Genus Dendrobium Section Grastidium
Genus Dendrobium sect. Grastidium Blume, Tab. Pl. Jav. Orchid., in Clavis generum (1825). Type species: Dendrobium salaccense (Blume) Lindl. (basionym: Grastidium salaccense Blume).
Synonyms:
- Dendrobium sect. Angustifolia Kränzl. in Engl., Pflanzenr. IV. 50. II. B. 21 (1910) 165. Type species: Dendrobium salaccense (Blume) Lindl. (basionym: Grastidium salaccense Blume).
- Dendrobium sect. Bambusacea Kränzl. in Engl., Pflanzenr. IV. 50. II. B. 21 (1910) 165. Type species: Dendrobium salaccense (Blume) Lind\. 0Jasionym: Grastidium salaccense Blume).
- Dendrobium sect. Bambusifoliae Ridl., Mat. Fl. Malay Penins. 1 (1907) 31. ('Bambusaefoliae’). Type species: Dendrobium gemellum auct. non Lindl.: Ridl.
- Genus Dendrobium sect. Dianthe Schltr. in K.Schum. & Lauterb., Nachtr. Fl. Deutsch. Schutzgeb. Südsee (1905) 150. Type species: Dendrobium gemellum auct. non Lindl.: Ridl.
- Genus Dendrobium sect. Dichopus (Blume) Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912). 450 Type species: Dendrobium insigne (Blume) Rchb.f. ex Miq. (basionym: Dichopus insignis Blume).
- Dendrobium sect. Eriopexis Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 450 Type species: Dendrobium eriopexis Schltr.
- Genus Dendrobium sect. Eudendrobium subsect. Foliosae Benth. & Hook.f., Gen. Pl. 3 (1883) 501. Type species: Dendrobium salaccense (Blume) Lindl. (basionym: Grastidium salaccense Blume).
- Genus Dendrobium sect. Eugrastidium Kränzl. in Engl., Pflanzenr. IV. 50. II. B. 21 (1910) 188, nom. illeg. Type species: Dendrobium rugosum (Blume) Lindl. (basionym: Grastidium rugosum Blume).
- SGenus Dendrobium sect.Gemella Ridl. ex Schltr. in K.Scbum. & Lauterb., Nachtr. Fl. Deutsch Schutzgeb. Südsee (1905) 168, nom. invalid. Type species: Dendrobium gemellum auct. non Lindl.: Ridl.
- Genus Dendrobium subgen. Grastidium (Blume) Kränzl. in Engl., Pflanzenr. IV. 50. II. B. 21 (1910) 159. Type species: Dendrobium salaccense (Blume) Lindl. (basionym: Grastidium salaccense Blume).
- Genus Dendrobium sect. Grastidium subsect. Tridentifera Schltr., Repert. Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 604 (1912). Type species: Dendrobium tridentiferum Lindl.
- Genus Dichopus Blume, Mus. Bot. Lugd, Bat. 2 (1856) 176. Type species: Dichopus insignis Blume.
- Genus Eriopexis (Schltr.) Brieger in Schltr., Orchideen ed. 3, 1 (1981) 656. Type species: Eriopexis schlechteri Brieger (basionym: Dendrobium eriopexis Schltr.).
- Grastidium (Blume) Blume, Bijdr. (1825) 333. Type species: Grastidium salaccense Blume.
- Genus Grastidium subgen. Dichopus (Blume) M.A.Clem. & D.L.Jones, Lasianthera 1 (1997) 116. Type species: Grastidium insigne (Blume) M.A.Clem. & D.L.Jones (basionym: Dichopus insignis Blume).
Rhizome usually short. Stems clustered, rarely twining, elongated and slender, cane-like or wiry, not fleshy, many-leaved, usually unbranched, sometimes strongly bilaterally flattened, with apical growth continuing for several seasons. Leaves long-lived, glabrous; leaf sheats glabrous, very rarely hairy (Dendrobium setosum). Inflorescences very short, lateral from the stem, 2-flowered or not often 1-flowered; peduncle enveloped by by a few laterally flattened, long-persistent, conduplicate, imbricating scale-leaves. Flowers small to rather large, resupinate or not, opening synchrone, lasting less than 1 day, those of a pair often facing each other. Mentum (rather) short and broad. Sepals free; mentum (rather) short and broad. Lip not or somewhat mobile.
Sri Lanka, continental tropical Asia, Taiwan, Malaysia, Brunei, the Philippines, Indonesia, Papua New Guinea, Solomon Islands, Vanuatu, New Caledonia, Fiji, Samoa, Tahiti. About 180 species; in New Guinea c. 140 species and 5 varieties.
Epiphytes in lowland and montane forest.
- J.J.Sm., Orchid. Java (1905) 348.
- Clements, M.A. and D.L. Jones. 1997. A preliminary taxonomic review of Grastidium Blume and Eriopexis (Schltr.) Brieger (Orchidaceae). Lasianthera 1: 52-198
- Lavarack, B., W. Harris & G. Stocker. 2000. Dendrobium and its relatives. Timber Press, Portland, Oregon.
- Family Orchidaceae
- Subfamily Epidendroideae
- Tribe Dendrobieae
- Subtribe Dendrobiinae
- Genus Dendrobium
- Section Glomera
- Genus Dendrobium Grastidium
Grastidium is an extremely diverse and species-rich section, which is urgently in need of revision. As a rule it can be recognised by the short, 2-flowered inflorescences that arise laterally from the stems from between a pair of flattened, short-lived but peristent, overlapping scale-leaves. The stems, though sometimes quite stout, are never fleshy, but of uniform thickness and leafy throughout. These meagre facts are about all that the numerous species have in common. It is probably true to say that the flowers of Grastidium show more variation than all other dendrobiums combined. While many are more interesting than beautiful, quite a few are highly attractive. It is a great pity, therefore, that the flowers in almost all species last only a single day, and not even a whole day. On the other hand, they usually flower four or five times a year, or even more frequently, and then all flowers on a plant and on all plants in the area, open synchronously.
In New Guinea Dendrobium section Grastidium contains the following 148 species and 5 varieties:
Dendrobium acanthephippiiflorum
Dendrobium acuiferum
Dendrobium acuminatissimum
Dendrobium acuminatissimum var. papuanum
Dendrobium acutilobum
Dendrobium alticola
Dendrobium angraecifolium
Dendrobium angustispathum
Dendrobium armitiae
Dendrobium aromaticum
Dendrobium asperatum
Dendrobium awormangae
Dendrobium axillare
Dendrobium bambusiforme
Dendrobium bambusinum
Dendrobium beleense
Dendrobium bobolei
Dendrobium boridiense
Dendrobium branderhorstii
Dendrobium brunnescens
Dendrobium caladenia
Dendrobium clausum
Dendrobium clavuligerum
Dendrobium coloratum
Dendrobium correllianum
Dendrobium crassiflorum
Dendrobium curvisepalum
Dendrobium cyanopterum
Dendrobium cyclolobum
Dendrobium cyrtosepalum
Dendrobium debile
Dendrobium dionaeoides
Dendrobium discerptum
Dendrobium djamuense
Dendrobium doormantopense
Dendrobium dockrillii
Dendrobium dulce
Dendrobium elatum
Dendrobium erectopatens
Dendrobium erectum
Dendrobium eriopexis
Dendrobium erubescens
Dendrobium exaltatum
Dendrobium exasperatum
Dendrobium extraaxillare
Dendrobium falcatum
Dendrobium falcipetalum
Dendrobium fissum
Dendrobium fulgescens
Dendrobium gatiense
Dendrobium gibbosum
Dendrobium giriwoense
Dendrobium gjellerupii
Dendrobium glebulosum
Dendrobium globiflorum
Dendrobium goilalae
Dendrobium goodallianum
Dendrobium grossum
Dendrobium hamadryas
Dendrobium hansmeyerense
Dendrobium hastilabium
Dendrobium hellerianum
Dendrobium hentyanum
Dendrobium heteroglossum
Dendrobium hoftii
Dendrobium horstii
Dendrobium ianthinum
Dendrobium igneum
Dendrobium imbricatum
Dendrobium incumbens
Dendrobium incurvatum
Dendrobium ingratum
Dendrobium insigne
Dendrobium insigne var. subsimplex
Dendrobium incumbens
Dendrobium iteratum
Dendrobium juniperinum
Dendrobium kanchianum
Dendrobium katherinae
Dendrobium klossii
Dendrobium laceratum
Dendrobium lanuginosum
Dendrobium longicaule
Dendrobium longissimum
Dendrobium malacanthum
Dendrobium meliodorum
Dendrobium misoanum
Dendrobium montissellae
Dendrobium multifolium
Dendrobium multistriatum
Dendrobium muriciferum
Dendrobium neoguineense
Dendrobium nephrolepidis
Dendrobium neuroglossum
Dendrobium nimium
Dendrobium niveopurpureum
Dendrobium njongense
Dendrobium obcuneatum
Dendrobium obliquum
Dendrobium obscureauriculatum
Dendrobium ochranthum
Dendrobium ochroleucum
Dendrobium odontopus
Dendrobium ostrinum
Dendrobium ostrinum var. ochroleucum
Dendrobium pantherinum
Dendrobium papyraceum
Dendrobium parvilobum
Dendrobium patentissimum
Dendrobium patulum
Dendrobium perlongum
Dendrobium phaeanthum
Dendrobium planum
Dendrobium plumilobum
Dendrobium podochiloides
Dendrobium polyphyllum
Dendrobium polyrhopalon
Dendrobium polyschistum
Dendrobium polyschistum var. graminiforme
Dendrobium polyschistum var. marginatum
Dendrobium potamophilum
Dendrobium pruinosum
Dendrobium pulleanum
Dendrobium pulvinatum
Dendrobium quinquecaudatum
Dendrobium quinquedentatum
Dendrobium quinquelobatum
Dendrobium recurvilabre
Dendrobium rubropictum
Dendrobium rugulosum
Dendrobium salicifolium
Dendrobium sarcophyllum
Dendrobium schwartzkopfianum
Dendrobium schweinfurthianum
Dendrobium scorpionis
Dendrobium setosum
Dendrobium sirophyton
Dendrobium steinii
Dendrobium stenophyllum
Dendrobium stictanthum
Dendrobium straussianum
Dendrobium subelobatum
Dendrobium subpetiolatum
Dendrobium subtricostatum
Dendrobium summerhayesianum
Dendrobium triangulum
Dendrobium trichosepalum
Dendrobium tridentiferum
Dendrobium trigonellodorum
Dendrobium triste
Dendrobium vanderwateri
Dendrobium vandoides
Dendrobium vernicosum
Dendrobium violaceopictum
Dendrobium xylophyllum
Dendrobium yondaliae
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Genus Dendrobium Section Grastidium
Dendrobium aff. fulgescens J.J.Sm., photo Dwi Murti Puspitaningtyas, based on Bogor cult. (from Papua)
Genus Dendrobium Section Grastidium
Dendrobium gjellerupii J.J.Sm., flower, photo A. Schuiteman, based on Leiden cult. 31878
Genus Dendrobium Section Grastidium
Dendrobium sp. sect. Grastidium, inflorescence, photo J. Meijvogel, based on Leiden cult. 31813
Genus Dendrobium Section Grastidium
Dendrobium sp. sect. Grastidium, flowers, photo N.E.G. Cruttwell, based on Cruttwell (5/85, PNG, Megabo)
Genus Dendrobium Section Grastidium
Dendrobium sp. sect. Grastidium, flowers, photo P. O'Byrne, based on O'Byrne D536
Genus Dendrobium Section Grastidium
Dendrobium sp. sect. Grastidium, flowers, photo P. O'Byrne, based on O'Byrne D905
Genus Dendrobium Section Grastidium
Dendrobium sp. sect. Grastidium, habit detail, photo P. O'Byrne, based on O'Byrne D935
Genus Dendrobium Section Grastidium
Dendrobium sp. sect. Grastidium, habit detail, photo P. O'Byrne, based on O'Byrne D943
Genus Dendrobium Section Grastidium
Dendrobium sp. sect. Grastidium, habit detail, photo P. O'Byrne, based on O'Byrne D945
Genus Dendrobium Section Grastidium
Dendrobium sp. sect. Grastidium, flowers, photo A. Schuiteman, based on Yumte 81
Genus Dendrobium Section Grastidium
Dendrobium sp. sect. Grastidium, inflorescence, photo A. Schuiteman, based on Leiden cult. 3462
Genus Dendrobium Section Grastidium
Dendrobium sp. sect. Grastidium, flower, cut open, photo A. Schuiteman, based on Leiden cult. 3462
Genus Dendrobium Section Grastidium
Dendrobium sp. sect. Grastidium, flower, photo A. Schuiteman, based on Leiden cult. 31971
Genus Dendrobium Section Grastidium
Dendrobium hellerianum A.D.Hawkes, habit, photo W. Vervoort
Genus Dendrobium Section Grastidium
Dendrobium igneum J.J.Sm., habit detail, photo P. O'Byrne, based on O'Byrne D950
Genus Dendrobium Section Grastidium
Dendrobium longicaule J.J.Sm., habit, photo P. O'Byrne, based on O'Byrne D920
Genus Dendrobium Section Grastidium
Dendrobium neuroglossum Schltr., flowers, photo N.E.G. Cruttwell, based on Cruttwell (1/91, PNG, Mt. Gahavisuka)
Genus Dendrobium Section Grastidium
Dendrobium vandoides Schltr., habit detail, photo P. O'Byrne, based on O'Byrne D930
Genus Dendrobium Section Grastidium
Dendrobium sp. nov. sect. Grastidium ('Eriopexis'), plant habit, photo Ed de Vogel, from Papua New Guinea, Central Prov., Mt. Silisi
Genus Dendrobium Section Grastidium
Dendrobium sp. nov. sect. Grastidium ('Eriopexis'), flower, view from below, photo Ed de Vogel, from Papua New Guinea, Central Prov., Mt. Silisi
Genus Dendrobium Section Grastidium
Dendrobium sp. nov. sect. Grastidium ('Eriopexis'), lip from above, photo Ed de Vogel, from Papua New Guinea, Central Prov., Mt. Silisi