Abstract
A new species, Scaevola subalpina, is described and illustrated from the subalpine forest of Mount Mantalingahan Protected Landscape on the island of Palawan in the Philippines. The new species is most similar to Scaevola glabra, a species endemic to the Hawaiian archipelago. Both species grow at high elevations and share solitary or few-flowered inflorescences and yellow corollas but can be differentiated by flower size and structure. The flowers of S. subalpina are much shorter, and the corolla is half open from the base (as in most other species of the genus), whereas in S. glabra the corolla is fused to form a tube that splits open in only the distal portion to form lobes. Scaevola subalpina is the only Phillippine-endemic of four species of the genus that are native to the Philippines. It appears to be critically endangered.
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