... and concentrated flower-buds, long flowering phase,high output Hongxing 2 (have high yields and flowering concentration, tidy, disease-resistant ability ... 1.3 to 5.5 cm in diameter, the upper part 2 to 3 millimeter, surface light yellow or yellowish brown, into ... teeth oval triangle, hairy; Corolla tubular, upside slightly cracking into 2-lipped, sometimes visible and open flowers, stamens 5, pistil 1 ...