Begonia rigidifolia ssp. sonhungii (sect. Petermannia, Begoniaceae), a new subspecies from limestone hills in Central Vietnam

descriptionPublicationkeyboard_double_arrow_right Article 28 Apr 2021Publisher:Magnolia PressJournal:Phytotaxa, volume 498 (issn: 1179-3155, eissn: 1179-3163,

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Authors: Lin, Che-Wei; Phan, Luong-Cong-Son; Nguyen, Ngoc-Hung;

doi: 10.11646/phytotaxa.498.2.7

Begonia rigidifolia ssp. sonhungii (sect. Petermannia, Begoniaceae), a new subspecies from limestone hills in Central Vietnam

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Abstract

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).

Related Organizations

Taiwan Forestry Research Institute
Taiwan

Keywords

Tracheophyta, Magnoliopsida, Cucurbitales, Begoniaceae, Biodiversity, Plantae, Taxonomy

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