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

Morphological characteristics
Dendrobium longicornu Lindl. stems tufted, slightly harder texture, cylindrical, 7-35 cm long, 2-4 mm thick, unbranched, with multiple nodes, internodes 2-4 cm long. Leaves thinly leathery, several, narrowly lanceolate, 3-7 cm long, 5-14 mm wide, acuminate to apex, apex unequal 2-lobed, basal inferior to aphroditic sheath, both surfaces and leaf sheaths Was dark brown shag.
Inflorescences sessile, ca. 5 mm, basally 3-4-long sheath 2-5 mm long; bracts ovate-lanceolate, long 5 -8 mm, apex acute, abaxially dark brown hairy; pedicel and ovary nearly cylindrical, 2.5-3.5 cm long; flowers developed, except for the central orange yellow lip, the rest is white; sepals ovate, 1.5- 2 cm, ca. 7 mm wide, apex acute, with 7 veins, keeled slightly keeled on the underside; lateral sepals obliquely ovate-triangular, nearly persistent on one side as long as sepals in medial, width 9 mm, Apex acute, with 7 veins, slightly raised in the back of the rib was keel; calyx capsule narrow, straight, angular, slightly shorter than the pedicel and ovary.
Petals oblong or lanceolate, 1.5-2 cm long, 4 (-7) mm wide, apex acute, with 5 veins, serrate margin irregularly serrate; lip nearly obovate or rhombic, anterior 3 Split; lateral lobes nearly obovate, enclosing pistillate, between lobes on both sides much wider than middle lobe; middle lobe apex shallowly 2-lobed, margin undulate and irregularly contoured, sometimes fusiform; lip The disk along the veins is short and fat tassels fringed, the central 3-4 longitudinal keel ridge; pistil length about 5 mm, triangular teeth columnar; medicine cap nearly oblate conical, the front edge of the hymenoptera, the top edge Near truncation. Flowering from September to November.
Habitat habitat
Born in 1200-2500 meters above sea level in the mountain forest trunk. Production in southern China (Shangsi), southeastern Yunnan to the northwest (Xichou, Pingbian, Baoshan, Gongshan, Zhenkang, Longling, Tengchong, Dali), southeastern Tibet (Medog). Distributed in Nepal, Sikkim, Bhutan, northeast India, Vietnam. Specimens were taken from Nepal.
Growing habits
Dendrobium longicornu Lindl. is a hi-shade perennial herb, like in the warm, humid, with an annual rainfall of more than 1000 mm, half-shade half-Yang environment, the average January temperature above 8 ℃ in the growth of subtropical 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.