Fig. 2

C. lanceolata female and male cones with their vertical section. a Male cone with a high number of male strobili. b Female cone with scale leaves and slightly opened bract-scales. Tree No.3–15-31, shown as F3, M3; Tree No.4–9-31, shown as F4, M4. Scale bar: A, B = 1 cm. c Male cone with axes (a), microsporophyll (b). Microsporophyll bears pollen sac (c), and pollen (d). Female cone with axes (a’), scale (h’), and macrosporophyll. Macrosporophyll with bract-scale (d’), ovuliferous scale (c’). ovuliferous scale with lobe (e’), integument (f’), nucellus (g’) [8]