1, ordinary dendrobium: stem erect, fleshy hypertrophy, slightly compressed cylindrical, 10~60 cm long, up to 1.3 cm thick, the upper more or less reflexive curved, the base is obviously narrowed, unbranched, with multiple nodes, nodes sometimes slightly swollen; internodes more or less obconical, 2~4 cm long, drying golden yellow. Leaves leathery, oblong, 6-11 cm long, 1-3 cm wide, apex obtuse and unequally 2-lobed laterally, base with clasping sheaths.
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2, dendrobium: stems terete, 9-35 centimeters long, 2-4 millimeters thick, not branched, with multiple nodes, with a long, thick, thick, and thick stem. The internodes are 1-3-1.7 centimeters long, often interspersed with 3-5 leaves above the middle; the leaves are dichotomous, papery, oblong-lanceolate, the apex is obtuse and more or less hooked, the base is decurrent for the sheaths that embrace the stems, the edges and the midribs are often lilac; the sheaths are often with purple spots, and when old, the upper edge of the sheaths is loose from the stems and spread out, and leave an annular ferruginous gap with the nodes.
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Second, the growth habit
1, common dendrobium: dendrobium like in warm, humid, semi-shade and half sunny Environment growth. The soil and fertilizer requirements are not strict, wild and thick in the loose bark or tree trunk growth, some also grow in the stone crevice.
2, Dendrobium: suitable for growth in a cool, moist, airy environment. Born at an altitude of up to 1600 meters on the mountain semi-shady and wet rocks, preferring warm and humid climate and semi-shade and half-sun environment, not hardy.
Three, distribution range
1, common dendrobium: commonly grown in southern China. India, Nepal, Sikkim, Bhutan, Myanmar, Thailand, Laos, Vietnam and other countries also have distribution.
2, dendrobium: distributed in southwestern China Anhui (Dabie Mountain), eastern Zhejiang (Yinxian, Tiantai, Xianju), western Fujian (Ninghua), northwestern Guangxi (Tian'e), Sichuan, southeastern Yunnan (Shiping, Wenshan, Malipo, Xichou).
/baike.baidu.com/item/%E7%9F%B3%E6%96%9B/998157 "target="_blank "title="Baidu Wikipedia - Dendrobium (Orchidaceae, order Asparagaceae)">Baidu Wikipedia - Dendrobium (Orchidaceae, order Asparagaceae)
/baike. baidu.com/item/%E9%93%81%E7%9A%AE%E7%9F%B3%E6%96%9B/607548 "target="_blank "title="Baidu Encyclopedia - Dendrobium (Orchidaceae)">Baidu Encyclopedia - Dendrobium (Orchidaceae)