Begonia madaiensis

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Begonia madaiensis
Begonia madaiensis 01.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Cucurbitales
Family: Begoniaceae
Genus: Begonia
Species:
B. madaiensis
Binomial name
Begonia madaiensis
Kiew
Synonyms
List

    Begonia madaiensis is a species of flowering plant in the family Begoniaceae, endemic to Mount Madai,Borneo. [1] It is a cane begonia that grows in limestone. [2]

    Contents

    Distribution and habitat

    There are 18 different species of begonia native to the 59 limestone hills in Sabah . Of these hills, 22 are protected by the Rafflesia Forest Reserve. The rest are no longer surrounded by forest, or lie within commercial forests that have been or will be logged. Because of the lack of forest, the flora on these hills are particularly vulnerable to fire. Quarrying, the collection of bird's nests, and tourism also degrade the environment. [2]

    Of the 18 begonia species, 12 are endemic to a single hill. B. madaiensis is one of these. [2]

    Distribution of Begonia species on limestone in Sabah [2]
    DistrictLocalitySpecies
    Species found on single hills
    Pensiangan Batu Punggul/Batu Tinahas Begonia amphioxus

    Begonia anthonyi

    Pensiangan Sapulut Begonia layang-layang
    Pensiangan Batu Urun Begonia urunensis
    Pensiangan Pun Batu Begonia punbatuensis
    Kinabatangan Bukit Dulung Lambu Begonia gomantongensis

    Begonia malachostica

    Kinabatangan Melikop Begonia melikopia
    Lahad Datu Mount Madai Begonia madaiensis
    Lahad Datu Bukit Baturong Begonia berhamanii

    Begonia baturongensis

    Semporna Batu Tengar Begonia keithii
    Species found on several hills in the same area
    Pensiangan Batu Punggul/Tinaha, Sapulut Begonia lambii
    Kinabatangan Kinabatangan Valley (3 hills) Begonia postarii
    Kinabatangan Kinabatangan Valley (3 hills) Begonia heliostrophe
    Lahad Datu Segama River (5 hills) Begonia diwolii

    Begonia keeana

    Widespread on limestone in Sabah Begonia gueritziana

    Plant physiology

    Begonia madaiensis is unique among begonias in that it can live in full-sun. It will not flower in deep-shade. Like other Sabah limestone begonias, it has relatively small flowers. [2]

    Etymology

    The specific epithet refers to Mount Madai, where B. madaiensis is endemic.

    References

    1. ↑ "Begonia madaiensis Kiew". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. Retrieved 6 January 2026.
    2. 1 2 3 4 5 Kiew, Ruth (2001). "The limestone Begonias of Sabah, Borneo - flagship species for conservation". The Gardens’ bulletin, Singapore. 53. Govt. Print. Off. [etc.]: 241--286.
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