Prev Taxon: Genus Dendrobium section Fugacia
Current Genus: Genus Dendrobium Section Grastidium
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Dendrobium pruinosum
Dendrobium pruinosum Teijsm. & Binn., Natuurk. Tijdschr. Ned.-Indië 24 (1862) 314.
Type: Bogor cult. (Teijsmann) s.n. (Moluccas) (holo BO?).
Synonyms:
- Grastidium pruinosum (Teijsm. & Binn.) Rauschert, Feddes Repert. 94 (1983) 452.
- Dendrobium crispilobum J.J.Sm., Repert. Spec. Nov. Regni Veg. 11 (1912) 136.
- Type: Bogor cult. s.n. (New Guinea, locality ??) (holo BO). - Dendrobium densifolium Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 596; 21 (1928) t. 200, fig. 751.
- Type: Schlechter 19955 (holo B, lost; iso L). - Dendrobium microglossum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 598; 21 (1928) t. 201, fig. 755.
- Type: Schlechter 19519 (holo B, lost). - Grastidium microglossum (Schltr.) Rauschert, Feddes Repert. 94 (1983) 451.
- Dendrobium luteocilium Rupp, N. Queensland Naturalist 13, 77 (1945) 1.
- Type: Wilkie s.n. (26 X 1945, North Queensland, Babinda (holo NSW). - Grastidium luteocilium (Rupp) Rauschert, Feddes Repert. 94 (1983) 450.
Rhizome very short, roots elongated, filiform, flexuose, glabrous. Stems crowded, erect, somewhat laterally compressed, c. 50 cm by 4 mm, many-leaved. Leaf sheaths entirely covering the stem. Leaves erect-patent, elliptic, 5-9 by 1.7-2.8 cm, apex unequally bilobulate. Inflorescences arising laterally from the stem, peduncle hardly longer than the spathe, 2-flowered; spathe very short, obtuse. Pedicel and ovary 1.5 cm long, glabrous. Flowers c. 5 cm wide. Dorsal sepal ligulate, 2.6 cm long, glabrous, apex apiculate. Lateral sepals obliquely ligulate, a little widened at the base, 2.6 cm long, apex apiculate; mentum short, obtuse. Petals obliquely ligulate, slightly narrowing to the base, a little shorter than the sepals, apex apiculate. Lip 3-lobed in the middle, 0.9 by 0.8 cm, cuneate at the base, in basal half transversely rugulose inside, with a linear basal keel extending to the base of the midlobe, the midlobe densely covered with subulate papillae; lateral lobes obliquely oblong-lanceolate, the interior margin denticulate, apex obtuse; midlobe semioblong, hardly longer than the lateral lobes, margins crenate-undulate. Column short, clinandrium 3-lobulate, the lateral lobules rounded, small, the median lobule a little shorter, tooth-like; column-foot concave. Anther rounded-cucullate, in front truncate, subdenticulate.
(after Schlechter, 1912 - as Dendrobium microglossum).
Flower cream-coloured, the lip with an orange-yellow keel, column-foot with an orange-yellow spot.
Epiphyte in lowland and lower montane forest. Altitude 0 to 1000 m.
Moluccas, New Guinea, Kei Islands, Australia.
Papua (Manokwari Regency); Papua New Guinea (Western, Morobe, Oro, central, and Milne Bay Provinces; Manus Island).
Warm growing epiphyte.
May, August, December.
- Family Orchidaceae
- Subfamily Epidendroideae
- Tribe Dendrobieae
- Subtribe Dendrobiinae
- Genus Dendrobium
- Section Grastidium
- Species Dendrobium pruinosum
- O'Byrne, P. 1994. Lowland Orchids of Papua New Guinea: 326, fig.
- Smith, J.J. 1909. Nova Guinea 8, 1: 75, t. 26, fig. 82.
- Smith, J.J. 1916. Nova Guinea 12, 4: 305.
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Dendrobium pruinosum
Dendrobium pruinosum, inflorescence, photo Ed de Vogel, Leiden cult. 20120690 (N. & F. Juhonewe ), from Papua New Guinea, Morobe Prov.
Dendrobium pruinosum
Dendrobium pruinosum, plant habit, photo Ed de Vogel, Leiden cult. 20120690 (N. & F. Juhonewe ), from Papua New Guinea, Morobe Prov.
Dendrobium pruinosum
Dendrobium pruinosum, inflorescence, photo Ed de Vogel, Leiden cult. 20120690 (N. & F. Juhonewe ), from Papua New Guinea, Morobe Prov.
Dendrobium pruinosum
Dendrobium pruinosum, inflorescence, photo Ed de Vogel, Leiden cult. 20120690 (N. & F. Juhonewe ), from Papua New Guinea, Morobe Prov.
Dendrobium pruinosum
Dendrobium pruinosum, column and lip, photo Ed de Vogel, Leiden cult. 20030959 (NCBG Port Moresby), from Papua New Guinea, no locality
Dendrobium pruinosum
Dendrobium pruinosum, flower, oblique front view, photo Ed de Vogel, Leiden cult. 20030959 (National Capital Botanic Garden Port Moresby), from Papua New Guinea, locality not known
Dendrobium pruinosum
Dendrobium pruinosum, column and lip, oblique front view, photo Ed de Vogel, Leiden cult. 20030959 (National Capital Botanic Garden Port Moresby), from Papua New Guinea, locality not known
Dendrobium pruinosum
Dendrobium pruinosum, flower, oblique lateral view, photo Ed de Vogel, Leiden cult. 20030959 (National Capital Botanic Garden Port Moresby), from Papua New Guinea, locality not known
Dendrobium pruinosum
Dendrobium pruinosum, flower, oblique lateral view, photo Ed de Vogel, Leiden cult. 20030959 (National Capital Botanic Garden Port Moresby), from Papua New Guinea, locality not known
Dendrobium pruinosum
overview
Dendrobium pruinosum
Dendrobium pruinosum Teijsm. & Binn., flowers, photo P. O'Byrne, based on O'Byrne D538
Dendrobium pruinosum
Dendrobium pruinosum Teijsm. & Binn., flowers, photo P. O'Byrne, based on O'Byrne D538A
Dendrobium pruinosum
Dendrobium pruinosum Teijsm. & Binn. (as Dendrobium microglossum Schltr.), drawing R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 201, fig. 755
Dendrobium pruinosum
Dendrobium pruinosum Teijsm. & Binn., drawing J.J. Smith, based on Bogor cult. s.n. (July 1912)
Dendrobium pruinosum
Dendrobium pruinosum Teijsm. & Binn., drawing J.J. Smith, based on Bogor cult. s.n. (July 1912)
Dendrobium pruinosum
Dendrobium pruinosum as Dendrobium densifolium Schltr., drawing R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 200, fig. 751
Dendrobium pruinosum
Dendrobium pruinosum Teijsm. & Binn., isotype specimen: Bogor cult. (Teijsmann) s.n. (Ambon, Hila) (BO)