Agrostophyllum crassilabium

Agrostophyllum crassilabium

Agrostophyllum crassilabium Ormerod, Orchadian 16 (2011) 566, fig.

Type: L.J. Brass 12691 (holo AMES).

Epiphytic herb. Roots terete, pubescent, to 0.1 5 cm thick. Stems caespitose, slightly compressed, basally terete, clothed with leaf sheaths, 33.7 by 0.20-0.35 cm; apex 3(-5?) leaved. Leaves erect, linear-ligulate, 21.2-23.3 by 0.55-0.68 cm;
The Orchadian, Volume 16 Number 12 566
apex acute to minutely acutely obliquely unequally bidentate; leaf sheaths 3.5-4.0 by 0.50-0.55 cm, stipules deltate, obtuse, to 0.3 cm Iong. Inflorescence terminal, composed of several bracts and sheaths, 5- or more flowered, 2 cm long and wide. Pedicellate ovary triquetrous but with rounded ribs, possibly laxly furfuraceous, c. 12 mm long. Flowers externally laxly furfuraceous. Median sepal ovate-elliptic, 0.53 by 0.33 cm; apex acute, midrib slightly carinate in upper half; 4-5-nerved. Lateral sepals obliquely ovate-elliptic, 0.7 by 0.34 cm; apex acute, midrib narrowly carinate; 4-5-nerved. Petals irregularly oblong lanceolate, 0.5 by 0.1.8 cm; apex subacute; 3-nerved. Lip 3-lobed, 0.7 cm long; hypochile c. 0.2 by 0.1.8 cm, with low, almost straight edged truncate lateral lobes; ligula subquadrate, with recurved, trilobulate, papillose-pubescent apex; epichile very fleshy, suborbicular, c. 0.5 by 0.55 cm, with irregular margin and obtuse apex. Column 0.3 cm long.
(after Ormerod 2011)


Leaf sheaths with black margin. Flowers cream colour, lip white.

Montane mossy forest on branches of taller trees, growing in clumps. Altitude 2150 m.

Malesia (New Guinea), endemic.

Indonesia (Papua Province, Sarmi Regency).

Cool growing epiphyte.

February.

  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Undetermined
  • Subtribe Agrostophyllinae
  • Genus Agrostophyllum
  • Section Agrostophyllum
  • Species Agrostophyllum crassilabium

Agrostophyllum crassilabium is similar to A. leucocephalum Schltr. but the leaves are close together (not spaced and exposing the internodes) and the lip has an entire, fleshy, trilobulate, thinner epichile.


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Agrostophyllum crassilabium

Agrostophyllum crassilabium Ormerod. Drawing by Paul Ormerod in Orchadian 16 (2011) 566, fig., based on the type: L.J. Brass 12691.