All the plant photographies are performed by Patrick Blanc and their use must go with the photo caption and the mention "copyright Patrick Blanc"
  • Begonia meyeri johannis, juvenile plant with brown leaves vertically climbing, Way to Lupanga peak, 1500 m asl, Uluguru Mts, Tanzania

    Begonia meyeri johannis, juvenile plant with brown leaves vertically climbing, Way to Lupanga peak, 1500 m asl, Uluguru Mts, Tanzania

  • Begonia meyeri johannis climbing on a mossy seeping rock in forest understory, way to Lupanga peak, 1500 m asl, Uluguru Mts, Tanzania

    Begonia meyeri johannis climbing on a mossy seeping rock in forest understory, way to Lupanga peak, 1500 m asl, Uluguru Mts, Tanzania

  • Begonia meyeri johannis climbing on a mossy seeping rock and the white flowering Phyllopentas schumanniana, Way to Lupanga peak, 1500 m asl, Uluguru Mts, Tanzania

    Begonia meyeri johannis climbing on a mossy seeping rock and the white flowering Phyllopentas schumanniana, Way to Lupanga peak, 1500 m asl, Uluguru Mts, Tanzania

  • Begonia tayloriana, Kisensegere, Rukwa, 1200 m asl, Tanzania

    Begonia tayloriana, Kisensegere, Rukwa, 1200 m asl, Tanzania

  • Begonia tayloriana in rocky woodland habitat, Kisensegere, Rukwa, 1200 m asl, Tanzania

    Begonia tayloriana in rocky woodland habitat, Kisensegere, Rukwa, 1200 m asl, Tanzania

  • Begonia tayloriana, basal leaves and fruit, Kisensegere, Rukwa, 1200 m asl, Tanzania

    Begonia tayloriana, basal leaves and fruit, Kisensegere, Rukwa, 1200 m asl, Tanzania

  • Begonia tayloriana, small tuber at the base of the seasonal stems, Kisensegere, Rukwa, 1200 m asl, Tanzania

    Begonia tayloriana, small tuber at the base of the seasonal stems, Kisensegere, Rukwa, 1200 m asl, Tanzania

  • Begonia tayloriana, axillary and terminal inflorescences, progressive reduction of laf size towards the apical part of the seasonal stem, Kisensegere, Rukwa, 1200 m asl, Tanzania

    Begonia tayloriana, axillary and terminal inflorescences, progressive reduction of laf size towards the apical part of the seasonal stem, Kisensegere, Rukwa, 1200 m asl, Tanzania

  • Begonia tayloriana, withering male flowers and maturing fruits, Kisensegere, Rukwa, 1200 m asl, Tanzania

    Begonia tayloriana, withering male flowers and maturing fruits, Kisensegere, Rukwa, 1200 m asl, Tanzania

  • Begonia tayloriana, male and female flowers and fruit, Kisensegere, Rukwa, 1200 m asl, Tanzania

    Begonia tayloriana, male and female flowers and fruit, Kisensegere, Rukwa, 1200 m asl, Tanzania

  • Begonia tayloriana, male flowers of a pink tepaled form, Kisensegere, Rukwa, 1200 m asl, Tanzania

    Begonia tayloriana, male flowers of a pink tepaled form, Kisensegere, Rukwa, 1200 m asl, Tanzania

  • Patrick Blanc observing a population of Begonia riparia on a vertical rocky bank, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania, Jan. 2021

    Patrick Blanc observing a population of Begonia riparia on a vertical rocky bank, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania, Jan. 2021

  • Begonia riparia on a vertical earth and rock bank, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

    Begonia riparia on a vertical earth and rock bank, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

  • Begonia riparia, dense population on a large vertical mossy rock, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

    Begonia riparia, dense population on a large vertical mossy rock, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

  • Begonia riparia, dense population, mostly brown individuals, on a vertical mossy rock, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

    Begonia riparia, dense population, mostly brown individuals, on a vertical mossy rock, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

  • Begonia riparia, mixed population on a vertical rocky bank, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

    Begonia riparia, mixed population on a vertical rocky bank, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

  • Begonia riparia, individuals established along a horizontal rock fissure on the vertical rock face, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

    Begonia riparia, individuals established along a horizontal rock fissure on the vertical rock face, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

  • Begonia riparia, population of different leaf color forms on a vertical rock, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania,

    Begonia riparia, population of different leaf color forms on a vertical rock, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania,

  • Begonia riparia, different leaf color forms, more or less silver spotted, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

    Begonia riparia, different leaf color forms, more or less silver spotted, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

  • Begonia riparia, leaves transluscent due to sunflecks, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

    Begonia riparia, leaves transluscent due to sunflecks, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

  • Begonia riparia, leaves translucent due to sunflecks, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

    Begonia riparia, leaves translucent due to sunflecks, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

  • Begonia riparia, branched superficial tuber on vertical mossy rock, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

    Begonia riparia, branched superficial tuber on vertical mossy rock, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

  • Begonia riparia, maturing inflorescence, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

    Begonia riparia, maturing inflorescence, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

  • Begonia riparia, young inflorescence, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

    Begonia riparia, young inflorescence, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

  • Begonia riparia, developing inflorescence and multi cellular hairs covering the upper leaf blade surface, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

    Begonia riparia, developing inflorescence and multi cellular hairs covering the upper leaf blade surface, Sanje waterfall, Udzungwa NP, 600 m asl, Tanzania

  • Patrick Blanc observing a flowering and fruiting individual ob Begonia engleri on a vertical boulder near a waterfall, East Usambara Mts, 500 m asl, Tanzania, Jan. 2021

    Patrick Blanc observing a flowering and fruiting individual ob Begonia engleri on a vertical boulder near a waterfall, East Usambara Mts, 500 m asl, Tanzania, Jan. 2021

  • Patrick Blanc observing the dry mature capsular fruits of Begonia engleri on a vertical boulder near a waterfall, East Usambara Mts, 500 m asl, Tanzania, Jan. 2021

    Patrick Blanc observing the dry mature capsular fruits of Begonia engleri on a vertical boulder near a waterfall, East Usambara Mts, 500 m asl, Tanzania, Jan. 2021

  • Begonia engleri on a vertical boulder near a waterfall, East Usambara Mts, 500 m asl, Tanzania

    Begonia engleri on a vertical boulder near a waterfall, East Usambara Mts, 500 m asl, Tanzania

  • Begonia engleri in the fissure of a vertical boulder close to a waterfall, East Usambara Mts, 500 m asl, Tanzania

    Begonia engleri in the fissure of a vertical boulder close to a waterfall, East Usambara Mts, 500 m asl, Tanzania

  • Begonia engleri, tall flowering and fruiting individual at the top of a rock, East Usambara Mts, 500 m asl, Tanzania

    Begonia engleri, tall flowering and fruiting individual at the top of a rock, East Usambara Mts, 500 m asl, Tanzania

  • Begonia engleri on a shaded rock, East Usambara Mts, 400 m asl, Tanzania

    Begonia engleri on a shaded rock, East Usambara Mts, 400 m asl, Tanzania

  • Begonia engleri on a rock in clear forest understory habitat, East Usambara Mts, 400 m asl, Tanzania

    Begonia engleri on a rock in clear forest understory habitat, East Usambara Mts, 400 m asl, Tanzania

  • Begonia engleri on rock in forest understory, East Usambara Mts, 400 m asl, Tanzania

    Begonia engleri on rock in forest understory, East Usambara Mts, 400 m asl, Tanzania

  • Begonia engleri, deeply impressed red veins emerging on the lower surface of the leaf blade, East Usambara Mts, 400 m asl, Tanzania

    Begonia engleri, deeply impressed red veins emerging on the lower surface of the leaf blade, East Usambara Mts, 400 m asl, Tanzania

  • Begonia engleri, hirsute stiff red hairs on stem, petioles and lower leaf surface veins, East Usambara Mts, 500 m asl, Tanzania

    Begonia engleri, hirsute stiff red hairs on stem, petioles and lower leaf surface veins, East Usambara Mts, 500 m asl, Tanzania

  • Begonia engleri, ring of long whitish hairs at the junction between petiole and leaf blade, East Usambara Mts, 400 m asl, Tanzania

    Begonia engleri, ring of long whitish hairs at the junction between petiole and leaf blade, East Usambara Mts, 400 m asl, Tanzania

  • Begonia engleri, inflorescence with male and female flowers, East Usambara Mts, 400 m asl, Tanzania

    Begonia engleri, inflorescence with male and female flowers, East Usambara Mts, 400 m asl, Tanzania

  • Begonia engleri, male and female flowers, East Usambara Mts, 400 m asl, Tanzania

    Begonia engleri, male and female flowers, East Usambara Mts, 400 m asl, Tanzania

  • Begonia engleri, mature capsular fruits, the distally dried and downwards curved peduncle allows efficient incensory wind dispersal of the dusty seeds, East Usambara Mts, 400 m asl, Tanzania

    Begonia engleri, mature capsular fruits, the distally dried and downwards curved peduncle allows efficient incensory wind dispersal of the dusty seeds, East Usambara Mts, 400 m asl, Tanzania

  • Begonia engleri, dry mature downwards oriented capsules with slits allowing incensory wind dispersal of the dusty seeds, East Usambara Mts, 500 m asl, Tanzania

    Begonia engleri, dry mature downwards oriented capsules with slits allowing incensory wind dispersal of the dusty seeds, East Usambara Mts, 500 m asl, Tanzania

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