1、 Different stems

The rhizome of shrimp ridge orchid is not obvious. The pseudobulb is relatively thick and short, conical in shape, and about 1 cm in diameter

The pseudobulb of Rhododendron is ovoid or subglobose in shape, with a length of 1.5 to 3 cm and a diameter of about 1 to 3 cm

2、 Different blades

The leaf shape of shrimp ridge orchid tends to be oblong, with a length of about 25 cm and a width of 4 to 9 cm

Rhododendron leaves tend to be narrow oval in shape, with a length of about 18 to 34 cm and a width of about 5 to 8 cm

3、 Different flowers

The scape length of shrimp ridge orchid is shorter, about 18 to 30 cm, densely distributed with short hairs, and the raceme is about 6 to 8 cm long

The scape of Rhododendron is relatively erect and long, about 27 to 70 cm, and the raceme grows about 10 to 25 cm