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Ceratostylis scirpoides

Ceratostylis scirpoides

Ceratostylis scirpoides Schltr. in K.Schum. & Lauterb., Nachtr. Fl. Deutsch. Schutzgeb. Südsee (1905) 138

Type: Schlechter 14359 (holo B, lost; iso AMES, BO, BR, BRI 2x, K, NSW, P)

Rhizome very short, covered with emarcescent sheaths, roots elongated, filiform, flexuose, glabrous. Stems crowded, filiform, terete, glabrous, 5-16 cm by 1 mm, 1-leaved, at the base covered with long, emarcescent sheaths. Leaves usually terete, filiform, sometimes a little flattened and narrowly linear on upper side, 3-9 by 0.1-0.2 cm, apex acute. Inflorescences in a dense, few- to several-flowered capitulum. Floral bracts lanceolate to oblong, as long as or a little shorter than the ovary. Pedicel and ovary 0.2-0.3 cm long, minutely pubescent. Flowers c. 5 mm long. Sepals outside near the base minutely pubescent. Dorsal sepal narrowly lanceolate-ligulate, 0.35 cm long, apex acute. Lateral sepals oblique, much dilated at the base, 0.35 cm long, mentum spur-like, 0.2 cm long, widened in apical half, obtuse. Petals obliquely narrowly lanceolate-ligulate, 0.2 cm long, apex acute. Lip clawed, elliptic-spathulate, 0.4 by 0.15 cm, with 2 parallel basal keels extending to the middle, subacute, somewhat swollen near the apex. Column very short, stelidia surpassing the anther by a third of its length. Anther in front minutely bilobulate. (After Schlechter, 1905).


Flower pure white, the swollen tip of the lip sulphur-yellow.

Epiphyte in lower montane forest. Altitude 1000 m.

Malesia (New Guinea, endemic).

Papua New Guinea. See map

distribution in New Guinea

Intermediate growing epiphyte, grow in light shade.

April.

  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Podochileae
  • Subtribe Eriinae
  • Genus Ceratostylis
  • Section Ceratostylis
  • Species Ceratostylis scirpoides
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 252
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 92, fig. 341

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Ceratostylis scirpoides

overview picture

Ceratostylis scirpoides

Ceratostylis scirpoides Schltr., from Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 92, fig. 341

Ceratostylis scirpoides

Ceratostylis scirpoides Schltr., herbarium sheet, Schlechter 14359, isotype specimen (BO)

Ceratostylis scirpoides

Ceratostylis scirpoides Schltr., detail of herbarium sheet, Schlechter 14359, isotype specimen (BO)