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no identification wild begonia

This is a discussion on no identification wild begonia within the The Jungle forums, part of the Land Plants category; Robert I passed your photos around to some Begonia folks here is what was said: ...

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  1. #11
    cdayinflorida's Avatar
    cdayinflorida is offline Senior Member
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    Robert I passed your photos around to some Begonia folks here is what was said:

    Re: Fw: Emailing: 2011-8-15 Merle's Greenhous Tampa 092

    This MAY be the recently described species Begonia brevipedunculata but it's
    hard to say from the photos I've seen. Here is the key distinguishing this
    species from some other similar ones in northern Vietnam, taken from the paper
    describing B. brevipedunculata:

    1a. Leaves with trichomes on the adaxial surface.
    2a. Inflorescences emerging from the erect stem
    (China, Vietnam) . . . . . . . . . . . . . . . . B. hekouensis
    2b. Inflorescences emerging from rhizomes, an
    erect stem lacking (China, Vietnam) . . . . . . . B. oreodoxa
    1b. Leaves glabrous on the adaxial surface.
    3a. Fruit clavate, indehiscent (China, Vietnam). . . B. longicarpa
    3b. Fruit turbinate, dehiscent.
    4a. Leaves glandular pubescent abaxially,
    peduncles arising directly from rhizomes
    (Vietnam only) . . . . . . . . . . . . . B. brevipedunculata
    4b. Leaves glabrous abaxially, peduncle from erect stems.
    5a. Leaves widely cuneate, oblique
    (Hainan, China, only). . . . . . . . . . . . . . B. howii
    5b. Leaves slightly cordate or rotundate,
    more or less symmetric (China, Vietnam). . B. psilophylla

    John Boggan
    Washington, DC

  2. #12
    Robert is offline Senior Member
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    sarawak, Malaysian Borneo
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    Thanks Cathy, this will narrow down the identification.

  3. #13
    harvey's Avatar
    harvey is offline Senior Member
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    Robert´s plant comes from Borneo / Sarawak. B. brevipedunculata is from Vietnam. I suppose these are two different species.

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