Begonia rigidifolia ssp. sonhungii (sect. Petermannia, Begoniaceae), a new subspecies from limestone hills in Central Vietnam
Begonia rigidifolia Aver. ssp. sonhungii C.W.Lin (sect. Petermannia, Begoniaceae) from Central Vietnam is hereby described and illustrated as new. It resembles B. rigidifolia ssp. rigidifolia, but differs in its very sparsely puberulous (vs. glabrous), darker toned lamina that is embellished with a pale green broad band (vs. emerald green lamina with irregular radiantly arranged dark spots), stamens widely obovate (vs. obovate) and capsule with wider abaxial wing 6–10 mm (vs. 2–3 mm).
1972 ◽
Vol 30
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pp. 54-55
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1984 ◽
Vol 15
(4)
◽
pp. 289-294
1958 ◽
Vol 105
(12S)
◽
pp. 839-842
1964 ◽
Vol 12
(01)
◽
pp. 126-136
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Keyword(s):