Adiantum philippense

Description

Adiantum philippense, (Goyali Lota, Kalijhant in Bengali:, Hamsapadi, Kitamata, Tripadika in Sanskrit, Jarigida in Kannada, Hamsapadi in Hindi ), also known as walking maidenhair fern, or black maidenhair, is a species of maidenhair fern (Adiantum) that is widely distributed through the southern hemisphere, notably Asia, Africa, and Madagascar. The species was named by Carl Linnaeus in 1753. It was lectotypified by R.E.G. Pichi-Sermolli in 1957 based on an illustration by James Petiver. The identifiability of this illustration was disputed, leading some authorities to deprecate A. philippense as a nomen dubium and use the next available name for the taxon, Adiantum lunulatum Burm.f.. Burman conferred this specific epithet based on its half-moon shaped pinnae. However, Christopher Fraser-Jenkins located the original material and drawing of the lectotype sent to Petiver by Georg Joseph Kamel in the Sloane Herbarium, making clear the application of the name A. philippense.