Table 5.

Comparison of microscopic features of Dendrobium gratiosissimum.

Sample No.	Cuticle	Epidermis	Fiber		Vascular bundles			Raphide
	Thickness	Diameter	Number	Diameter	Number	Diameter		Length
						Tangential	Radial
GJ-1	8–10	11–32	20–66	6–31	57–65–124	104–346	89–218	53–124
GJ-2	17–18	15–33	23–52	6–29	59–72–81	108–293	92–173	39–73
GJ-3	16–17	17–35	19–31	7–24	68–71–84	127–278	102–225	51–71
Total	8–18	11–35	19–66	6–31	57–84(124)	104–346	89–225	39–124