About Odontosoria biflora (Kaulf.) C.Chr.
Scientific Classification
Odontosoria biflora (Kaulf.) C.Chr. is a species of fern that belongs to the family Lindsaeaceae.
Synonyms
Like other species in this family, it has previously been placed in different genera, so it has accepted synonyms: Sphenomeris biflora and Sphenomeris chinensis ssp. biflora.
Native Range
This fern is native to Southeast China, Korea, Japan (including its offshore islands), Taiwan, and the Philippines.
Frond Morphology
Its fronds have a leathery texture, and the ultimate segments of the fronds are wedge-shaped.
Habitat and Abundance
In the northern Philippines, this species is described as common, growing on ridges and rocks at elevations up to around 150 meters.
Common Name and Uses
In parts of the Philippines, it is known by the Ivatan name tubho, and its sun-dried leaves are used to make tubho tea.
