1、 Plant difference

The plant of Gastrodia elata is 150 to 200 cm high, with a rhizome, thick stem block, oval or nearly dumbbell shape, 8 to 12 cm long and 3 to 7 cm in diameter. The stem is grayish brown with white spots

Gastrodia elata plant is 30 to 100 cm high, sometimes up to 2 meters. Its rhizome is plump, tuberous, oval or close to dumbbell shaped, fleshy, 8 to 12 cm long, 3 to 5 cm in diameter, and sometimes larger. The stem is upright, orange yellow, yellow, gray brown or blue-green in color, without green leaves

2、 Flower difference

dark green flowers, yellow green, nearly erect, petals oblong ovoid, 6 to 7 mm long, 3 to 4 mm wide. p>

Gastrodia elata raceme, 5 to 30 cm long. There are 30 to 50 small flowers in the inflorescence. The bracts of the flowers are oblong lanceolate, 1 to 1.5 cm long, membranous, twisted flowers, and the flowers are orange yellow, yellow white, blue-green or light yellow