Fig. 2From: Phenotype correlation analysis and excellent germplasm screening of herb Bletilla Rchb. f. based on comprehensive evaluation from thirty-three geographic populationsSummary of morphological measurements, pseudobulb weight and main active ingredient content of B. striata and B. ochracea. Comparison of morphological measurements (a), pseudobulb weight (b) and the main active ingredient contents (c) in different growth stages and different species of B. striata and B. ochracea. Values are the mean ± SD (standard deviation), and different lowercase letters indicate significant differences with the parameter of P < 0.05Back to article page