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Chrysoglossum ornatum

Chrysoglossum ornatum

Chrysoglossum ornatum Blume, Bijdr. (1825) 338

Type: Blume 295 (holo L)

Synonyms:

  • Ania maculata Thwaites, Enum. Pl. Zeyl. 4 (1861) 301
    - Type: C.P. 3515 (Ceylon, Badulla Distr., Hapootelle 5000ft.) (holo K; iso PDA) (both not seen by Burgh & de Vogel)
  • Chrysoglossum maculatum Hook.f., Fl. Brit. Ind. 5 (1890) 784; Hooker's Icon. Pl. 21 (1891) t. 2064
  • Chrysoglossum erraticum Hook.f., Fl. Brit. Ind. 5 (1890) 784; Hooker's Icon. Pl. 21 (1891) t. 2062
    - Type: Clarke 12314 (holo K)
  • Tainia maculata (Thwaites) Hook.f., Fl. Brit. Ind. 5 (1890) 821
  • Chrysoglossum gibbsiae Rolfe, J. Linn. Soc., Bot. 39 (1909) 175
    - Type: Gibbs 886 (lecto BM, chosen by van der Burgh & de Vogel 1997; iso K)
  • Chrysoglossum cyrtopetalum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1911) 96
    - Type: Schlechter 18584 (holo B, lost; neo: the plate, Fedde, Rep. 21 (1923-28) t. 39, fig. 132 chosen by v.d. Burg & de Vogel 1997)
  • Chrysoglossum formosanum Hayata, J. Coll. Sci. Tokyo 30 Art. 1 (1911) 318
    - Type: Kawakami & Mori 3490 (Taiwan, Nanto, Tokunkei) (holo TH)
  • Chrysoglossum hallbergii Blatt., J. Bombay Nat. Hist. Soc. 32 (1928) 519
    - Type: Blatter & Hallberg 26488 (holo K)

Plant to 60 cm high excluding the inflorescence, glabrous except for minute hairs on the bracts. Roots 2-7 on each rhizome part between 2 pseudobulbs, to 10 cm long, 0.15-0.3 cm diam. Rhizome to 20 cm long, 0.4-0.7 cm diam. Rhizome scales 0.8-2.1 cm long, 0.6-0.8 cm diam., top acute to minutely apiculate; nerves c. 20. Pseudobulbs alternatingly 1-6 bearing a leaf and 1 bearing an inflorescence, 1-2 cm apart, terete, somewhat tapering or ovoid; leaf-bearing ones 2.8-5.3 by 0.4-1 cm; inflorescence-bearing ones 0.5-1.5 by 0.4-0.6 cm. Pseudobulb scales on leaf-bearing pseudobulbs 6-8.5 by 0.4-0.6 cm, top acute, nerves c. 20; on inflorescence-bearing pseudobulbs 1.5-2 by 0.5-0.6 cm; top acute, nerves c. 20. Petiole 6-21 by 0.2-0.25 cm. Leaf blade lanceolate, 17-32 by 5-7.5 cm; top acuminate; base attenuate; main nerves 5, below prominent, above somewhat prominent; small nerves many. Raceme 10-25-flowered. Scape 25-63 cm long, 0.25-0.3 cm diam.; internodes 3 or 4, lowest one 4.2-12 cm long, highest one 7.5-28(-32) cm long; scales 2-5.2 by 0.3-0.6 cm, top obtuse to somewhat acuminate, nerves c. 19. Rachis to 34.5 cm long, 0.1-0.3 cm diam.; internodes 0.4-2.5(-3.2) cm long. Bracts patent, lanceolate-ovate, 0.7-1.2 by 0.13-0.32 cm; top acute; nerves 3-5. Pedicel about terete to more or less deeply longitudinally grooved, 0.4-0.8 by 0.05-0.1 cm; ovary somewhat longitudinally grooved, 0.4-0.5 by 0.05-0.12 cm. Median sepal somewhat incurved, linear-lanceolate, 1-1.9 by 0.18-0.4 cm; top acute; nerves 3-5, not prominent. Lateral sepals rather broadly inserted on the column-foot, narrowly triangular to lanceolate, slightly falcate, 1.03-1.57 by 0.17-0.35 cm; top acute to somewhat acuminate, nerves 3(-4) not prominent. Petals lanceolate, slightly falcate, 1.05-1.61 by 0.25-0.46 cm; top acute; nerves 5, not prominent. Lip somewhat fleshy, 0.82-1 cm long. Hypochile parallel to the column, 0.4-0.6 by 0.65-0.9 cm; claw 0.18-0.22 by 0.24-0.3 cm, on either side with a shallow wave, which can be absent, and with one more or less strong pleat (once folded upwards and once downwards again) these folds slightly curved upwards; front part on either side with an erect, more ore less obliquely ligulate or triangular, sometimes somewhat falcate, 0.2-0.32 by (0.15-) 0.2-0.35 cm big lateral lobe with a rounded top and an entire margin; lateral keels 2, starting 0.04-0.1 cm from the base of the lip, fleshy, 0.03-0.05 cm high, in the central part between the lateral lobes 0.07-0.1 cm high, margin entire and undulating or sometimes straight, keels ending on the basal half of the epichilium; median keel fleshy, starting at the base of the lip and there 0.04-0.07 cm high, continuing as a much lower ridge, between the lateral lobes again 0.04-0.07 cm high, the margin somewhat undulating, keel either or not reaching the base of the epichilium, 0.1-0.2 cm shorter than the lateral keels. Epichile concave, in outline obovate, 0.31-0.5 by 0.34-0.5 cm; top obtuse to somewhat retuse; lateral margins incurved to inrolled. Column slender to rather stout, upper part hardly to strongly curved forward, slightly swollen at the obtuse to truncate, blunt or sharp tipped top, 0.5-0.75 by 0.1-0.13 cm; starting between the front lobes with 2 large, lateral, semi-orbicular, fleshy, 0.15-0.3 by 0.05-0.08 cm big keels which continue upwards on the column where they end and fuse between the lateral wings; on the margin of the column laterally on either side of the keels with a narrow seam which is drawn out into a distinct, flat ligulate to triangular, sometimes slightly falcate, forwards projecting, 0.1-0.15 by 0.04-0.1 cm big wing with a rounded or obtuse top, continuing upwards as a narrow seam which ends laterally of the stigma; column-foot 0.15-0.27 by 0.05-0.08 cm, with a saccate, cylindrical to somewhat conical, blunt, laterally somewhat flattened, 0.13-0.25 cm long, 0.05-0.25 cm high, 0.05-0.1 cm wide spur with a narrow entrance; the front of the column-foot on either side with a small, semi-orbicular, fleshy, 0.05-0.08 by 0.03-0.05 cm big lobe. Anther 0.06-0.1 by 0.1-0.16 cm; central part of connective somewhat elevated, sometimes shallowly cleft. Pollinia 0.04-0.05 by 0.04-0.05 cm. Stigma semi-orbicular or ligulate, 0.05-0.13 by 0.05-0.1 cm; rostellum a narrow, 0.02-0.03 by 0.07-0.1 cm big ridge. Fruit reflexed, ellipsoid, body c. 0.25 by 0.4 cm; column and remains of perianth more or less persistent. (After Van der Burgh and De Vogel, 1997).


Leaves, pseudobulbs, rachis and bracts green, sometimes tinged purple. Pedicel and ovary purple. Sepals and petals green or yellow, nerves sometimes dotted with red-brown spots. Lip white or yellowish, with yellow keels, sometimes with small purple spots at the top and somewhat larger purple spots in the middle. Column white with a yellow top or entirely yellow.

Terrestrial. Altitude 1400 m.

Malesia (Peninsular Malaysia, Sumatra, Java, Sulawesi, New Guinea, The Philippines), Thailand, Cambodia, Vietnam, Sikkim, India (E. Coast, Darjeeling), Sri Lanka, Taiwan, Vanuatu, New Caledonia, Fiji, Samoa.

Papua New Guinea. See map

distribution in New Guinea

Intermediate growing terrestrial, requires shaded position.

Not known

  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Undetermined
  • Subtribe Collabiinae
  • Genus Chrysoglossum
  • Species Chrysoglossum ornatum
  • Smith, J.J., Orchid. Java (1905) 175
  • Smith, J.J., Orchid. Java, Fig.-Atl. (1909) fig. 132
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 38, fig. 132, as Chrysoglossum cyrtopetalum Schltr.
  • Burgh, W. van der & E.F. de Vogel, Orchid Monogr. 8 (1997) 143, fig. 69, pl. 7a

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Chrysoglossum ornatum

overview picture

Chrysoglossum ornatum

Chrysoglossum ornatum Blume, inflorescence, photo Royal Botanic Garden Edinburgh, based on Edinburgh cult. 681641 (Woods 1922), from Papua New Guinea

Chrysoglossum ornatum

Chrysoglossum ornatum Blume, habit, in situ, photo P. O'Byrne, O'Byrne SUL527, from Sulawesi

Chrysoglossum ornatum

Chrysoglossum ornatum Blume, flower, photo P. O'Byrne, O'Byrne SUL527, from Sulawesi

Chrysoglossum ornatum

Chrysoglossum ornatum Blume, drawing Mutsuko Nakajima, from Orchid Monogr. 8 (1997) fig. 69

Chrysoglossum ornatum

Chrysoglossum cyrtopetalum Schltr., from Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 38, fig. 132