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. 2017 Dec 18;121(1):161–174. doi: 10.1093/aob/mcx142

Fig. 4.

Fig. 4.

Stages 3–5 of floral ontogeny in Eugenia punicifolia. (A–C) Initiation of anthers and ovules. Note style bending in panel (B). (D) Exposure of the corolla prior to anthesis. (E) Longitudinal section of pre-anthetic bud showing maturation of anthers and ovules. Note that the style is sharply bent downwards. (F) Detail of ovule maturation in both ovary locules. (G–I) Mature pollen sacs in pre-anthetic anther. (J) Bud with exposed corolla (arrow) and recently opened flower of E. punicifolia (field image). (K, L) Thecae opening during anthesis of Eugenia dichroma; thecae are reflexed 180° to expose pollen grains. S, sepals; P, petals; A, androecium; G, gynoecium; G(ov), ovules; A(ant), anther; loc, locule; ad, adaxial pollen sac; ab, abaxial pollen sac; pol, pollen grain. Scale bars: (Kii) = 50 µm; (A, C, G, H, I, Ki, L) = 100 µm; (Fii) = 200 µm; (B, D, E, Fi) = 500 µm; (J) = 5 mm. Colour coding in online version: sepals, green; corolla, red; androecium, yellow; gynoecium, blue.