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Daniel C. Thomas, Daniel C.
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STUDIES ON BEGONIA(BEGONIACEAE) OF THE MOLUCCA ISLANDS I: TWO NEW SPECIES FROM HALMAHERA, INDONESIA AND AN UPDATED DESCRIPTION OF BEGONIA HOLOSERICEA Ardi, Wisnu H; Kusuma, Yayan W . C.; Lewis, Carl L.; Risna, Rosniati A.; Wiriadinata, Harry; Abdo, Melissa E.; Thomas, Daniel C.
REINWARDTIA Vol 14, No 1 (2014): Vol. 14 No. 1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (861.565 KB) | DOI: 10.14203/reinwardtia.v14i1.391

Abstract

Two new species of Begonia, Begonia holosericeoides Ardi & D. C. Thomas and B. aketajawensis Ardi & D. C. Thomas, are described from Aketajawe Lolobata National Park, Halmahera, Indonesia. The two species belong to Begonia section Petermannia. Begonia  holosericea, previously only tentatively assigned to a section, is here assigned to section Petermannia based on the examination of newly available material. Additionally, a revised description and an illustration are provided. A key to the Moluccan species of Begonia is presented.
A NEW SPECIES OF BEGONIA (BEGONIACEAE) FROM SOUTH SULAWESI, INDONESIA, AND AN AUGMENTED DESCRIPTION OF BEGONIA BONTHAINENSIS Ardi, Wisnu Handoyo; Thomas, Daniel C.
REINWARDTIA Vol 18, No 1 (2019): Vol.18 No.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2491.283 KB) | DOI: 10.14203/reinwardtia.v18i1.3691

Abstract

ARDI, W. H . & THOMAS, D. C. 2018. A new species of Begonia (Begoniaceae) from South Sulawesi, Indonesia, and an augmented description of Begonia bonthainensis. Reinwardtia 18(1): 19−26. — Based on collections from South Sulawesi, Indonesia, an amended description of B. bonthainensis Hemsl. is provided, B. grandipetala  Irmsch is placed in synonymy of B. bonthainensis, and the new species Begonia mattampensis Ardi & D.C.Thomas is described and illustrated. Provisional conservation assessments indicate an Endangered (EN) status for B. bonthainensis, an endemic of Mt. Lompobatang and several adjacent mountains at the tip of the Southwestern arm of Sulawesi, and a Critically Endangered (CR) status for Begonia mattampensis, a limestone endemic only known from the Pangkadjene Karst.     
Co-Authors Carl L. Lewis, Carl L. Harry Wiriadinata, Harry Melissa E. Abdo, Melissa E. Rosniati A. Risna, Rosniati A. Wisnu H Ardi, Wisnu H WISNU HANDOYO ARDI, WISNU HANDOYO Yayan W . C. Kusuma, Yayan W . C.