''Alsophila junghuhniana'',

synonym A synonym is a word, morpheme, or phrase that means exactly or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are all ...

''Cyathea junghuhniana'', is a species of tree fern native to southern and central

Sumatra Sumatra is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the sixth-largest island in the world at 473,481 km2 (182,812 mi.2), not including adjacent i ...

and western Java, where it grows in forest at an altitude of 1000–2000 m. The trunk of this species is erect and may be 2 m tall or more. Fronds are tripinnate and up to about 3 m long. The stipes of this species are persistent and form a skirt around the trunk. They are brown, spiny, and covered with glossy, dark brown scales. Sori are borne near the midvein of fertile pinnules and are protected by thin indusia. Large and Braggins (2004) note that ''A. junghuhniana'' has been confused with ''

Alsophila crenulata Alsophila may refer to: * ''Alsophila'' (moth), a genus of moth * ''Alsophila'' (plant), a genus of tree ferns {{Taxonomy disambiguation ...

'' (syn. ''Cyathea raciborskii''), "from which it differs in several characteristics, including larger pinnae". Stipe outgrowths are present in ''A. crenulata'', but absent from ''A. junghuhniana''. The specific

epithet An epithet (, ), also byname, is a descriptive term (word or phrase) known for accompanying or occurring in place of a name and having entered common usage. It has various shades of meaning when applied to seemingly real or fictitious people, di ...

''junghuhniana'' commemorates German

botanist Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek wo ...

Friedrich Franz Wilhelm Junghuhn Friedrich Franz Wilhelm Junghuhn was a German botanist and geologist. His father, Friedrich Junghuhn was a barber and a surgeon. His mother was Christine Marie Schiele. Junghuhn studied medicine in Halle and in Berlin from 1827 to 1831, meanwhile ...

(1809-1864), who collected numerous plants on Java and Sumatra.

References

junghuhniana Flora of Sumatra Flora of Java {{alsophila-plant-stub