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Styloglossum ventilabrum

Styloglossum ventilabrum

Styloglossum ventilabrum (Rchb.f.) T.Yukawa & P.J.Cribb, Bull. Natl. Mus. Nat. Sci., ser. B, 40(4) (2014) 150

Type: Seemann 606 (holo W, lost; drawing of holo AMES 42470; iso K)

Synonyms:

  • Calanthe ventilabrum Rchb.f. in Seem., Fl. Vitiensis (1868) 298
  • Calanthe bigibba Schltr., Repert. Spec. Nov. Regni Veg. 9 (1911) 99
    - Type: Vaupel 359 (holo B, lost; iso AMES 35388)
  • Calanthe chrysantha Schltr. in K.Schum. & Lauterb., Nachtr. Fl. Deutsch. Schutzgeb. Südsee (1905) 141
    - Type: Schlechter 14494 (holo B, lost; iso AMES)
  • Styloglossum chrysanthum (Schltr.) T.Yukawa & P.J.Cribb., Bull. Natl. Mus. Nat. Sci., ser. B, 40(4) (2014) 148
  • Calanthe chrysantha Schltr. var. orbicularis J.J.Sm., Bot. Jahrb. Syst. 66 (1934) 178
    - Type: Mayr 17 (Irian Jaya, Arfak, Mt. Moendi) (holo L; iso BO)
  • Calanthe chrysoleuca Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 386
  • Styloglossum chrysoleucum (Schltr.) T.Yukawa & P.J.Cribb., Bull. Natl. Mus. Nat. Sci., ser. B, 40(4) (2014) 148
  • Calanthe englishii Rolfe, Bull. Misc. Inform. Kew (1899) 111.
    - Type: Giulianetti s.n. (Mt. Scratchley, 4000 ft) (holo K)
  • Styloglossum englishii (Rolfe) T.Yukawa & P.J.Cribb., Bull. Natl. Mus. Nat. Sci., ser. B, 40(4) (2014) 148
  • Calanthe flabelliformis R.S.Rogers, Trans. & Proc. Roy. Soc. South Australia 49 (1925) 259
    - Type: Lane-Poole 411 (holo BRI)
  • Calanthe langei F.Muell., S. Sci. Rec., n.s., 1 (1885) 1
    - Type: Lange cult. (Layard) s.n. (VIII-1885, N. Caledonia) (holo MEL)
  • Calanthe tunensis J.J.Sm., Bull. Inst. Bot. Buitenzorg 7 (1900) 3
    - Type: Boerlage 260 (Ambon, on the top of the Tuna) (holo BO 3x; iso L 2x)
  • Styloglossum tunense (J.J.Sm.) T.Yukawa & P.J.Cribb., Bull. Natl. Mus. Nat. Sci., ser. B, 40(4) (2014) 150

A terrestrial herb up to 1 m tall. Stems pseudobulbous, hidden by the leaf bases. Leaves plicate, distichous, lanceolate, 40-100 by 5-9.5 cm; petiole up to 15 cm long. Inflorescence lateral, arising from the base of the pseudobulb, up to 55 cm long. Rachis 6-7 cm long, densely many-flowered. Floral bracts deciduous. Median sepal ovate, 1 by 0.6 cm. Lateral sepals ovate, 1 by 0.5-0.6 cm. Petals elliptic, 1-1.1 by 0.5-0.6 cm. Lip 3-lobed, 0.55-0.65 by 0.4-0.5 cm, the lateral lobes small, resembling auricles, the mid-lobe rounded and obtuse, basal callus consisting of 2 short, low fleshy ridges; spur clavate, parallel to ovary, 0.5-0.7 by 0.2 cm. Column 0.04 cm long. (After Lewis and Cribb, 1991).

Note: Easily recognised by the uniformly yellow to orange flowers.


Flowers yellow to orange.

Epiphyte in montane forest in shaded positions. Altitude 914-2400 m.

Malesia (Moluccas, New Guinea), Solomon Is., Vanuatu, New Caledonia, Fiji, Samoa.

Papua (Indonesia); Papua New Guinea. See map

distribution in New Guinea

Intermediate growing epiphyte, keep in shade.

January, February, April, May, June, July.

  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Undetermined
  • Subtribe Collabiinae
  • Genus Styloglossum
  • Species Styloglossum ventilabrum
  • Smith, J.J., Icon. Bogor. 2 (1903) 69, t. 113A, as Calanthe tunensis J.J.Sm.
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 386, as Calanthe chrysantha Schltr.
  • Smith, J.J., Nova Guinea 12, 3 (1915) 207, as Calanthe chrysantha Schltr.
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 136, fig. 511, as Calanthe chrysantha Schltr.
  • Lewis, B.A. & P.J. Cribb, Orchids of the Solomon Islands and Bougainville (1991) 74, fig 13A-L, pl. 4A

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Styloglossum ventilabrum

Styloglossum ventilabrum (Rchb.f.) T.Yukawa & P.J.Cribb, as Calanthe chrysantha Schltr., from Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 136, fig. 511

Styloglossum ventilabrum

Styloglossum ventilabrum (Rchb.f.) T.Yukawa & P.J.Cribb, photo G. Stocker

Styloglossum ventilabrum

Styloglossum ventilabrum (Rchb.f.) T.Yukawa & P.J.Cribb, as Calanthe chrysantha Schltr., drawing J.J. Smith, from Mayr 531

Styloglossum ventilabrum

Styloglossum ventilabrum (Rchb.f.) T.Yukawa & P.J.Cribb, as Calanthe chrysantha Schltr., drawing J.J. Smith, from von Römer 997

Styloglossum ventilabrum

Styloglossum ventilabrum (Rchb.f.) T.Yukawa & P.J.Cribb, as Calanthe chrysantha Schltr., drawing J.J. Smith, from Gjellerup 1060

Styloglossum ventilabrum

Styloglossum ventilabrum (Rchb.f.) T.Yukawa & P.J.Cribb, as Calanthe chrysantha Schltr., drawing J.J. Smith, from Gjellerup 1060

Styloglossum ventilabrum

Styloglossum ventilabrum (Rchb.f.) T.Yukawa & P.J.Cribb, as Calanthe chrysantha Schltr., drawing J.J. Smith, from Mayr 531

Styloglossum ventilabrum

Styloglossum ventilabrum (Rchb.f.) T.Yukawa & P.J.Cribb, as Calanthe chrysantha Schltr., drawing J.J. Smith, from Janowsky 151

Styloglossum ventilabrum

Styloglossum ventilabrum (Rchb.f.) T.Yukawa & P.J.Cribb, as Calanthe chrysantha Schltr., drawing J.J. Smith, from Janowsky 151

Styloglossum ventilabrum

Styloglossum ventilabrum (Rchb.f.) T.Yukawa & P.J.Cribb, as Calanthe chrysantha Schltr., drawing Mutsuko Nakajima in Males. Orch. J. 7 (2011) 17, fig. 5: 7a-b, based on van Royen 3839

Styloglossum ventilabrum

Styloglossum ventilabrum (Rchb.f.) T.Yukawa & P.J.Cribb, as Calanthe chrysantha Schltr. var. orbicularis J.J.Sm., drawing J.J. Smith, from Mayr 17

Styloglossum ventilabrum

Styloglossum ventilabrum (Rchb.f.) T.Yukawa & P.J.Cribb, as Calanthe chrysantha Schltr. var. orbicularis J.J.Sm., drawing J.J. Smith, from Mayr 17

Styloglossum ventilabrum

Styloglossum ventilabrum (Rchb.f.) T.Yukawa & P.J.Cribb, as Calanthe englishii Rolfe, drawing Mutsuko Nakajima in Males. Orch. J. 7 (2011) 17, fig. 5: 4a-b, based on Guilianetti s.n.

Styloglossum ventilabrum

Styloglossum ventilabrum (Rchb.f.) T.Yukawa & P.J.Cribb, as Calanthe tunensis J.J.Sm., drawing Mutsuko Nakajima in Males. Orch. J. 7 (2011) 17, fig. 5: 6a-b, based on Lane-Poole 441

Styloglossum ventilabrum

Styloglossum ventilabrum (Rchb.f.) T.Yukawa & P.J.Cribb, as Calanthe ventilabrum Rchb.f., drawing Mutsuko Nakajima in Males. Orch. J. 7 (2011) 17, fig. 5: 5a-b, based on Smith 5152

Styloglossum ventilabrum

Styloglossum ventilabrum (Rchb.f.) T.Yukawa & P.J.Cribb, as Calanthe chrysantha Schltr. var. orbicularis J.J.Sm., herbarium sheet, Mayr 17, holotype specimen (L)

Styloglossum ventilabrum

Styloglossum ventilabrum (Rchb.f.) T.Yukawa & P.J.Cribb, as Calanthe flabelliformis R.S.Rogers, herbarium sheet, type specimen BRI

Styloglossum ventilabrum

Styloglossum ventilabrum (Rchb.f.) T.Yukawa & P.J.Cribb, as Calanthe ventilabrum Rchb.f., herbarium sheet, Seemann 606, isotype (K)

Styloglossum ventilabrum

Styloglossum ventilabrum (Rchb.f.) T.Yukawa & P.J.Cribb, as Calanthe englishii Rolfe, herbarium sheet, Giulianetti s.n. (1896), holotype (K)