Dendrobium is elegant, exquisite, bright, and fragrant. It is described as one of the "four great ornamental flowers".
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Dendrobium trigonopus Rchb. f.

Morphological characteristics
Dendrobium trigonopus Rchb. f. stems tufted, fleshy thick, spindly or sometimes rod-shaped, 5-11 cm long, the central coarse 12-15 mm, unbranched, with 3-5 nodes, about 2 cm internodes, dry Golden. Leaves thickly leathery, 3-4-seeded, oblong, 8-9.5 cm long, 15-25 mm wide, apex acute, base sheathing shortly sheathing, sunburit concavely above, abaxially veined On the sparse black shag.
Raceme stems from middle or near tip with leaves, often with 2 flowers, peduncle 1-4 cm long; bracts fleshy, ovate-triangular, ca. 5 mm, apex acute; pedicel and ovary yellow-green, Long 3-4 cm, ovary triangular; flowers drooping, less developed, thick texture, except for the lip disc with a light green, are wax yellow; sepals and lateral sepals nearly similar, narrow-lanceolate, long About 3 cm wide and 1 cm wide, apex acute, the middle of the above both sides of the edge of the move, in the back of the rib uplift was wing-shaped, lateral sepals only part of the base of the pistil foot; calyx sac nearly spherical, about 4 mm.
Petals ovate-oblong, ca. 2.5 cm, 1.1 cm wide, apex acute, with 8 veins; labellum erect, nearly parallel to stamens, 2.5 cm long, base shortly clawed, 3-lobed; Pistillate, nearly obovate, apex rounded, serrulate at upper margin; mid-lobe suborbicular, wider than apex between lobes on either side, lip disc densely papillate; pistillate ca. 6 mm, Teeth upper edge with a few shallow nick; Cap conical, about 5 mm, smooth. Flowering from March to April.
Habitat habitat
Born in 1150-1600 meters above sea level in the mountain forest trunk. Production of southern Yunnan to the southeast (Menghai, Simao, Mojiang to Pu’er, stone screen). Myanmar, Thailand, Laos also have. Specimens collected from Myanmar.
Growing habits
Dendrobium trigonopus Rchb. f. is a kind of hi-perennial herb, likes warm and humid, with annual rainfall of more than 1000 mm, half-shade half-sun environment, the average January temperature above 8 ℃ in the growth of subtropical forests in deep forests is better , Suitable for growing temperature of 15 to 28 degrees, suitable for growing air humidity above 60%, less demanding on soil fertility, wild and more in the loose and thick bark or trunk growth, and some also grow in the crevice. Is an aerial root, the main requirements of the root permeability is good, the best substrate to breathe air ventilation, in the appropriate temperature and humidity, fast growth, survivability is very strong. Spring and early summer each year, biennial stems on the section of the inflorescence, flowering stems grow into new stems into stems, autumn and winter into the dormant period.