Current Genus: Genus Dendrobium section Calyptrochilus
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Dendrobium verruculosum
Dendrobium verruculosum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 519; 21 (1923) t. 176, fig. 658.
Type: Schlechter 19635 (holo B, lost).
Synonyms:
- Pedilonum verruculosum (Schltr.) Rauschert, Feddes Repert. 94 (1983) 465.
- Chromatotriccum verruculosum (Schltr.) M.A.Clem. & D.L.Jones, Orchadian 13 (2002) 496
Rhizome very short, roots elongated, filiform, flexuose, glabrous. Stems crowded, erect to patent, slender, up to 45 cm long, many-leaved, not branching. Leaf sheaths entirely covering the stem, densely verruculose. Leaves patent, lanceolate-ligulate, 4.5-5.5 by 0.8-1.2 cm, apex acute, apiculate. Inflorescences racemose, very short, 5-7-flowered. Floral bracts ovate, much shorter than the pedicel and ovary, apex shortly acuminate. Pedicel and ovary 2 cm long, slender, glabrous. Flowers resupinated or not, c. 2 cm long. Dorsal sepal ovate-elliptic, 0.8 cm long, apex obtuse. Lateral sepals very broadly obliquely triangular, 0.8 cm long, apex apiculate; mentum conical, 1.3 cm long, obtuse. Petals obliquely oblong-ligulate, 0.65 cm long, apex obtuse. Lip concave, with a narrow claw, gradually widened a little towards the apex, 1.5 by 0.5 cm, apical margin serrate-dentate, c. 6-plicate, apex hood-like, truncate, distinctly shorter than the column. Column short; column-foot 1.3 cm long, adnate to the margins of the lip for more than half its length, near the apex with an elliptic cavity which has a marginal tooth. Anther rounded-cucullate, in front broadly obtuse and papillose.
(after Schlechter, 1912).
Flowers orange-yellow with lighter tips, column light yellow, anther violet.
Epiphyte in lower montane forest. Altitude 600 to 1450 m.
New Guinea (endemic).
Papua (Jaya Wijaya Regency); Papua New Guinea (Southern Highlands, Morobe, and Oro Provinces).
Intermediate growing epiphyte.
January to May, October.
- Smith, J.J. 1929. Nova Guinea 14, 3: 436.
- O'Byrne, P. 1994. Lowland Orchids of Papua New Guinea: 298, fig., pl.
One of several species in the Calyptrochilus group in which the lip is distinctly shorter than the column.
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Dendrobium verruculosum
Dendrobium verruculosum Schltr., inflorescence, lateral view, photo Ed de Vogel, Leiden cult. 20080675 (National Capital Botanic Garden Port Moresby), from Papua New Guinea, locality not known
Dendrobium verruculosum
Dendrobium verruculosum Schltr., plant habit, photo Ed de Vogel, Leiden cult. 20080675 (National Capital Botanic Garden Port Moresby), from Papua New Guinea, locality not known
Dendrobium verruculosum
Dendrobium verruculosum Schltr., stem with inflorescences, photo Ed de Vogel, Leiden cult. 20080675 (National Capital Botanic Garden Port Moresby), from Papua New Guinea, locality not known
Dendrobium verruculosum
Dendrobium verruculosum Schltr., inflorescences, front view, photo Ed de Vogel, Leiden cult. 20080675 (National Capital Botanic Garden Port Moresby), from Papua New Guinea, locality not known
Dendrobium verruculosum
Dendrobium verruculosum Schltr., flowers, front view, photo Ed de Vogel, Leiden cult. 20080675 (National Capital Botanic Garden Port Moresby), from Papua New Guinea, locality not known
Dendrobium verruculosum
Dendrobium verruculosum Schltr., flower, oblique lateral view, photo Ed de Vogel, Leiden cult. 20080675 (National Capital Botanic Garden Port Moresby), from Papua New Guinea, locality not known
Dendrobium verruculosum
Dendrobium verruculosum Schltr., flowers, lateral view, photo Ed de Vogel, Leiden cult. 20080675 (National Capital Botanic Garden Port Moresby), from Papua New Guinea, locality not known
Dendrobium verruculosum
Dendrobium verruculosum Schltr., flower front, obique lateral view, photo Ed de Vogel, Leiden cult. 20080675 (National Capital Botanic Garden Port Moresby), from Papua New Guinea, locality not known
Dendrobium verruculosum
Dendrobium verruculosum Schltr., inflorescence, photo A. Vogel, ex Lake Kutubu, PNG
Dendrobium verruculosum
Dendrobium verruculosum Schltr., photo P. O'Byrne, based on O'Byrne D470
Dendrobium verruculosum
Dendrobium verruculosum Schltr., photo P. O'Byrne, based on O'Byrne D470
Dendrobium verruculosum
Dendrobium verruculosum Schltr., drawing R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 176, fig. 658
Dendrobium verruculosum
Dendrobium verruculosum Schltr., drawing J.J. Smith, based on Lam 1577
Dendrobium verruculosum
Dendrobium verruculosum Schltr., drawing J.J. Smith, based on Mayr 114
Dendrobium verruculosum
Dendrobium verruculosum Schltr., drawing J.J. Smith, based on Mayr 114