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FOC | Family List | FOC Vol. 2-3 | Polypodiaceae | Pyrrosia

31. Pyrrosia piloselloides (Linnaeus) M. G. Price, Kalikasan. 3: 176. 1974.

抱树石韦 bao shu shi wei

Pteris piloselloides Linnaeus, Sp. Pl., ed. 2, 2: 1530. 1762; Drymoglossum piloselloides (Linnaeus) C. Presl; Elaphoglossum piloselloides (Linnaeus) Keyserling; Lemmaphyllum piloselloides (Linnaeus) Luerssen; Notholaena piloselloides (Linnaeus) Kaulfuss; Oetosis piloselloides (Linnaeus) Kuntze; Pteropsis piloselloides (Linnaeus) Desveaux; Taenitis piloselloides (Linnaeus) R. Brown.

Rhizome long creeping, slender, up to 1 mm in diam., densely scaly throughout; scales peltate, orbicular to triangular, up to 1 × 0.8 mm, pale brown with dark central portion, base irregularly ciliate at margin. Fronds strongly dimorphic. Sterile fronds sessile to shortly stipitate, lamina 1-7 × 1-2 cm, thickly succulent, apex rounded or obtuse; both surfaces sparsely stellate hairy; veins invisible, venation reticulate, areoles usually with recurrent free veinlets. Fertile fronds narrower, 4-16 × 0.3-1.5 cm; sori near margin. Spores light brown, perispore warty and with conical spinelike protuberances.

Mostly on tree trunks, often on exposed bare parts. Guangxi, Hainan, Yunnan [Bangladesh, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Papua New Guinea, Philippines, Thailand, Vietnam].

Forms with forked fertile fronds are widespread but uncommon. The indumentums can be very sparse, and collections of Pyrrosia piloselloides are occasionally misidentified as Lemmaphyllum carnosum (Wallich ex J. Smith) C. Presl, which is superficially very similar but lacks stellate hairs.

It has been suggested that Pyrrosia piloselloides is conspecific with P. heterophylla (Linnaeus) M. G. Price (Kalikasan 3: 177. 1973), type from Sri Lanka, which has priority.


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