• Dendrobium crystallinum Rchb. f.

    Dendrobium crystallinum Rchb. f.

    Morphological characteristics Dendrobium crystallinum Rchb. f. is a herbaceous plant. Stem erect or oblique, slightly fleshy, cylindrical, 60-70 cm long, 5-7 mm thick, unbranched, with multiple nodes, internodes 3-4 cm long. Leaves papery, oblong-lanceolate, 9.5-17.5 cm long, 1.5-2.7 cm wide, apex long acuminate, sheathing at base with a sheath, with several raised veins on both sides. Number of raceme, stems from upper stem of old stems from which leaves last year, with 1-2 flowers; inflorescences short, 6-8 mm long, basally 3-4-sheath 3-5 mm long; bractlets Flowers white, membranous, oblong, 1-1.5 cm long, apex acute; pedicel and ovary 3-4 cm; flowers large, spreading; sepals and petals milky, upper purplish red; sepals narrowly oblong-lanceolate Shaped, 3.2 cm long and 7 mm wide,…

  • Dendrobium chrysotoxum Lindl.

    Dendrobium chrysotoxum Lindl.

    Morphological characteristics Dendrobium chrysotoxum Lindl. is a herbaceous plant. Stems erect, fleshy, spindle-shaped, 6-30 cm long, 1.5-5 cm thick at middle, with 2-5 nodes, with mostly rounded oboviate ribs, golden yellow after drying, 2-5 leaves near top. Leaves leathery, oblong, as long as 19 cm, 2-3.5 cm wide or wider, apex acute and hooked, base narrow, but not extended to the sheath of the sheath. Occurred near the top of the stem of racemes, oblique or slightly sag, up to 20 cm; inflorescence axis stout, sparsely flowered; inflorescence base with 4-5 sheaths; bractlets small, membranous, ovate-lanceolate , 2-3 mm long, apex acute; pedicel and ovary yellow, up to 5 cm; flowers thick, golden yellow, slightly aroma; sepals oblong, 1.2-2 cm…