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Dendrobium bobolei

Dendrobium bobolei

Dendrobium bobolei Ormerod, Checkl. Papuasian Orch. (2017) 176, 471 (fig.).

Type: Bobole in Reeve 4471 (holo AMES; iso: CANB, E, K, L, LA E, NSW, UPNG ).

Epiphytes (?), herbaceous. Roots and rhizome not seen. Stem terete, sublaxly many-leaved, not branched, fragment 31 by 0.22 cm, 0.3 cm wide across the sheaths. Leaves narrowly lanceolate, thinly coriaceous, 5.7-6.5 by 0.55-0.65 cm; apex with 2 minute obtuse lobes differing to 0.15 cm in length; leaf sheaths tubular, minutely transversely rugulose especially towards the apex, 1.2-1.8 cm longits apex with a triangular, 0.2 cm long lobe with acute apex. Inflorescence 2-flowered; peduncle 0.6 cm long; basal inflorescence scales: 1st transversely oblong, 0.1-0.18 by 0.4 cm, 2nd oblong, 0.35-0.4 by 0.25-0.27 cm, with obtuse apex; 3rd oblong, thin, papery, to 0.6 by 0.3 cm, with obtuse apex. Pedicel and ovary subterete, 0.9 cm long. Median sepal linear-lanceolate, 2.65 by 0.25 cm; apex subacute; 5-nerved. Lateral sepals obliquely triangular­lanceolate in basal third, upper 2/3rd linear, 2.2 by 0.64 cm; apex subacute; 5-nerved; mentum conical, obtuse, 0.5 cm long. Petals ligulate-lanceolate, 1.3 by 0.19 cm; apex acute; 3-nerved. Lip erect, 3-lobed, 1.22 cm long; hypochile 0.68 by 0.72-0.75 cm, its lateral lobes large, broadly lanceolate, 0.3 cm long (along inside margin), the inner surface with a row or band of scattered linear projections, keel 1, plate-like, in front truncate; epichile broadly lanceolate, 0.54 by 0.3 cm, its margin irregularly laciniate, upper surface densely covered with a broad lanceolate patch of pubescence, with acute apex. Column obliquely erect, obliquely conical, slender, 0.25 cm long (including anther); column foot straight, at right angle to ovary, 0.5 cm long.
(after Ormerod 2017).


Leaf sheaths drying light brown. Flowers pleasantly scented, creamy white, lip more yellowish with a streak [or yellow?] on the claw, base of column foot orange.

Not recorded

Malesia (Papua New Guinea).

Papua New Guinea, Southern Highlands Prov.).

Warm to intermediate growing.

February.

  • Family Orchidaceaess
  • Subfamily Epidendroideae
  • Tribe Dendrobieae
  • Subtribe Dendrobiinae
  • Genus Dendrobium
  • Section Grastidium
  • Species Dendrobium bobolei

Dendrobium bobolei Ormerod is similar to D. laceratum Schltr. in the erect lip that has upward pointing lateral lobes and a rather straight mentum, but differs in the thin, leathery, lanceolate leaves (versus grassy, linear), minutely transversely rugulose light brown leaf sheaths (versus smooth, greyish to pale green?), and the twice as broad lateral lobes.

Named after P. Bobole, the collector of the holotype.
(after Ormerod 2017).


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Dendrobium bobolei

Dendrobium bobolei Ormerod, drawing by Paul Ormerod, in Checkl. Papuasian Orch. (2017) 176.