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Geodorum densiflorum

Geodorum densiflorum

Geodorum densiflorum (Lam.) Schltr., Repert. Spec. Nov. Regni Veg. Beih. 4 (1919) 259

Synonyms:

  • Limodorum densiflorum Lam., Encycl. 3 (1792) 516
    - Type: Collector? (India, Malabar coast) (not found, lecto: Rheede, Hort. Malab. 11 (1692) t. 35)
  • Limodorum nutans Roxb., Pl. Coromandel 1 (1795) 33. t. 40
    - Type: ?
  • Malaxis nutans (Roxb.) Willd., Sp. Pl. 4 (1805) 93
  • Limodorum recurvum Roxb., Pl. Coromandel 1 (1795) 39, t. 33
    - Type: ?
  • Malaxis cernua Willd., Sp. Pl. 4 (1805) 93
    - Type: Bela-Pola, Rheede, Hort. Malabar. 11, p. 69, t.357
  • Cistella cernua (Willd.) Blume, Bijdr. (1825) 293; Tab. & Pl. Jav. Orchid. (1825) t. 55
  • Ortmannia cernua (Willd.) Opiz, Flora 17 (1834) 592
  • Cymbidium pictum R.Br., Prodr. (1810) 331
    - Type: Brown 5507 (holo BM)
  • Geodorum pictum (R.Br.) Lindl., Gen. Sp. Orchid. Pl. (1833) 175
  • Geodorum purpureum R.Br. in Aiton, Hort. Kew., ed. 2, 5 (1813) 207
  • Geodorum pallidum D.Don, Prodr. Fl. Nepal. (1825) 31
    - Type: Wallich s.n. (Nepal)
  • Geodorum pallidum Llanos, Mem. Real Acad. Ci. Exact Madrid 4 (1859) 507 (non D. Don)
  • Geodorum candidum Wall., Numer. List (1832) n. 7374 (nom. nud.)
  • Dendrobium nutans Presl, Symb. Bot. 1 (1832) 34, t. 23 (non Lindl.)
    - Type: ?
  • Dendrobium haenkeanum Steud., Nomencl. Bot., ed. 2, 1 (1841) 490
  • Geodorum nutans (Presl) Ames, Orchidaceae 2 (1908) 164
  • Limodorum candidum Roxb., Fl. Ind., ed. 2, 3 (1832) 470
    - Type: ?
  • Arethusa glutinosa Blanco, Fl. Filip. (1837) 641
    - Type: not designated
  • Geodorum javanicum Lindl., Folia Orchid. Geod. (1855) 2 (nom. illeg.)
    - Type: Lobb s.n. (Java) (holo K - LINDL)
  • Geodorum semicristatum Lindl., Folia Orchid. Geodorum (1855) 2
    - Type: Cuming s.n. (Philippines)
  • Geodorum neocaledonicum Kraenzl., Vierteljahrsschr. Naturf. Ges. Z74 (1929) 82
    - Type: Daeniker 1384 (holo Z)

Basionym: Limodorum densiflorum

A terrestrial herb. Stems up to 8 cm long, later swelling at the base to form a fleshy, ovoid pseudobulb. Leaves 2-3, from apical part of the stem, ovate-lanceolate, plicate, with the uppermost the largest, up to 30 by 7 cm, with 5 or 7 principal veins; petiole up to 8 cm long. Inflorescence separate from the leaf-bearing pseudostem, with the peduncle up to 30 cm tall, rather fleshy. Rachis nodding when the flowers reach maturity, 3-5 cm long, bearing a succession of many flowers, after fertilization the peduncle straightens and both the peduncle and rachis extend to as much as twice their former length. Median sepal ovate, 1.4 by 0.3-0.4 cm. Lateral sepals ovate, 1.4 by 0.3-0.4 cm. Petals ovate, 1.4 by 0.3 cm. Lip oblong to obscurely 3-lobed, 1.4-1.5 by 0.7-0.8 cm, the lateral lobes erect, obliquely triangular, the mid-lobe broadly triangular, the disc with an obscure low broad keel. Column 0.5 cm long, column-foot 0.3 cm long. (After Lewis and Cribb, 1991).


Flowers pink with purple markings on the lip.

Terrestrial in lowland grassland. Altitude 0-250 m.

Malesia (Peninsular Malaysia, Sumatra, Java, Borneo, Sulawesi, Lesser Sunda Islands, Moluccas, New Guinea, The Philippines), Cambodia, Vietnam, SE Asia, Australia, Solomon Islands, Vanuatu, New Caledonia, Fiji, Samoa, Tonga, Niue.

Papua (Indonesia); Papua New Guinea. See map

distribution in New Guinea

Warm growing terrestrial, keep in light position.

January, April, May, June, October, December.

  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Cymbidieae
  • Subtribe Eulophiinae
  • Genus Geodorum
  • Species Geodorum densiflorum
  • Smith, J.J., Orchid. Java (1905) 222, as Geodorum purpureum R.Br.
  • Smith, J.J., Orchid. Java, Fig.-Atl. (1909) fig. 163, as Geodorum purpureum R.Br.
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 420, as Geodorum pictum (R.Br.) Lindl.
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 145, fig. 548, as Geodorum pictum (R.Br.) Lindl.
  • Dockrill, A. W., Austral. Indig. Orchids 1 (1969) 608, fig., as Geodorum pictum (R.Br.) Lindl.
  • Lewis, B.A. & P.J. Cribb, Orchids of the Solomon Islands and Bougainville (1991) 301
  • O'Byrne, P., Lowland Orchid. Papua New Guinea (1994) 560, fig.

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Geodorum densiflorum

overview picture

Geodorum densiflorum

Geodorum densiflorum (Lam.) Schltr., inflorescences, photo P. O'Byrne, based on O'Byrne G050

Geodorum densiflorum

Geodorum densiflorum (Lam.) Schltr., flowers, photo J. van Bodegom, from New Guinea (Manokwari)

Geodorum densiflorum

Geodorum densiflorum (Lam.) Schltr., photo Jon Cara, plants in situ, from Australia, Bullock Creek

Geodorum densiflorum

Geodorum densiflorum (Lam.) Schltr., photo Jon Cara, inflorescence, from Australia, Bullock Creek

Geodorum densiflorum

Geodorum densiflorum (Lam.) Schltr., photo Jon Cara, flower, oblique front view, from Australia, Bullock Creek

Geodorum densiflorum

Geodorum densiflorum (Lam.) Schltr., photo Jon Cara, flower, front view, from Australia, Bullock Creek

Geodorum densiflorum

Geodorum densiflorum (Lam.) Schltr., photo Jon Cara, lip, front view, from Australia, Bullock Creek

Geodorum densiflorum

Geodorum densiflorum (Lam.) Schltr., photo Jon Cara, lip, oblique lateral view, from Australia, Bullock Creek

Geodorum densiflorum

Geodorum densiflorum (Lam.) Schltr., drawing P. O'Byrne

Geodorum densiflorum

Geodorum densiflorum (Lam.) Schltr., drawing P. O'Byrne

Geodorum densiflorum

Geodorum densiflorum (Lam.) Schltr., drawing N.H.S. Howcroft 81, from Finschafen

Geodorum densiflorum

Geodorum pictum (R.Br.) Lindl., from Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 145, fig. 548