Dendrobium hercoglossum Rchb. F.
Dendrobium hercoglossum Rchb. F. is an epiphytic herbaceous plant of the Dendrobium genus in the Orchidaceae family. The stem droops, cylindrical or sometimes gradually thickens from above the base, usually 8-40 centimeters long and 2-5 millimeters thick, with few to many nodes, internodes 1.5-2 centimeters long, and pale yellow after drying. The leaves are thin and leathery, with a narrow circular or elongated lanceolate shape, measuring 4-10 cm in length and 4-8 mm in width. The tips are blunt and have two unequal circular slits, and the base has a sheath tightly attached to the stem.
The inflorescence usually consists of several flowers, originating from an old stem with fallen leaves and often bearing 2-3 flowers; The inflorescence axis is thin and thin, measuring 1.5-2 centimeters in length, sometimes slightly folded and curved; The inflorescence stalk is green, 6-10 millimeters long, and the base is covered with 3-4 short cylindrical sheaths; The flower buds are small, dry membranous, ovate lanceolate, 3-5 millimeters long, with a sharp apex; The flower stem and ovary are pale pink, measuring 12-15 millimeters in length; Blossoming, sepals and petals pale pink; Sepals ovate oblong, 1.3-1.8 cm long, 5-8 mm wide, apex acute, with 7 veins; The lateral sepals are slightly oblique ovate lanceolate, equal in size to the middle sepals, with a pointed tip and 7 veins. The calyx sac is very short.
Petals ovate oblong, 1.2-1.5 cm long, 4.5-7 mm wide, apex acute, with 3 veins; Lips white, upright, about 1 centimeter long, divided into front and back lips; The posterior lip is hemispherical, with short tassels densely distributed at the front end and short hairs densely distributed on the inner surface; The front lip is pale pink, small, triangular, with a sharp apex and no hair; The stamen is white, about 4 millimeters long, with an enlarged lower part and stamen legs about 2 millimeters long; Core column teeth triangular, with a slightly blunt tip; The medicine cap is purple red, hemispherical, densely covered with fine papillae, and the front edge is eroded. The flowering period is from May to June.
Dendrobium hercoglossum Rchb. F. is a perennial herbaceous plant that prefers shade and prefers to grow in warm, humid environments with an annual rainfall of over 1000 millimeters and semi shaded and semi sunny conditions. It is best grown in subtropical deep mountain forests with an average temperature of over 8 ℃ in January. The suitable growth temperature is 15 to 28 degrees Celsius, and the suitable air humidity is above 60%. It does not have strict requirements for soil and fertilizer. In the wild, it mostly grows on loose and thick bark or trunk, and some also grow in crevices. Belonging to the aerial root system, it mainly requires good permeability of the roots, and the substrate used should be well ventilated, breathable, and filter water. Under suitable temperature and humidity conditions, the growth rate is fast and the survival ability is very strong. At the end of spring and beginning of summer every year, flower clusters emerge from the upper nodes of biennial stems. After flowering, new shoots grow from the stem base and develop into stems. In autumn and winter, they enter a dormant period