Prev Taxon: Genus Spiranthes

Current Genus: Genus Stereosandra


Stereosandra javanica

Stereosandra javanica

Stereosandra javanica Blume, Mus. Bot. Lugd. Bat. 2 (1856) 176

Type: Kuhl & van Hasselt s.n. (W. Java, Bantam Prov.) (holo L)

Synonyms:

  • Stereosandra pendula Kraenzl., Bot. Tidsskr. 24 (1901) 11
    - Type: Schmidt s.n. (Thailand, V: Klong Ton, Satun) (C, lost?)
  • Stereosandra javanica Blume var. papuana J.J.Sm., Nova Guinea 14 (1929) 342
    - Type: Lam 1220 (holo BO)
  • Stereosandra koidzumiana Ohwi, J. Jap. Bot. 13 (1937) 441
    - Type: Koidzumi s.n. (Ryukyu Arch., Iriomoto Islands) (holo KYO)
  • Stereosandra liukiuensis Tuyama, Icon. Pl. As. Or. 2 (1938) 182
    - Type: Ryukyu Arch.

Rhizome oblong, somewhat flattened, in cross-section elliptic, 2.7 cm long, 1.5 cm and 1-1.3 cm diam., covered with numerous appressed, overlapping, triangular, acuminate sheaths. Inflorescence erect, laxly c. 10-flowered; peduncle 23 cm long with c. 6 tubular peduncle-scales; rachis angular, 7.75 cm long. Floral bracts lanceolate, acute, with inrolled margins, 5-nerved, to 0.9 by 0.3 cm. Flowers pendulous, not opening widely. Median sepal sublinear, gradually narrowed towards the apex, acute, 3-nerved, with dorsally thickened mid-rib, almost 0.8 cm long, slightly more than 0.15 cm wide. Lateral sepals median similar but oblique, 0.9 cm long, at the base almost 0.2 cm wide. Petals obliquely lanceolate, narrowed towards the apex, somewhat contracted in the apical part, acute, 3-nerved, with dorsally thickened mid-rib, 0.8 cm long, almost 0.2 cm wide. Lip flexuose, channelled, lanceolate, obtuse, at the base somewhat contracted and with two marginal calli, widest at c. 1/3 above the base, 3-nerved, almost 1 cm long, 0.3 cm wide. Column short, oblong, at the apex elongated, obtuse, dorsally convex, including the anther 0.35 cm long, without anther 0.15 cm long. Anther cucullate, 0.24 cm long, elongated, conduplicate, sublinear in outline, in lateral view linear-oblong, obtuse, at the base somewhat dilated, rounded-bilobulate with a small tooth. Fruit pendulous, when immature thick-oblong, in cross section obtusely triangular with the sides convex, 6-grooved; pedicel thin, 0.23 cm long. (After Smith, 1905)


Stem white with numerous thin lilac dots. Floral bracts white. Sepals and petals white with a violet central streak at the apex; column white; ovary white with pale lilac ribs, darker when young, pedicel white.

Terrestrial in hill forest; 200 to 800 m.

Malesia (Peninsular Malaysia, Singapore, Sumatra, Java, Borneo, New Guinea, Philippines), Thailand, ?Laos, Vietnam, Taiwan, Solomon Islands.

Papua (Indonesia); Papua New Guinea. See map

distribution map

August, September, October.

  • Smith, J.J., Orchid. Java (1905) 63
  • Smith, J.J., Orchid. Java, Fig.-Atl. (1908) fig. 41
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Nervilieae
  • Subtribe Epipogiinae
  • Genus Stereosandra
  • Species Stereosandra javanica

Sponsored Ads

Stereosandra javanica

overview picture

Stereosandra javanica

Stereosandra javanica Blume, inflorescences, photo N. Cruttwell, slide collection R.B.G. Kew, based on Cruttwell 1282, from PNG, Mt. Gava

Stereosandra javanica

Stereosandra javanica Blume, tuber, photo Ed de Vogel, based on a specimen from Indonesia, Java, Mt. Salak

Stereosandra javanica

Stereosandra javanica Blume, habit and floral analysis, drawing N.H.S. Howcroft 127

Stereosandra javanica

Stereosandra javanica Blume var. papuana J.J.Sm., floral analysis, drawing J.J. Smith, from Lam 1220

Stereosandra javanica

Stereosandra javanica Blume, herbarium sheet, Kuhl & van Hasselt s.n. (W. Java, Bantam Prov.) (holotype specimen L)