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Botanical Studies
Fig. 2 | Botanical Studies

Fig. 2

From: Expression shifts of floral symmetry genes correlate to flower actinomorphy in East Asia endemic Conandron ramondioides (Gesneriaceae)

Fig. 2

The SEM photos of morphological development process of Conandron ramondioides flowers. Zygomorphy was observed at Stage 3 of sepal whorl. Definition of developmental stages of C. ramondioides based on (Harrison et al. 1999). a Stage 3, the sepals form as bulges at the points of the pentagon. b Stage 4, the sepals grow, while the floral meristem remains undifferentiated. c Stage 6, the corolla and androecium grow, and the gynoecium initiates. d Stage 7A, petal growth. e Stage 7B, androecium and gynoecium development. f Floral diagram of C. ramondioides. Se Sepals, Pe petals, S stamen, G gynoecium. Scale bar represents 50 μm

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