Next Species: Appendicula brassii


Appendicula ancosiphila

Appendicula ancosiphila

Appendicula ancosiphila Ormerod, Malesian Orchid J. 13 (2014) 42, fig. 3.

Type: L.J. Brass 12224 (holo AMES).

Epiphytic herb. Rhizome short. Roots terete, pubescent, to 0.05 cm thick. Stems terete, to 42 by 0.075–0.08 cm, densely leafy throughout, older stems gradually shedding leaves; in upper part branchlets 2–8, 3.5–15 cm long. Leaves ligulate-lanceolate, 1–2 by 0.22–0.35 cm; leaf sheaths tubular, truncate, striate (in dry state), exposed part 0.2–0.6 cm long; basal part of blade 0.2–0.3 cm appressed to the stem; apex with a c. 0.1 cm long apiculus. Inflorescence pseudoterminal, 1.6–2 cm long; peduncle 1 cm long; rachis fractiflex, somewhat successively 4–5-flowered, 0.65–1 cm long; floral bracts ovate-rhombic, to 0.7 by 0.2 cm, the margins midway erose to irregular, with acute apex. Pedicel and ovary clavate, 0.36 cm long. Median sepal ovate, 0.34 by 0.21 cm; apex subacute. Lateral sepals obliquely ovate; apex subacute midnerve thickly keeled, 0.59 by 0.22 cm (0.42 cm long along midnerve); mentum subquadrate, c. 0.17 by 0.18 cm. Petals obliquely oblong, 0.275 by 0.12 cm; apex acute; 1-nerved. Lip 0.5 cm long; “claw” oblong, formed by the erect sides embracing the callus, c. 0.23 by 0.08 cm; blade elliptic, c. 0.27 by 0.22 cm, with obtuse apex; 3–4-nerved; margins finely papillose-pubescent in lower half; callus oblong-cuneate, base deeply V-shaped, fleshy. Column stout, obliquely erect, 0.2 cm long; anther cap widely ovate-reniform, with apex shortly bidentate; column foot with finely papillose-pubescent margins, c. 0.2 cm long.


Flowers white, lip tipped with red or purple.

Frequent low epiphyte in rainforest ravines (type), abundant on trees in sheltered hollow of mossy forest (Brass 12707). Altitude 1750–2000 m.

Malesia, New Guinea, endemic.

Indonesia, Papua Prov., see map

Cool growing epiphyte.

January, February.

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

Frequent low epiphyte in rainforest ravines; abundant on trees in sheltered hollow of mossy forest (Brass 12707). Altitude 1750–2000 m.


Sponsored Ads

Appendicula ancosiphila

Appendicula ancosiphila Ormerod, drawing by Paul Ormerod in Malesian Orchid J. 13 (2014) 42, fig. 3, based on L.J. Brass 12224 (holo AMES).