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Dendrobium eriopexis

Dendrobium eriopexis

Dendrobium eriopexis Schltr., in K.Schum. & Lauterb., Nachtr. Fl. Deutsch. Schutzgeb. Südsee (1905) 170; Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 209, fig. 787.

Type: Schlechter 14650 (holo B, lost; iso BM, BO, K, P).

Synonyms:

  • Eriopexis schlechteri Brieger, in Schltr., Orchideen, ed. 3, I/A (1981) 656 (nom. nov.).

Rhizome very short, roots elongated, rather thick, flexuose, glabrous. Stems crowded, pendulous, strongly laterally flattened, unbranched, 40-50 cm by 12 mm, many-leaved. Leaf sheaths 1.2 cm wide, entirely covering the stem. Leaves erect-patent, lanceolate-oblong, 8-12 by 2-3.7 cm, apex unequally and obtusely bilobulate, coriaceous. Inflorescences arising laterally from the stem, 2-flowered. Floral bracts small, much shorter than the ovary, apex acuminate. Pedicel and ovary 1.5 cm long, clavate. Flowers c. 4 cm across. Dorsal sepal sublanceolate-oblong, 2.4 cm long, apex obtuse. Lateral sepals falcate, much widened at the base, 2.4 cm long, apex obtuse; mentum broadly obtuse. Petals subfalcate, obliquely elliptic-lanceolate, 2.2 cm by 0.9 mm, apex obtuse. Lip 3-lobed near the apex, 1 cm long, broadly cuneate at the base, with an oblong densely hispid median callus; lateral lobes almost quadrangular, front margin minutely serrulate; midlobe much smaller, triangular, acuminate. Column short, rather thick; column-foot broad, in front with a median longitudinal concavity. Anther subreniform, in front subemarginate.
(after Schlechter, 1905).


Flower white, column-foot yellow.

Epiphyte in hill forest. Altitude 600 m.

Bismarck Archipelago (endemic).

Papua New Guinea (New Ireland).

Map: Dendrobium eriopexis Schltr., distribution map.

Intermediate growing epiphyte.

July.

  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Dendrobieae
  • Subtribe Dendrobiinae
  • Genus Dendrobium
  • Section Grastidium
  • Section Grastidium
  • Species Dendrobium eriopexis
  • Schlechter, R. 1912. Repert. Spec. Nov. Regni Veg. Beih. 1: 620.

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Dendrobium eriopexis

Dendrobium eriopexis Schltr., drawing R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 209, fig. 787

Dendrobium eriopexis

Dendrobium eriopexis Schltr., isotype specimen: Schlechter 14650 (BO)