This page contains photos and description of a species, form or cultivar of Costaceae.

Gingersrus Database Taxon ID 7501

Paracostus muluensis

OLD NAME: Paracostus muluensis

NEW NAME: Paracostus muluensis


FULL SCIENTIFIC NAME: Costus muluensis Meekiong, Ipor & Tawan

STATUS : accepted


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NOTE: Three new species were described in 2006 in Folio Malaysiana, Vol. 7 (1 & 2): pages 55-72. The authors acknowledged the reclassification of plants in subgenus paracostus by Chelsea Specht a few months earlier, but argued that this subgenus had been insufficiently studied and did not accept that reclassification. In a 2010 personal communication with Lim Chong Keat I was told that they were still maintaining that these species should remain as a subgenus of Costus. I am placing them here in the new genus Paracostus, but retaining the authors' original classification in the genus Costus for their formal scientific names.

Paracostus (Costus) muluensis is distinguished from Paracostus paradoxus by its white flowers with a yellow patch on the labellum instead of yellow flowers. It is found in the same areas of Mulu National Park in Sarawak, Malaysia (Borneo). Habitat is damp and wet places near streams. It does not have the bullate upper surface to the leaves as does the other two newly described species of Paracostus.


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