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Paul Spracklin very generously gave me a division of his plant which grows outside in a hanging basket through the summer.
I keep it in the greenhouse, where it has grown rapidly. Plants of the World online says: "The native range of this species is Indian Subcontinent to Taiwan and Indo-China, Philippines (Luzon). It is an epiphyte or lithophyte and grows primarily in the subtropical biome." And from the Flora of China: "On tree trunks or rocks in forests; 900-2600 m. Guangxi, Guizhou, Hainan, Sichuan, Taiwan, Xizang, Yunnan [Bhutan, India, Myanmar, Philippines, Sri Lanka, Thailand, Vietnam]. The epithet "porosum" was introduced by Wallich as Polypodium porosum (Numer. List, no. 266. 1829, nom. nud.). Pyrrosia porosa has often been confused with P. mollis (Kunze) Ching from Indochina and Malesia. All references to P. mollis from China refer to P. porosa." Tony Avent says, writing in the Plant Delights catalogue: "Pyrrosia porosa is a little-known tongue fern species with a wide native range from India, across southern China and into the Philippines, where it can be found growing on tree trunks from 3,000' to 8,500' elevation. The thick, dark green, 10" x 1.5" evergreen fronds emerge from a tightly clustered rhizome. The brown indumentum on the leaf back adds a lovely contrast to the dark green fronts. In marginal winter climates, Pyrrosia porosa should be planted on a well-draining slope, and in colder climates, it makes both a superb pot specimen or hanging basket." The India Biodiversity Portal says that it is found "In semi-evergreen and evergreen forests at high altitudes." |
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| 5th September 2022 | ||
