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Genus Pilophyllum

Genus Pilophyllum

Pilophyllum Schltr., Orchideen (1914) 131

Sympodial terrestrial plants. Pseudobulbs present, consisting of one internode, one-leaved. Leaves not sheathing, densely hairy, dorso-ventrally flattened, plicate, not articulate, convolute, thin-textured. Inflorescence arising from the rhizome (heteranthous), a raceme. Flowers medium-sized, not resupinate, yellowish with red-brown markings. Sepals free. Petals free, more or less intermediate in shape between the dorsal sepal and the lateral sepals. Lip without spur, not mobile. Column-foot present. Pollinia 2, solid-waxy, caudicles absent, stipe absent, viscidium absent.

Species present in New Guinea:

Pilophyllum villosum

Peninsular Malaysia, Java, Borneo, Moluccas, Philippines, New Guinea, Solomon Islands. One species [Pilophyllum villosum (Blume) Schltr.].

Terrestrial in montane forest.

  • Burgh, W. van der and E.F. de Vogel. 1997. Revision of the orchid genera Chrysoglossym, Collabium, Diglyphosa, and Pilophyllum (subtribe Collabiinae). Orchid Monogr. 8 (1997) 135-174.
  • Pridgeon, A. M., P.J. Cribb, M.W. Chase & F.N. Rasmussen (Eds.). 2005. Genera Orchidacearum, Volume 4: Epidendroideae (Part one). Pp. 151-153. Oxford University Press, Oxford.
  • Subfamily Epidendroideae
  • Tribe Collabieae
  • Genus Pilophyllum

Pilophyllum is easy to recognise by the large broad leaves that are covered with fairly stiff yellowish brown hairs. The intricate, not resupinate flowers are equally characteristic. The only known species, Pilophyllum villosum, is widespread but occurs only sporadically in most of its range. In New Guinea it is only known from an old record by Schlechter. Very rare in cultivation.

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Genus Pilophyllum

Pilophyllum villosum (Blume) Schltr., leaf and base of inflorescence, photo A. Schuiteman, Leiden cult. 970466

Genus Pilophyllum

Pilophyllum villosum (Blume) Schltr., flowers, photo A. Schuiteman, Leiden cult. 970466

Genus Pilophyllum

Pilophyllum villosum (Blume) Schltr., habit and floral analysis, drawing M. Nakajima in Orchid Monogr. 8 (1997) fig. 85