Adiantum lianxianense
A rare, delicate maidenhair fern from south China, named after Lianxian (now Lianzhou) in north-west Guangdong, where the type was collected in 1881. It has slender, hair-like stalks and small leaflets. It was once listed as extinct by the IUCN, but later reports suggest it survives in Guangdong and possibly Guangxi, Guizhou and Hunan. Little ecological detail is published, so the care below is based mostly on the general needs of subtropical Chinese maidenhairs.
Where it grows wild
It is recorded from subtropical moist lowland forest. The type area around Lianzhou is karst limestone country, but no source seen states whether this species grows on limestone. Like its relatives, it is most likely to grow on shaded, moist banks and rock faces in forest.
The only herbarium records with an elevation give 348 m and 721 m, from Hubei, which lies outside the accepted range. Lianzhou lies at about 130 m, with hills to about 600 m or more.
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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.