Poaephyllum fimbriatum

Poaephyllum fimbriatum

Poaephyllum fimbriatum Schuit.& de Vogel, Malesian Orchid J. 9 (2012, publ. 2011) 19, fig. 19-21

Type: Leiden cult. 20031537 (leg. National Capital Botanic Garden Port Moresby / W.K. Harris 1486) (holo LAE; iso L)

Stems very slender, to more than 45 cm long, across the leaf- sheaths 0.2 cm diam., elongated, tufted, covered by the leaf-sheaths, erect to arching, many-leaved. Leaves patent, linear, 3–4 by 0.43 cm; sheaths overlapping, clasping the stem; apex obtuse, minutely bidentate. Inflorescences lateral, c. 1 cm long, filiform, c. 3-flowered, flowers opening in succession; peduncle c. 0.6 cm long; floral bract triangular, 0.13 cm long, acute. Flower opening widely, resupinate, c. 0.7 cm across. Median sepal ovate-oblong, 0.34 by 0.25 cm; apex subacute; 3-nerved; keeled along mid-nerve in apical half. Lateral sepals obliquely deltoid, 0.4 by 0.25 cm; apex acute; 3-nerved; keeled along mid-nerve in apical half. Petals linear-oblong, 0.33 by 0.08 cm; lateral margins in apical half finely irregularly fringed; apex obtuse. Lip weakly 3-lobed, strongly concave at the base, when spread 0.38 by 0.2 cm; in the basal part with a rounded, oblongoid callus; between the side lobes in the centre more or less pubescent; lateral lobes short, truncate, with the front margins densely irregularly fimbriate; midlobe deflexed, almost semi-orbicular, 0.17 by 0.17 cm, its basal margins slightly fringed, its apex with a large rounded callus. Column stout, 0.17 cm long, at an angle of about 135 degrees with the ovary, pubescent along the sides of the stigma or also below the stigma; column wings short, subquadrangular, with irregularly dentate margins; rostellum transversely rectangular; stigma small; column-foot almost cup-shaped, at right angles to the ovary, c. 0.1 cm long, with erect margins. Anther quadrangular, 0.08 cm wide; apex irregularly retuse to deeply emarginate, glabrous; pollinia pyriform, of unequal size, most 0.05 cm long, two larger ones 0.07 cm long. Fruit not seen.
(after Schuiteman & de Vogel, 2012, publ. 2011)


Sepals and petals pale green, lip creamy white, column pale green, anther pale purple, pollinia deep yellow.

Low growing epiphyte in rainforest. Altitude 440–700 m.

Malesia (New Guinea)

Papua New Guinea (Gulf and Milne Bay Provinces); see map

Warm growing epiphyte.

May.

  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Podochileae
  • Subtribe Eriinae
  • Genus Poaephyllum
  • Species Poaephyllum fimbriatum

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Poaephyllum fimbriatum

Poaephyllum fimbriatum Schuit.& de Vogel, Malesian Orchid J. 9 (2012)19, fig. 19-21. Drawing by Hanneke Jelles from the type: Leiden cult. 20031537 .