Plant Ecology and Evolution 148(3): 420-430, doi: 10.5091/plecevo.2015.1073
A revision of Timonius (Rubiaceae) in Kinabalu Park, Borneo, with notes on typification and species distinction
Junhao Chen, Hugh T.W. Tan, Khoon Meng Wong‡‡ Singapore Botanic Gardens, Singapore, Singapore
© Botanic Garden Meise and Royal Botanical Society of Belgium. all rights reserved Citation:
Chen J, Tan HT.W, Wong KM (2015) A revision of Timonius (Rubiaceae) in Kinabalu Park, Borneo, with notes on typification and species distinction. Plant Ecology and Evolution 148(3): 420-430. https://doi.org/10.5091/plecevo.2015.1073 |  |
Abstract
Background – Timonius is the largest genus within the tribe Guettardeae of the family Rubiaceae. This genus is poorly studied, particularly in West Malesia. Methods – A revision of the genus in Kinabalu Park was conducted using ordinary practices of herbarium taxonomy. The specimen holdings of the BO, BRUN, K, L, SAN, SING and SNP herbaria were examined. Results – Thirteen species of Timonius are recognised in Kinabalu Park, of which seven are likely to be endemic to the Kinabalu massif including four that appear to occur exclusively on ultramafic substrates. Two lectotypes and two new synonyms are herein designated.
Keywords
BORNEO; ENDEMICS; KINABALU PARK; MALESIA; RUBIACEAE; TIMONIUS; ULTRAMAFIC SUBSTRATES