Peacock (Crested) Pyrrosia , P. lingua var nankin shishi (sometimes called Peacock Fern) is relatively easy to cultivate. I have maintained this variety for several years and have not experienced any problems with its care. It is a very slow grower though in a few seasons will fill out a 10 inch basked, and it does produce very large fronds. At maturity, individual leaves can be 15 inches long and 8-10 inches across at the crest. The fronds are very asymmetrical with considerable twisting of the blade especially at crested portion. The crested portion is divided in to very minute fingers which twist and over lap giving the fronds a very frilly appearance. It appears to be mostly sterile and I have not seen fertile fronds with spores. I consider this variety to be among the rarest of all lingua forms in the US.
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