Australian Tropical Rainforest Orchids

Adelopetalum lageniforme

Smooth Strand Orchid

Adelopetalum lageniforme (F.M.Bailey) D.L.Jones & M.A.Clem., Orchadian 13(11): 498 (2002).

Bulbophyllum lageniforme F.M.Bailey, Queensland Agric. J. 15: 494 (1904). Type: Bellenden-Ker Expedition, 1904, T. Meston s.n. (lectotype BRI; isolectotype K), fide Clements (1989); Syntypes: Summit of Bellenden-Ker, 1889, T. Meston s.n. (BM, BRI).

Bulbophyllum adenocarpum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 8: 568 (1910). Type: Queensland; Auf dem Mount Bartle-Frere, 1891, S. Johnson s.n. (holo B).


Occurs in north-eastern Queensland where it is widely distributed between Mt Finnigan and the headwaters of the Tully River.

Altitude: 900-1600 m.


Epiphytic or lithophytic herb forming small dense compact clumps. Rhizome creeping, appressed to host, much branched, thin. Pseudobulbs moderately crowded, conical to ovate, somewhat flattened, 7-10 mm x 6-10 mm, pale green, deeply grooved. Leaf solitary on pseudobulb, erect, apical, sessile; lamina narrowly oblong, 5-10 cm x 0.5-0.8 cm, dark green, thin textured, but stiff. Inflorescence an axillary raceme, 40-70 mm long, from base of pseudobulb, filiform. Flowers 1-4, resupinate, porrect, campanulate, 6-7 x 3-5 mm, cream or pale green, rarely pink, with a pink labellum. Dorsal sepal porrect, hooded, ovate, 7-8.5 mm x 2-3 mm, irregularly tuberculate, three veins prominent. Lateral sepals porrect, asymmetrical, ovate, 7.5-9 mm x 5-6 mm, bases fused to column foot, apex apiculate. Petals obliquely erect, largely enclosed by the sepals, ovate-lanceolate, 5-6 mm x 2 mm, apex apiculate. Labellum porrect, oblong to narrowly ovate, 6 mm x 3.5 mm, smooth, thick, fleshy, curved, obtuse. Callus of 2 proximal convergent keels. Column at oblique angle to ovary, 2.5-3 mm long. Column foot 4-5 mm long, curved. Capsules erect, dehiscent.


Occurs in highland rainforests, growing on shrubs, trees and rocks in sheltered situations. Often found on ridgetops where wind, clouds, mists and fogs are common.

Locally common.

Flowering period: November-February.


This species only forms small clumps. The pseudobulbs are variable in shape, particularly when they are flattened or conical.

Name Changes

Until recently known as Bulbophyllum lageniforme

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