ont été prises par Patrick Blanc et leur usage doit être accompagné de leur légende et de la mention "copyright Patrick Blanc"
  • 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

    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

  • Ravenala hladikorum, young long petiolate individual in small forest gap, Andasibe, Madagascar, Photo P. Blanc

    Ravenala hladikorum, young long petiolate individual in small forest gap, Andasibe, Madagascar, Photo P. Blanc

  • Ravenala hladikorum, juvenile phase exhibiting long petiole and distinctly vertically staggered insertion of each half blade along the midrib, Andasibe, Madagascar, Photo Patrick Blanc

    Ravenala hladikorum, juvenile phase exhibiting long petiole and distinctly vertically staggered insertion of each half blade along the midrib, Andasibe, Madagascar, Photo Patrick Blanc

  • Ravenala hladikorum, close up of the bright brown large scalloped split leaf sheaths, Andasibe, Madagascar, photo Patrick Blanc

    Ravenala hladikorum, close up of the bright brown large scalloped split leaf sheaths, Andasibe, Madagascar, photo Patrick Blanc

  • Ravenala hladikorum, leaves alternately staggered and bright brown large scalloped split leaf sheaths, Andasibe, Madagascar, photo Patrick Blanc

    Ravenala hladikorum, leaves alternately staggered and bright brown large scalloped split leaf sheaths, Andasibe, Madagascar, photo Patrick Blanc

  • Ravenala hladikorum, regularly scalloped and split leaf shath margins, Andasibe, Madagascar, photo Marcel Hladik

    Ravenala hladikorum, regularly scalloped and split leaf shath margins, Andasibe, Madagascar, photo Marcel Hladik

  • 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

    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

  • 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

    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

  • Patrick Blanc climbing on a hill to observe Ravanala grandis, Beforona, Madagascar, June 1998, photo Pascal Heni

    Patrick Blanc climbing on a hill to observe Ravanala grandis, Beforona, Madagascar, June 1998, photo Pascal Heni

  • Ravenala grandis, population in species original type of habitat, fragmented inselberg mixed with small Dicot trees, Ifanadiana, Madagascar, Photo Patrick Blanc

    Ravenala grandis, population in species original type of habitat, fragmented inselberg mixed with small Dicot trees, Ifanadiana, Madagascar, Photo Patrick Blanc

  • 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

    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

  • 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

    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

  • Ravenala grandis, population on fragmented inselberg mixed with small Dicot trees, Ifanadiana, Madagascar, Photo Patrick Blanc

    Ravenala grandis, population on fragmented inselberg mixed with small Dicot trees, Ifanadiana, Madagascar, Photo Patrick Blanc

  • Ravenala grandis, characteristic tall single stemmed individuals in degraded habitat on eastern slopes, Ranomafana, Madagascar, Photo Patrick Blanc

    Ravenala grandis, characteristic tall single stemmed individuals in degraded habitat on eastern slopes, Ranomafana, Madagascar, Photo Patrick Blanc

  • Patrick Blanc and Nelson Rabenandrianina in the highly disturbed slopy Ravenala grandis habitat, Beforona, Madagascar, June 1998, photo Pascal Heni

    Patrick Blanc and Nelson Rabenandrianina in the highly disturbed slopy Ravenala grandis habitat, Beforona, Madagascar, June 1998, photo Pascal Heni

  • Patrick Blanc and Nelson Rabenandrianina digging out a Ravenala grandis seedling, Beforona, Madagascar, June 1998, photo Pascal Heni

    Patrick Blanc and Nelson Rabenandrianina digging out a Ravenala grandis seedling, Beforona, Madagascar, June 1998, photo Pascal Heni

  • Ravenala grandis, seedling with downward growing thick contractile root similar to a Dicot taproot, Madagascar, Photo Patrick Blanc

    Ravenala grandis, seedling with downward growing thick contractile root similar to a Dicot taproot, Madagascar, Photo Patrick Blanc

  • Patrick Blanc observing the contractile roots of Ravenala grandis, Beforona, Madagascar, Dec. 1997

    Patrick Blanc observing the contractile roots of Ravenala grandis, Beforona, Madagascar, Dec. 1997

  • Ravenala grandis, contractile roots, Beforona, Madagascar, Photo Patrick Blanc

    Ravenala grandis, contractile roots, Beforona, Madagascar, Photo Patrick Blanc

  • 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

    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

  • 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

    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

  • 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

    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

  • 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

    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

  • Ravenala grandis, hollowed stipes used by local populations for flooring in houses, Brickaville, Madagascar, photo Marcel Hladik

    Ravenala grandis, hollowed stipes used by local populations for flooring in houses, Brickaville, Madagascar, photo Marcel Hladik

  • Ravenala grandis, symmetric sides of the fan leaf arrangement, two successive leaves producing inflorescences separated by four sterile leaves, Moramanga, Madagascar, photo Marcel Hladik

    Ravenala grandis, symmetric sides of the fan leaf arrangement, two successive leaves producing inflorescences separated by four sterile leaves, Moramanga, Madagascar, photo Marcel Hladik

  • Patrick Blanc observing the inflorescence of Ravenala grandis, Beforona, Madagascar, June 1998, photo Pascal Heni

    Patrick Blanc observing the inflorescence of Ravenala grandis, Beforona, Madagascar, June 1998, photo Pascal Heni

  • Ravenala grandis, young nflorescence, Beforona, Madagascar, photo Pascal Heni

    Ravenala grandis, young nflorescence, Beforona, Madagascar, photo Pascal Heni

  • Ravenala madagascariensis infructescence, drawing by Sonnerat in 1782, Plate 126, designed as the lectotype of the species due to the characteristic axis elongation between bracts during fruit maturation

    Ravenala madagascariensis infructescence, drawing by Sonnerat in 1782, Plate 126, designed as the lectotype of the species due to the characteristic axis elongation between bracts during fruit maturation

  • Ravenala madagascariensis, characteristic lax infructescence, the axis elongation between bracts during fruit maturation being similar to the lectotype drawing by Sonnerat in 1782, Brickaville, Madagascar, photo Marcel Hladik

    Ravenala madagascariensis, characteristic lax infructescence, the axis elongation between bracts during fruit maturation being similar to the lectotype drawing by Sonnerat in 1782, Brickaville, Madagascar, photo Marcel Hladik

  • Ravenala madagascariensis in acidic swampy lowgrounds with Pandanus sp. pl., Ambila Lamaitso, Madagascar, photo Patrick Blanc

    Ravenala madagascariensis in acidic swampy lowgrounds with Pandanus sp. pl., Ambila Lamaitso, Madagascar, photo Patrick Blanc

  • Ravenala madagascariensis, dense population of suckering individuals along a river bank, Brickaville, Madagascar, photo Patrick Blanc

    Ravenala madagascariensis, dense population of suckering individuals along a river bank, Brickaville, Madagascar, photo Patrick Blanc

  • Ravenala madagascariensis, reflection in a swamp, Ambila Lamaitso, Madagascar, photo Patrick Blanc

    Ravenala madagascariensis, reflection in a swamp, Ambila Lamaitso, Madagascar, photo Patrick Blanc

  • Ravenala madagascariensis in acidic swampy lowground, suckering habit and characteristic lax arrangement of the bracts in maturing infructescences, Ambila Lamaitso, Madagascar, photo Patrick Blanc

    Ravenala madagascariensis in acidic swampy lowground, suckering habit and characteristic lax arrangement of the bracts in maturing infructescences, Ambila Lamaitso, Madagascar, photo Patrick Blanc

  • Ravenala madagascariensis in acidic swampy lowgrounds, characteristic elongation of the axis between successive bracts in mature infructescences, Ambila Lamaitso, Madagascar, photo Patrick Blanc

    Ravenala madagascariensis in acidic swampy lowgrounds, characteristic elongation of the axis between successive bracts in mature infructescences, Ambila Lamaitso, Madagascar, photo Patrick Blanc

  • Ravenala madagascariensis, forest of suckering cespitose individuals at the base of slopes at low altitude, Brickaville, Madagascar, photo Patrick Blanc

    Ravenala madagascariensis, forest of suckering cespitose individuals at the base of slopes at low altitude, Brickaville, Madagascar, photo Patrick Blanc

  • Ravenala madagascariensis, forest of suckering cespitose individuals in swampy low ground at the base of slopes at low altitude, Brickaville, Madagascar, photo Patrick Blanc

    Ravenala madagascariensis, forest of suckering cespitose individuals in swampy low ground at the base of slopes at low altitude, Brickaville, Madagascar, photo Patrick Blanc

  • Ravenala madagascariensis, inflorescences with numerous bracts, with short internodes during anthesis then elongating during fruit maturation, Brickaville, Madagascar, photo Patrick Blanc

    Ravenala madagascariensis, inflorescences with numerous bracts, with short internodes during anthesis then elongating during fruit maturation, Brickaville, Madagascar, photo Patrick Blanc

  • Ravenala madagascariensis, juvenile or pseudo juvenile individuals dur to recurrent fires, the apex protected under ground surface due to contractile roots, Ambila Lemaitso, Madagascar, photo Patrick Blanc

    Ravenala madagascariensis, juvenile or pseudo juvenile individuals dur to recurrent fires, the apex protected under ground surface due to contractile roots, Ambila Lemaitso, Madagascar, photo Patrick Blanc

  • Ravenala madagascariensis, seedlings or pseudo seedlings due to recurrent fires, the apex remaining protected thanks to the contractile roots, Brickaville, Madagascar, photo Patrick Blanc

    Ravenala madagascariensis, seedlings or pseudo seedlings due to recurrent fires, the apex remaining protected thanks to the contractile roots, Brickaville, Madagascar, photo Patrick Blanc

  • Ravenala madagascariensis, seeds with bright blue aril and once aril removed, Brickaville, Madagascar, photo Patrick Blanc

    Ravenala madagascariensis, seeds with bright blue aril and once aril removed, Brickaville, Madagascar, photo Patrick Blanc

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