Begonia austrovietnamica (sect. Alicida, Begoniaceae), a handsome new species from South Vietnam

CHING-I PENG; NGUYEN-DONG TRUONG; DANH-DUC NGUYEN; CHE-WEI LIN

doi:10.11646/phytotaxa.381.1.12

Issue: Vol. 381 No. 1: 7 December 2018

Type: Article

Published: 2018-12-07

DOI: 10.11646/phytotaxa.381.1.12

Page range: 95–99

Abstract views: 25

PDF downloaded: 2

Begonia austrovietnamica **(sect. Alicida, Begoniaceae), a handsome new species from South Vietnam**

CHING-I PENG⁺⁻
NGUYEN-DONG TRUONG⁺⁻
DANH-DUC NGUYEN⁺⁻
CHE-WEI LIN⁺⁻

Herbarium (HAST), Biodiversity Researach Center, Academia Sinica, Nangang, Taipei 115, Taiwan

11/3 Nguyen An Ninh street, Long Thanh Town, Dong Nai Province, Vietnam

Univ. of Science Ho Chi Minh City, 227 Nguyen Van Cu street, 5 district, Ho Chi Minh City, Vietnam

Herbarium of Taiwan Forestry Research Institute (TAIF), Taiwan Forestry Research Institute, No. 53, Nan–Hai Road, Taipei 100, Taiwan

Begonia alicida Begonia bataiensis taxonomy Eudicots

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Abstract

Begonia austrovietnamica C.-I Peng, C.W. Lin, D.D. Nguyen & N.D. Truong, a new species from Binh Thuan provice, southern Vietnam, is hereby described and illustrated. B. austrovietnamica resembles B. alicida C.B. Clarke in being a tuberous species with a dormant period, having 4-tepaled staminate flowers and 3-locular ovaries. However, the new species differs from B. alicida in being stemless with basal leaves (vs. erect stem), strongly asymmetrical (vs. slightly asymmetrical) lamina, inflorescence axillary (vs. terminal), pistillate flowers 6-tepaled (vs. 5-tepaled), ovary narrowly trigonous-ellipsoid (vs. trigonous-spheroid).