Dendrobium piestocaulon
Dendrobium piestocaulon Schltr., in K.Schum. & Lauterb., Nachtr. Fl. Deutsch. Schutzgeb. Südsee (1905) 173; Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 212, fig. 802.
Type: Schlechter 14632 (holo B, lost; iso AMES, BO, K).Schlechter 16831 (holo B, lost; iso BO, E, G, K, L, MO, NSW, S).
Synonyms:
- Dendrobium nidificum Kraenzl., in Engl., Pflanzenr. IV. 50. II. B. 21 (1910) 164.
- Type: Beccari 614 (iso W (wrongly as D. amblyornidis]). - Monanthos piestocaulos (Schltr.) Rauschert, Feddes Repert. 94 (1983) 455.
Rhizome very short, roots elongated, filiform, glabrous. Stems crowded, erect, at the base terete, upwards laterally compressed, slender, 30-40 cm long, many-leaved. Leaf sheaths entirely covering the stem, ancipitous. Leaves erect to suberect, linear-ligulate, 6 by 0.6-0.8 cm, apex obtusely unequally bilobulate, coriaceous. Inflorescences arising laterally from the stem, 1-flowered, sessile. Floral bract shorter than or as long as the ovary. Pedicel and ovary 0.3 cm long, cylindrical, glabrous. Flower not resupinated, c. 1 cm across. Dorsal sepal ovate, 0.7 cm long, apex obtuse. Lateral sepals obliquely ovate, widened at the base, 0.7 cm by 6 at the base mm, apex obtuse. Petals obliquely subfalcate-lanceolate, 0.6 cm long, apex obtuse. Lip 3-lobed near apical fourth, fleshy, , hypochile oblong at the base; lateral lobes very small; midlobe oblong, margin subundulate, thickened along lateral and apical margins, apex obtuse. Column short, rather thick, clinandrium with a dorsal subulate teeth; column-foot elongated. Anther cucullate, broadly obtuse, in front subretuse.
(after Schlechter, 1905).
INFRASPECIFIC TAXA
Dendrobium piestocaulon Schltr. var. kauloense Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 632.
Differs from var. piestocaulon by the more robust habit, with leaves 10--14 by 0.7--0.8 cm.
Sepals and petals white, lip yellowish.
Sepals and petals light yellow, lip with brown-red hypochile and light yellow epichile.
Epiphyte in in lowland and hill forest. Altitude 0-1000 m.
New Guinea (endemic).
Papua (Puncak Jaya, Jayapura and Merauke Regencies); Papua New Guinea (Madang, East New Britain and New Ireland Prov.).
Warm growing epiphyte.
Warm growing epiphyte.
July.
July, October, November.
- Smith, J.J. 1909. Nova Guinea 8, 1: 78, t. 27, fig. 86.
- Schlechter, R. 1912. Repert. Spec. Nov. Regni Veg. Beih. 1: 632.
- Smith, J.J. 1913. Nova Guinea 12, 1: 54.
- Smith, J.J. 1929. Nova Guinea 14, 3: 410.
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Dendrobium piestocaulon
Dendrobium piestocaulon Schltr., flower, oblique front view from above, photo Ed de Vogel, from Papua New Guinea, East New Britain Prov.
Dendrobium piestocaulon
Dendrobium piestocaulon Schltr., plant in situ, photo Ed de Vogel, from Papua New Guinea, East New Britain Prov.
Dendrobium piestocaulon
Dendrobium piestocaulon Schltr., flower, oblique front view, photo Ed de Vogel, from Papua New Guinea, East New Britain Prov.
Dendrobium piestocaulon
Dendrobium piestocaulon Schltr., stem part with flower, oblique front view, photo Ed de Vogel, Leiden cult. 20080489 (de Vogel & Howcroft) from Papua New Guinea, East New Britain Prov.
Dendrobium piestocaulon
Dendrobium piestocaulon Schltr., flower, oblique front view, photo Ed de Vogel, Leiden cult. 20080489 (de Vogel & Howcroft) from Papua New Guinea, East New Britain Prov.
Dendrobium piestocaulon
Dendrobium piestocaulon Schltr., flower, oblique lateral view, photo Ed de Vogel, Leiden cult. 20080489 (de Vogel & Howcroft) from Papua New Guinea, East New Britain Prov.
Dendrobium piestocaulon
Dendrobium piestocaulon Schltr., flower, oblique front view, photo Ed de Vogel, Leiden cult. 20080489 (de Vogel & Howcroft) from Papua New Guinea, East New Britain Prov.
Dendrobium piestocaulon
Dendrobium piestocaulon Schltr., stem with flowers, photo Ed de Vogel, Leiden cult. 20080489 (de Vogel & Howcroft) from Papua New Guinea, East New Britain Prov.
Dendrobium piestocaulon
Dendrobium piestocaulon Schltr., flower, front view, photo Ed de Vogel, Leiden cult. 20080489 (de Vogel & Howcroft) from Papua New Guinea, East New Britain Prov.
Dendrobium piestocaulon
Dendrobium piestocaulon Schltr., flower, oblique front view, photo Ed de Vogel, Leiden cult. 20080489 (de Vogel & Howcroft) from Papua New Guinea, East New Britain Prov.
Dendrobium piestocaulon
Dendrobium piestocaulon Schltr., flower, oblique flateral view, photo Ed de Vogel, Leiden cult. 20080489 (de Vogel & Howcroft) from Papua New Guinea, East New Britain Prov.
Dendrobium piestocaulon
Dendrobium piestocaulon Schltr., drawing R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 212, fig. 802
Dendrobium piestocaulon
Dendrobium piestocaulon Schltr., drawing J.J. Smith, collection not recorded
Dendrobium piestocaulon
Dendrobium piestocaulon Schltr., drawing J.J. Smith, collection not recorded
Dendrobium piestocaulon
Dendrobium piestocaulon Schltr., isotype specimen: Schlechter 14632 (BO)