Codonopsis pilosula

Codonopsis (school name;Codonopsis pilosula (Franch.) Nannf. ) Codonopsis of platycodonida, perennial herb with milk. The stem with numerous tumor like stem scars, root hypertrophy often spindlelike or spindle shaped cylindrical stems, sterile or apex flowers, yellow green or yellow, leaf stem and branches in the alternate, petiole sparsely short bristles, leaf blade ovate or narrowly ovate, margin sinuate obtusely serrate, on the surface the green, gray green, flowers solitary, branches, and petioles to alternate or opposite, upper corolla campanulate, lobes deltoid, anthers elongated, seeds numerous, ovoid, 7-10 month blossom.