Bulbophyllum samoanum

Bulbophyllum samoanum

Bulbophyllum samoanum Schltr., Repert. Spec. Nov. Regni Veg. 9 (1911) 107

Type: Vaupel 546 (holo B, lost)

Synonyms:

  • Bulbophyllum umbraticola Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 774
    - Type: Schlechter 19806 (holo B, lost)
  • Bulbophyllum christophersenii L.O.Williams, Bot. Mus. Leafl. 7 (1939) 143
    - Type: Christophersen & Hume 2297 (holo BISH; iso AMES, BO, BISH (2x), P)

Epiphyte, very small, 6-9 cm high. Rhizome short. Roots filiform, flexuose, glabrous. Pseudobulbs narrowly conical, 0.7-1.7 by 0.3-0.45 cm below the middle; 1-leaved. Leaf erect, narrowly ligulate, minutely apiculate, glabrous, 5-8 by 0.45-0.7 cm at or above the middle; base gradually narrowed into a petiole. Inflorescence 1-flowered, short, 1-1.5 cm long, with a few small peduncle-scales. Floral bracts very small, many times shorter than the long pedicel. Flower erect. Median sepal elliptic-lanceolate, acute, glabrous, 1.1 cm long. Lateral sepals obliquely oblong, subobtuse, glabrous, 1.4 cm long. Petals oblong-ligulate, subobtuse, 0.35 cm long; from the middle to the apex with marginal papillae. Lip slightly curved, fleshy, oblongoid-ovate, obtuse, glabrous, 0.35 mm long, somewhat longer than the column; at the base in the middle slightly 3-ribbed. Column medium-sized; stelidia lanceolate-triangular, subobtuse, upper margin minutely 1-dentate. Pedicel and ovary very slender, c. 4 cm long. (After Schlechter, 1913)


Flower whitish with red veins. Sepals with yellowish apex.

Epiphyte in lower montane forest; 1200 m.

Malesia (New Guinea), Samoa.

Papua New Guinea; see map

Distribution of Bulbophyllum samoanum in New Guinea

Intermediate growing epiphyte.

June.

  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 258, fig. 986, as Bulbophyllum umbraticola Schltr.
  • O'Byrne, P., Lowland Orchid. Papua New Guinea (1994) 446, fig., as Bulbophyllum umbraticola Schltr.
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Dendrobieae
  • Subtribe Bulbophyllinae
  • Genus Bulbophyllum
  • Section Papulipetalum
  • Species Bulbophyllum samoanum

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Bulbophyllum samoanum

Bulbophyllum samoanum Schltr., flower, oblique front view, photo E.F. de Vogel, Leiden cult. 20081457 (de Vogel & Raka), from Papua New Guinea, East New Britain Prov.

Bulbophyllum samoanum

Bulbophyllum samoanum Schltr., plant habit, photo E.F. de Vogel, Leiden cult. 20081457

Bulbophyllum samoanum

Bulbophyllum samoanum Schltr., flower, oblique lateral view, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 2546

Bulbophyllum samoanum

Bulbophyllum samoanum Schltr., flower detail, centre of flower, oblique front view, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 2546

Bulbophyllum samoanum

Bulbophyllum samoanum Schltr., flower, plant habit, photo E.F. de Vogel, Leiden cult. 20081504 (de Vogel & Raka), from PNG, East New Britain Prov.

Bulbophyllum samoanum

Bulbophyllum samoanum Schltr., flower, front view, photo E.F. de Vogel, Leiden cult. 20081504 (de Vogel & Raka), from PNG, East New Britain Prov.

Bulbophyllum samoanum

Bulbophyllum samoanum Schltr., flower, oblique front view, photo E.F. de Vogel, Leiden cult. 20081504 (de Vogel & Raka), from PNG, East New Britain Prov.

Bulbophyllum samoanum

Bulbophyllum samoanum Schltr., flower, oblique lateral view, photo E.F. de Vogel, Leiden cult. 20081504 (de Vogel & Raka), from PNG, East New Britain Prov.

Bulbophyllum samoanum

Bulbophyllum samoanum Schltr., flower, lateral lview, photo E.F. de Vogel, Leiden cult. 20081504 (de Vogel & Raka), from PNG, East New Britain Prov.

Bulbophyllum samoanum

Bulbophyllum samoanum Schltr., plant habit, photo E.F. de Vogel, Leiden cult. 20081457 (de Vogel & Raka), from Papua New Guinea, East New Britain Prov.

Bulbophyllum samoanum

Bulbophyllum samoanum Schltr., flower, front view, photo E.F. de Vogel, Leiden cult. 20081457 (de Vogel & Raka), from Papua New Guinea, East New Britain Prov.

Bulbophyllum samoanum

Bulbophyllum samoanum Schltr., flower, oblique lateral view, photo E.F. de Vogel, Leiden cult. 20081457 (de Vogel & Raka), from Papua New Guinea, East New Britain Prov.

Bulbophyllum samoanum

Bulbophyllum samoanum Schltr., centre of flower, front view, photo E.F. de Vogel, Leiden cult. 20081457 (de Vogel & Raka), from Papua New Guinea, East New Britain Prov.

Bulbophyllum samoanum

Bulbophyllum samoanum Schltr., centre of flower, oblique front view, photo E.F. de Vogel, Leiden cult. 20081457 (de Vogel & Raka), from Papua New Guinea, East New Britain Prov.

Bulbophyllum samoanum

Bulbophyllum samoanum Schltr., centre of flower, lateral view, photo E.F. de Vogel, Leiden cult. 20081457 (de Vogel & Raka), from Papua New Guinea, East New Britain Prov.

Bulbophyllum samoanum

Bulbophyllum umbraticola Schltr., floral analysis, R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 258, fig. 986

Bulbophyllum samoanum

Bulbophyllum samoanum, P. O'Byrne, drawing

Bulbophyllum samoanum

Bulbophyllum christophersenii, J.J. Vermeulen, sketch, flower analysis, based on Wilkison 130