Agrostophyllum leucocephalum

Agrostophyllum leucocephalum

Agrostophyllum leucocephalum Schltr. in K.Schum. & Lauterb., Nachtr. Fl. Deutsch. Schutzgeb. Südsee (1905) 128

Type: Schlechter 13998 (holo B, lost; iso AMES)

Epiphytic, erect, glabrous, several-stemmed 40-60 cm high. Roots filiform, elongated, flexuose, finely villose, becoming glabrous. Stems slender, at the base terete, towards the apex slightly laterally compressed, many-leaved, entirely covered with the tightly clasping leaf-sheaths. Leaves erect or suberect, linear, narrowed towards the apex, apex bifid, 5-12 cm long, near the middle 0.3-0.4 cm wide. Inflorescence densely capitate, sessile, terminal, 1.5-1.8 cm diam. Bracts lanceolate, acuminate, about as long as the flowers, soon dissolving into fibres. Median sepal lanceolate, acuminate, 0.6-0.7 cm long. Lateral sepals obliquely ovate-lanceolate, acuminate, almost as long as the median sepal. Petals obliquely linear-lanceolate, acute, as long as the sepals. Lip at the base cuneate, 3-lobed, lateral lobes rounded with minutely crenulate margin, mid-lobe twice as long, ovate, shortly acuminate, margin minutely crenulate, epichile 0.6 cm long, near the middle 0.6 cm wide, sac [hypochile] oblong, obtuse, 0.4 cm long, at the mouth of the sac with a transverse, bifid, erect appendage. Column below the stigma with a flattened, rounded callus. Anther rounded, in front acuminate; pollinia 8, clavate, viscidium oblanceolate, in front acuminate. (After Schlechter, 1905).

Note: In the affinity of Agrostophyllum uniflorum Schltr., but more robust.


Flowers pure white.

Epiphyte in montane forest in shaded positions. Altitude 1200-2500 m.

Malesia (New Guinea, endemic).

Papua New Guinea. See map

distribution in New Guinea

Intermediate growing epiphyte, keep in shade.

February, March, April, May, June, October.

  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Undetermined
  • Subtribe Agrostophyllinae
  • Genus Agrostophyllum
  • Section Agrostophyllum
  • Species Agrostophyllum leucocephalum
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 265
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 96, fig. 358
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 97, fig. 359

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Agrostophyllum leucocephalum

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Agrostophyllum leucocephalum

Agrostophyllum leucocephalum Schltr., from Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 96, fig. 358

Agrostophyllum leucocephalum

Agrostophyllum leucocephalum Schltr., from Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 97, fig. 359