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Styloglossum cruciatum

Styloglossum cruciatum

Styloglossum cruciatum (Schltr.) T.Yukawa & P.J.Cribb, Bull. Natl. Mus. Nat. Sci., ser. B, 40(4) (2014) 148

Type: Schlechter 17120 (holo B, lost; iso AMES, G, L, NSW, S)

Synonyms:

  • Calanthe cruciata Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 389

Terrestrial, erect, up to 90 cm high; rhizome very short; roots filiform, elongated, flexuose, puberulous; leaves 7, erect-patent or suberect, narrowly lanceolate, acuminate, towards the base gradually petiolate-narrowed, glabrous, up to 90 cm long, near the middle up to 5 cm wide; Inflorescence erect, nearly straight, terete, glabrous, with a few acuminate, clasping scales, 56 cm high, rachis densely many-flowered, elliptic, 10 cm long; bracts soon caducous. Flowers patent, slender pedicellate. Sepals elliptic, apiculate, glabrous, 1.2 cm long. Lateral sepals oblique. Petals obliquely elliptic, apiculate, somewhat shorter and wider than the sepals. Lip cruciate-3-lobed, 0.7 cm long, between the apices of the lateral lobes 0.7 cm wide, lateral lobes patent, basal, obliquely oblong, obtuse, mid-lobe twice as large, oblong, apiculate, glabrous, spur subfiliform-cylindrical, obtuse, apex slightly dilated, curved, 2 cm long, mouth of the spur somewhat dilated. Column towards the apex somewhat dilated, glabrous, auricles hardly developed, apiculate in the middle, clinandrium semiorbicular, concave. Anther ovate-cucullate, obtusely apiculate, glabrous, dorsally with a reniform, apiculate callus; pollinia obliquely clavate, about equal-sized, viscidium large, elliptic. (After Schlechter, 1911-1914)


Flower white.

Terrestrial in lower montane forest. Altitude 740-1000 m.

Malesia (New Guinea, endemic).

Papua New Guinea. See map

distribution in New Guinea

Intermediate growing terrestrial, keep in shade.

January.

  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Undetermined
  • Subtribe Collabiinae
  • Genus Styloglossum
  • Species Styloglossum cruciata
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 137, fig. 516

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Styloglossum cruciatum

Styloglossum cruciatum (Schltr.) T.Yukawa & P.J.Cribb, flower, front view, photo Ed de Vogel, Leiden cult. 20052271, from Indonesia, Sulawesi, Poso Trgrncy, Lore Tengah Distr.

Styloglossum cruciatum

Styloglossum cruciatum (Schltr.) T.Yukawa & P.J.Cribb, plant habit, photo Ed de Vogel, Leiden cult. 20052271, from Indonesia, Sulawesi, Poso Trgrncy, Lore Tengah Distr.

Styloglossum cruciatum

Styloglossum cruciatum (Schltr.) T.Yukawa & P.J.Cribb, inflorescence, photo Ed de Vogel, Leiden cult. 20052271, from Indonesia, Sulawesi, Poso Trgrncy, Lore Tengah Distr.

Styloglossum cruciatum

Styloglossum cruciatum (Schltr.) T.Yukawa & P.J.Cribb,flower, front view, photo Ed de Vogel, Leiden cult. 20052271, from Indonesia, Sulawesi, Poso Trgrncy, Lore Tengah Distr.

Styloglossum cruciatum

Styloglossum cruciatum (Schltr.) T.Yukawa & P.J.Cribb, flower, oblique front view, photo Ed de Vogel, Leiden cult. 20052271, from Indonesia, Sulawesi, Poso Trgrncy, Lore Tengah Distr.

Styloglossum cruciatum

Styloglossum cruciatum (Schltr.) T.Yukawa & P.J.Cribb, flower, oblique lateral view, photo Ed de Vogel, Leiden cult. 20052271, from Indonesia, Sulawesi, Poso Trgrncy, Lore Tengah Distr.

Styloglossum cruciatum

Styloglossum cruciatum (Schltr.) T.Yukawa & P.J.Cribb, flower, lateral view, photo Ed de Vogel, Leiden cult. 20052271, from Indonesia, Sulawesi, Poso Trgrncy, Lore Tengah Distr.

Styloglossum cruciatum

Styloglossum cruciatum (Schltr.) T.Yukawa & P.J.Cribb, plant in situ, photo Graham Corbin, from Papua New Guinea, Southern highlands Prov., Tari Gap, c. 2000 m.

Styloglossum cruciatum

Styloglossum cruciatum (Schltr.) Yukawa & Cribb, inflorescence, photo by Graham Corbin, from Papua New Guinea, Southern highlands Prov., TTari Gap, c. 2000 m.

Styloglossum cruciatum

Styloglossum cruciatum (Schltr.) Yukawa & Cribb, flower, photo by Graham Corbin, from Papua New Guinea, Southern Highlands Prov., Tari Gap, c. 2000 m.

Styloglossum cruciatum

Styloglossum cruciatum (Schltr.) T.Yukawa & P.J.Cribb, flower detail, photo Graham Corbin, from Papua New Guinea, Southern highlands Prov., Tari

Styloglossum cruciatum

Styloglossum cruciatum (Schltr.) T.Yukawa & P.J.Cribb (as Calanthe cruciata Schltr.), from Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 137, fig. 516

Styloglossum cruciatum

Styloglossum cruciatum (Schltr.) T.Yukawa & P.J.Cribb (as Calanthe cruciata Schltr.), herbarium sheet, Schlechter 17120, isotype specimen (L)