All the plant photographies are performed by Patrick Blanc and their use must go with the photo caption and the mention "copyright Patrick Blanc"
  • Cercestis blancii, stem producing numerous successive ramifications once it reaches the branches of the host tree, Ebodje, Campo, Cameroon

    Cercestis blancii, stem producing numerous successive ramifications once it reaches the branches of the host tree, Ebodje, Campo, Cameroon

  • Cercestis blancii, successive ramification complexes once the plant reaches its tree crown support

    Cercestis blancii, successive ramification complexes once the plant reaches its tree crown support

  • Cercestis blancii, successive traumatisms when the stem reaches the upper part of the host tree resulting in the production of many crowded new stems, Campo, Cameroun

    Cercestis blancii, successive traumatisms when the stem reaches the upper part of the host tree resulting in the production of many crowded new stems, Campo, Cameroun

  • Cercestis blancii, new lateral stem issued from a resting bud, producing a normally developped foliage leaf after just one or two cataphylls, Ebodje, Campo, Cameroon

    Cercestis blancii, new lateral stem issued from a resting bud, producing a normally developped foliage leaf after just one or two cataphylls, Ebodje, Campo, Cameroon

  • Cercestis blancii, siccessive traumatisma and resulting branching

    Cercestis blancii, siccessive traumatisma and resulting branching

  • Cercestis blancii, multiple basal stems complexe due to successive traumatisms, Ebodjé, Campo, Cameroon

    Cercestis blancii, multiple basal stems complexe due to successive traumatisms, Ebodjé, Campo, Cameroon

  • Cercestis blancii, ramification nodal complex with two living stems on the left and two dead ones on the top right

    Cercestis blancii, ramification nodal complex with two living stems on the left and two dead ones on the top right

  • Cercestis blancii, clasping roots at nodes and internodes fixing the stem to supporting branch, Campo, Cameroon

    Cercestis blancii, clasping roots at nodes and internodes fixing the stem to supporting branch, Campo, Cameroon

  • Patrick Blanc among the freely hanging spiny feeding roots of a Cercestis blancii growin 10 m above along small tree branches, Ebodjé, Campo, Cameroon, March 2018

    Patrick Blanc among the freely hanging spiny feeding roots of a Cercestis blancii growin 10 m above along small tree branches, Ebodjé, Campo, Cameroon, March 2018

  • Cercestis blancii, freely hanging feeding barbed roots, Ebodje, Campo, Cameroon

    Cercestis blancii, freely hanging feeding barbed roots, Ebodje, Campo, Cameroon

  • Cercestis blancii, freely hanging feeding roots with successive traumatisms and ramification, Ebodjé, Campo, Cameroon

    Cercestis blancii, freely hanging feeding roots with successive traumatisms and ramification, Ebodjé, Campo, Cameroon

  • Marc Jeanson using protecting gloves to pull down the barbed roots of Cercestis blancii, Ebodje, Campo, Cameroon, March 2018

    Marc Jeanson using protecting gloves to pull down the barbed roots of Cercestis blancii, Ebodje, Campo, Cameroon, March 2018

  • Marc Jeanson using protecting gloves to pull down the dreadful barbed roots of Cercestis blancii, Ebodje, Campo, Cameroon, March 2018

    Marc Jeanson using protecting gloves to pull down the dreadful barbed roots of Cercestis blancii, Ebodje, Campo, Cameroon, March 2018

  • Patrick Blanc, his pants torn by the barbed wire hanging feeding roots of Cercestis blancii, Campo, Cameroun, March 2017

    Patrick Blanc, his pants torn by the barbed wire hanging feeding roots of Cercestis blancii, Campo, Cameroun, March 2017

  • Cercestis blancii, horizontally growing clasping roots emerging just under the cataphyll node and single vertically growing barbed root emerging just above the node, Campo, Cameroun

    Cercestis blancii, horizontally growing clasping roots emerging just under the cataphyll node and single vertically growing barbed root emerging just above the node, Campo, Cameroun

  • Cercestis blancii, swollen node between cataphyll and foliage leaf from which emerge both the short clasping roots and the unique downward growing spiny feeding root

    Cercestis blancii, swollen node between cataphyll and foliage leaf from which emerge both the short clasping roots and the unique downward growing spiny feeding root

  • Cercestis blancii, insertion of the long spiny feeding root on the thick internode, just above the cataphyll scar, Nkol Elon, Campo, Cameroon

    Cercestis blancii, insertion of the long spiny feeding root on the thick internode, just above the cataphyll scar, Nkol Elon, Campo, Cameroon

  • Cercestis blancii, young freely hanging feeding root with soft green tissue but spiny emergences already appearing, Ebodjé, Campo, Cameroon

    Cercestis blancii, young freely hanging feeding root with soft green tissue but spiny emergences already appearing, Ebodjé, Campo, Cameroon

  • Cercestis blancii, swollen bulk in the feeding root causing tearing of the black epidermis and exposition of the whitish cortex, Campo, Cameroun

    Cercestis blancii, swollen bulk in the feeding root causing tearing of the black epidermis and exposition of the whitish cortex, Campo, Cameroun

  • Cercestis blancii, spiny freely hanging feeding root

    Cercestis blancii, spiny freely hanging feeding root

  • Cercestis blancii, recurved spiny emergences on the freely hanging feeding roots, Ebodje, Campo, Cameroon

    Cercestis blancii, recurved spiny emergences on the freely hanging feeding roots, Ebodje, Campo, Cameroon

  • Cercestis blancii, spiny feeding roots of the type specimen preserved in alcohol

    Cercestis blancii, spiny feeding roots of the type specimen preserved in alcohol

  • Cercestis blancii, a 8 m long spiny feeding root, Campo, Cameroon

    Cercestis blancii, a 8 m long spiny feeding root, Campo, Cameroon

  • Cercestis blancii, a 8 m long spiny feeding root, Ebodjé, Campo, Cameroon

    Cercestis blancii, a 8 m long spiny feeding root, Ebodjé, Campo, Cameroon

  • Cercestis blancii, feeding root creeping on the forest floor,, Ebodje, Campo, Cameroon

    Cercestis blancii, feeding root creeping on the forest floor,, Ebodje, Campo, Cameroon

  • Cercestis blancii, a spiny feeding root branching and creeping horizontally at the surface of the forest soil, just below the layer of leaf litter, Ebodjé, Campo, Cameroon

    Cercestis blancii, a spiny feeding root branching and creeping horizontally at the surface of the forest soil, just below the layer of leaf litter, Ebodjé, Campo, Cameroon

  • Cercestis blancii, ramification in the forest soil of the barbed armed feeding root

    Cercestis blancii, ramification in the forest soil of the barbed armed feeding root

  • Cercestis blancii, feeding root creeping on forest floor, covered by dense hairs and retaining upward spines, Ebodje, Campo, Cameroon

    Cercestis blancii, feeding root creeping on forest floor, covered by dense hairs and retaining upward spines, Ebodje, Campo, Cameroon

  • Patrick Blanc holding a spiny feeding root of Cercestis blancii, the distal part excavated from ground being branched, thicker and light brown, Ebodjé, Campo, Cameroon, March 2018

    Patrick Blanc holding a spiny feeding root of Cercestis blancii, the distal part excavated from ground being branched, thicker and light brown, Ebodjé, Campo, Cameroon, March 2018

  • Cercestis blancii, spiny feeding root excavated from forest floor, Ebodjé, Campo, Cameroon

    Cercestis blancii, spiny feeding root excavated from forest floor, Ebodjé, Campo, Cameroon

  • Cercestis blancii, excavated barbed feeding roots densely branched in the soil, Ebodge, Cameroon

    Cercestis blancii, excavated barbed feeding roots densely branched in the soil, Ebodge, Cameroon

  • Cercestis blancii, barbed feeding root, Ebodje, Campo, Cameroon

    Cercestis blancii, barbed feeding root, Ebodje, Campo, Cameroon

  • Cercestis blancii, a sharply spiny feeding root of the type specimen collected by Patrick Blanc under number 91-249 on 10th Dec. 1991, Ebodjé, Campo, Cameroon

    Cercestis blancii, a sharply spiny feeding root of the type specimen collected by Patrick Blanc under number 91-249 on 10th Dec. 1991, Ebodjé, Campo, Cameroon

  • Cercestis blancii, herbarium label of the type specimen collected by Patrick Blanc under number 91-249 on 10th Dec. 1991, Ebodjé, Campo, Cameroon

    Cercestis blancii, herbarium label of the type specimen collected by Patrick Blanc under number 91-249 on 10th Dec. 1991, Ebodjé, Campo, Cameroon

  • Cercestis blancii, last leaf of the stem subtending the terminal inflorescence

    Cercestis blancii, last leaf of the stem subtending the terminal inflorescence

  • Cercestis blancii, terminal inflorescence and other smaller ones from the flowering sympodium, Campo, Cameroon

    Cercestis blancii, terminal inflorescence and other smaller ones from the flowering sympodium, Campo, Cameroon

  • Cercestis blancii, inflorescence with spadix fully included in spathe, basal female flowers and the numerous male flowers above

    Cercestis blancii, inflorescence with spadix fully included in spathe, basal female flowers and the numerous male flowers above

  • Cercestis blancii, longitudinal section of spathe and spadix

    Cercestis blancii, longitudinal section of spathe and spadix

  • Cercestis blancii, congested male flowers, each stamen with a thick connective and pollen extruded throgh the two slits at the top of thecae

    Cercestis blancii, congested male flowers, each stamen with a thick connective and pollen extruded throgh the two slits at the top of thecae

  • Cercestis blancii, a sketch of spadix by Patrick Blanc when he thought to barbelatus as the species name due to the barbed wire like spiny aerial feeding roots

    Cercestis blancii, a sketch of spadix by Patrick Blanc when he thought to barbelatus as the species name due to the barbed wire like spiny aerial feeding roots

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