Links to all Key pages Alphabetical listing of all pictured species 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 26 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.              22-2. Leaves separated by distinct internodes                 25-1. Stems repent or pendent                    26-2. Staminate tepals 3 or more, usually 4. Notes: Click any picture to see an enlarged view. 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. acetosa Note: This plant currently grown as B. acetosa is really U254. This plant was brought back from Brazil in 1946 by Mulford B. Foster, Begonian, 8:61, 1946. The plant was mis-named as B. acetosa by Dr. L. Smith but was later named U254 by J. Golding, Begonian, 56:229, 1989. It is not B.acetosa Velozo [11;28-1a / 34;26-1] ---------------------------- B. convolvulacea [26;54-1] ---------------------------- B. cordata [ 24;8-1] ------------------------------------- B. friburgensis [24;57-2] ---------------------------- B. imperialis [8;59-1 / 22;8-1] ---------------------------- B. popenoei [24;44-1 / 24;78 / 24;82] ------------------------------------- Other American begonia species found but not pictured. itaguassuensis [26;92-2] unialata (is convolvulacea) [ --- ] African B. letestui Plant and picture by Mildred Thompson. Also known as U217. May belong in Subkey 25 rather than Subkey 26; no flowers are present to determine properly. Others African begonia species found, but not pictured. ampla [25;5-1 / 25;23-1 / 28;8-1 / 28;27-1 / 28;87-1 ] Asian B. chloroneura [26;93-1a] Plant and Picture of Lauri Gray Boundsall, July 2007 -------------------------------- B. chuniana (was known as B. handelii) [26;29-1a] -------------------------------- B. leprosa [24;47-2 / 24;76-2] -------------------------------- B. limprichtii [26;27 ] ------------------------------- B. masoniana [24;89-2 / 24;110-2 / 26;81-1 ] --------------------------------- B. pavonina [24;25-1] -------------------------------- B. rajah [23;4-2a] B. 'Mumtaz'(a cultivar) on the left and B. rajah on the right. ------------------------------- B. rex [23;36-1 / 24;94-2 ] ------------------------------- B. xanthina and B. xanthina 'Henthorne' Plant and Photo of M. Thompson [ ] ------------------------------- Other Asian begonia species found but not pictured. chloroneura [ 26;93-1a] handelii (is chuniana) [ --- ]