Agrostophyllum graminifolium

Agrostophyllum graminifolium

Agrostophyllum graminifolium Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 266

Type: Schlechter 18594 (holo B, lost; iso AMES, BO, K)

Epiphytic, erect, up to 60 cm high. Rhizome very short. Roots filiform, elongated, flexuose, glabrous. Stems up to 50 cm high, laxly leafy, compressed, entirely covered by the very long leaf-sheaths. Leaves erect, narrowly linear, apex acutely bilobulate or bicuspidate, up to 45 cm long, the upper ones much longer than the stem, in the middle 0.4-0.6 cm wide; leaf-sheaths very long, at the apex without teeth. Capitulum many-flowered, up to 2.5 cm across, enveloped by several acuminate sheaths. Peduncles short, entirely covered by a few imbricating scales, 1-flowered. Floral bract very small, apiculate, hyaline. Flowers erect. Sepals ovate-oblong, narrowly obtuse, glabrous, about 0.7 cm long. Lateral sepals oblique, somewhat decurrent, at the base. Petals obliquely oblong, obtuse, glabrous, margins slightly undulate, a little shorter than the sepals. Lip in basal part saccate, obscurely 3-lobed; lateral lobes inconspicuous, very short; mid-lobe much longer, subreniform, above the middle 3-lobulate, the lobules semiorbicular, margin minutely undulate, broadly obtuse, minutely apiculate, at the opening of the sac with a papillose-puberulous, oblong-quadrate, erect ligule which is tridentate at the apex, sac suborbicular, in front depressed, about 0.25 cm long. Column slightly thickened, in basal half swollen in front, below the stigma on both sides adorned with an acute, patent, fleshy callosity, in front with a fleshy, orbicular, decurved scale. Ovary cylindrical, sessile, glabrous, about 0.7 cm long. (After Schlechter, 1911-1914).


Flower white with a golden yellow blotch in the centre of the lip.

Epiphyte in montane forest in shaded positions. Altitude 1400-3040 m.

Malesia (New Guinea), Solomon Islands.

Indonesia (Papua Prov.); Papua New Guinea. See map

distribution in New Guinea

Intermediate growing epiphyte, keep in shade.

January, February, May, September, October, December.

  • Ormerod, P. 2007. Notes on three High Altitude Papuan Agrostophyllum species. Orchadian 16 (2008) 322
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Undetermined
  • Subtribe Agrostophyllinae
  • Genus Agrostophyllum
  • Section Agrostophyllum
  • Species Agrostophyllum graminifolium
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 97, fig. 360
  • Lewis, B.A. & P.J. Cribb, Orchids of the Solomon Islands and Bougainville (1991) 127

Sponsored Ads

Agrostophyllum graminifolium

Agrostophyllum graminifolium Schltr., flower, front view, photo E.F. de Vogel, Leiden cult. 20030084 (de Vogel & Vogel). from Papua New Guinea, Central Prov.

Agrostophyllum graminifolium

Agrostophyllum graminifolium Schltr., plant habit, photo E.F. de Vogel, Leiden cult. 20030084 (de Vogel & Vogel). from Papua New Guinea, Central Prov.

Agrostophyllum graminifolium

Agrostophyllum graminifolium Schltr., stems with inflorescences, photo E.F. de Vogel, Leiden cult. 20030084 (de Vogel & Vogel). from Papua New Guinea, Central Prov.

Agrostophyllum graminifolium

Agrostophyllum graminifolium Schltr., flower, oblique lateral view, photo E.F. de Vogel, Leiden cult. 20030084 (de Vogel & Vogel). from Papua New Guinea, Central Prov.

Agrostophyllum graminifolium

Agrostophyllum graminifolium Schltr., flower, lateral view, photo E.F. de Vogel, Leiden cult. 20030084 (de Vogel & Vogel). from Papua New Guinea, Central Prov.

Agrostophyllum graminifolium

Agrostophyllum graminifolium Schltr., flower, front view, photo E.F. de Vogel, Leiden cult. Leiden cult. 20030346 (de Vogel & Vogel). from Papua New Guinea, Central Prov.

Agrostophyllum graminifolium

Agrostophyllum graminifolium Schltr., plant with inflorescence, photo John Cara, based on a plant from Tomba Pass.

Agrostophyllum graminifolium

Agrostophyllum graminifolium Schltr., inflorescence, photo John Cara, based on a plant from Tomba Pass.

Agrostophyllum graminifolium

Agrostophyllum graminifolium Schltr., part of inflorescence, photo John Cara, based on a plant from Tomba Pass.

Agrostophyllum graminifolium

Agrostophyllum graminifolium Schltr., flower, front view, photo John Cara, based on a plant from Tomba Pass.

Agrostophyllum graminifolium

Agrostophyllum graminifolium Schltr., from Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 97, fig. 360

Agrostophyllum graminifolium

Agrostophyllum graminifolium Schltr., herbarium sheet, Schlechter 18549, isotype specimen (BO)

Agrostophyllum graminifolium

Agrostophyllum graminifolium Schltr., flower analysis, drawing Paul Ormerod in Orchadian 16 (2008) 324, fig.