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FOC | Family List | FOC Vol. 25 | Orchidaceae | Dendrobium

57. Dendrobium goldschmidtianum Kraenzlin, Repert. Spec. Nov. Regni Veg. 7: 40. 1909.

红花石斛 hong hua shi hu

Dendrobium irayense Ames & Quisumbing; D. miyakei Schlechter; D. pseudohainanense Matsumura; D. victoria-reginae Loher var. miyakei (Schlechter) T. S. Liu & H. J. Su; Pedilonum goldschmidtianum (Kraenzlin) Rauschert; P. miyakei (Schlechter) Rauschert.

Stems erect or pendulous, cylindric, sometimes middle part thickened and slightly fusiform, 40-60 cm, 5-10 mm in diam., base contracted, unbranched, with many nodes, internodes obconic-cylindric, 1-2 cm. Leaves lanceolate or ovate-lanceolate, 6-10 × 1.2-2 cm, leathery, apex acuminate; leaf sheath green, tinged with red, tightly embracing stem. Inflorescences multiple, lateral on usually bare penultimate and older leads, tufted, 5-25 mm, densely 6-10-flowered; floral bracts ovate-lanceolate, ca. 3 × 2.5 mm, membranous, apex acute. Pedicel and ovary brownish green, ca. 1.3 cm. Flowers not opening widely; sepals, petals, and lip bright red, column yellow, foot yellowish green, anther cap yellow. Dorsal sepal elliptic, ca. 10 × 5 mm, 5-veined, apex obtuse; lateral sepals obliquely ovate, ca. as large as dorsal sepal, 5-veined, base oblique, apex acute; mentum narrowly conic, ca. 1 cm. Petals obliquely obovate-oblong, ca. as long as dorsal sepal or slightly narrower, 3-veined, base contracted, apex acute; lip spatulate, 15-22 × 7-8.5(or more) mm, base narrowly clawed, margin entire, apex slightly obtuse. Column ca. 2 mm, foot ca. 1 cm; anther cap conic, front margin finely papillate-hairy.

200-400 m. S Taiwan (Lan Yu) [Philippines].

Matsumura and Hayata (J. Coll. Sci. Imp. Univ. Tokyo 22: 408. 1908) misidentified this species as Dendrobium hainanense Rolfe, belonging to section Strongyle.


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