Astros Branch - American Begonia Society

 
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Main Key
Subkey 2-3
Subkey 4
Subkey 5
Subkey 6
Subkey 7-12
Subkey 14
Subkey 15-21
Subkey 22-24
Subkey 25
Subkey 26
Subkey 27-28
Subkey 29-30
Subkey 31-32
Subkey 33-34

Pictorial Key to Selected Begonia species
Subkey 22-24

2-2. Blades basifixed.
    4-2. Blades shallowly lobed to entire (entire, subentire, or lobed).
       7-2. Blades oblique or transverse with the midnerve making a distinct angle with the petiole.
             22-1 Leaves “solitary” or fasciculate (may include some species with distinct internodes)


Notes:

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  • Click "back" to return to this page.
  • Listings of each species in the Begoniaceae Keys, Editions 1 and 2, are shown in [brackets].
    See notes at the bottom of the main key for an explanation of this notation.


American

B. organensis

[23;51-1]

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Other American begonia species found but not pictured.
carrieae [ 22;40-2 / 25;61-2 ]
cristobalensis [ 22;25-1 ]
fusca [ 22;60.2 / 2;67-1* / 25;53-1 ]
glandulosa [ 22;60-1a ]
pinetorum [22;6-1 ]
pringlei [ 22;26-1 ]
rhizocaulis [ 22;52-1 / 25;37-1 ]
squarrosa [ 22;45-1 ]
stigmosa [ 22;49-1* 22;54-1 ]
repens [ 23;23-1 23;23-1 23;51-2 26;95-1 ]
urophylla [22;40-1* / 22;54-2 / 22;67-2 / 25;61-1 ]
dayi hort. (is glandulosa) [ --- ]
nigrovenia (is glandulosa) [ --- ]
olsoniae [ --- ]
ramentacea [ --- ]
vellozoana (is olsoniae) [ --- ]


African

Others African begonia species found, but not pictured.
cilio-bracteata [ 22;11-1 ]
raynaliorum [ 22;16-1 / 22;33-1 ]


Asian

B. nigritarum

[23;49-1 / 24;113-2 ]

---------------------------

Other Asian begonia species found but not pictured.
acaulis 3 [ 23;14-1 ]
annulata 3 [ 23;21-1 24;55-2 ]
prostrata 3 [ 23;9-1 24;27-1 ]
sharpeana 3 [ 23;47-1 24;44-2 24;53-1 32;80-1 ]
beddomei 3 [ 24;79-1 24;86-2 ]
decora 3 [ 24;100-2 ]
fenicis 3 [ 24;30-2 ]
venusta 3 [ 24;8-2 ]