Fig. 6From: Gametophyte and embryonic ontogeny: understanding the reproductive calendar of Cypripedium japonicum Thunb. (Cypripedoideae, Orchidaceae), a lady’s slipper orchid endemic to East Asiaa Reproductive calendar of Cypripedium japonicum representing respective developmental stages. Coloured lines indicate the duration for the corresponding stage. Numbers (1–4) indicating weeks of the corresponding month. b Reproductive calendar of Cypripedium japonicum with flowers and fruit of main developmental stages. Blue lines indicate the duration for the corresponding stage. Numbers (1–4) indicating weeks of the corresponding monthBack to article page