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Issue: Vol. 663 No. 2: 20 Aug. 2024
Type: Article
Published: 2024-08-20
DOI: 10.11646/phytotaxa.663.2.6
Page range: 101-105
Abstract views: 44
PDF downloaded: 3

Gigantochloa lako (Poaceae, Bambusoideae), a new combination for a horticulturally important bamboo species from Southeast Asia

Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China. Guangdong Provincial Key Laboratory of Digital Botanical Garden, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China. Bamboo Research Institute, Nanjing Forestry University, Nanjing 210037, China.
Environmental Bamboo Foundation, Jl. Moh. Yamin IX No. 15, Sumerta Kelod, Denpasar Timur, Denpasar, Bali, 80239, Indonesia
Guangdong Provincial Key Laboratory of Digital Botanical Garden, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China. Key Laboratory of National Forestry and Grassland Administration on Plant Conservation and Utilization in Southern China, Guangzhou 510650, China. South China National Botanical Garden, Guangzhou, 510650, China.
Herbarium, Singapore Botanic Gardens, National Parks Board, Singapore 259569, Singapore
BDG complex pseudospikelet taxonomy morphology woody bamboo Monocots

Abstract

Bambusa lako, known in horticulture as Timor black bamboo, described without flowering material initially, is a common ornamental bamboo in Southeast Asia because of its moderate size and purplish-black culms when matured. During specimen examination at the Herbarium of the Singapore Botanic Gardens, a flowering collection of B. lako came to our attention. After careful dissection and comparison, we found that the reproductive characters resembled the genus Gigantochloa rather than Bambusa, such as short rachilla segments that do not disarticulate, terminal vestigial florets and filament tubes. Therefore, the floral features were supplemented and a new combination Gigantochloa lako was proposed.

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