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. 2021 Jan 28;185(4):1595–1616. doi: 10.1093/plphys/kiab018

Figure 2.

Figure 2

Macrostructure of different G. hirsutum nectaries at the secretory stage of development. Images obtained using a Canon EOS DSLR camera equipped with a 50-mm macro lens (A–C), macrozoom microscope (D–G), and SEM (H–K). Extrafloral nectaries are identified by arrow heads in panels A–C. The extrafloral nectaries (D–F and H–J) are composed of a pit of densely packed papillae. Floral nectary (G, K) is composed of a ring of stellate trichomes (*) subtended by a ring of papillae. Foliar nectary (A, D, and H); Bracteal nectary (B, E, and I); Circumbracteal nectary (C, F, and J); Floral nectary (G and K). Scale bar A = 5 mm; B and C = 10 mm; and D–K = 0.5 mm.