Fig. 1
Morphology of leaves. Eucalyptus badjensis (A), E. benthamii (B), E. dunnii (C), E. globulus (D), E. grandis (E), E. saligna (F) [ad, adaxial side; ab, abaxial side]. Scale bar: A–F = 2 cm.
Fig. 2
Leaf epidermis in Eucalyptus [light microscopy; stained in safranin]. E. badjensis (A, B), E. benthamii (C, D), E. dunnii (E, F), E. globulus (G, H), E. grandis (I, J), E. saligna (K, L). Adaxial side (A, C, E, G, I, K), Abaxial side (B, D, F, H, J, L) [oc, overlying cell; pa, papillae; st, stomata; wa, aggregated waxes]. Scale bar: A–L = 50 µm.
Fig. 3
Anatomy of Eucalyptus – epidermis in surface view [scanning electron microscopy]. E. badjensis (A–B), E. benthamii (C, D, E), E. dunnii (F, G), E. globulus (H–J), E. grandis (K, L), and E. saligna (M, N). Adaxial side (A, C, F, H, I, K, M), abaxial side (B, D, E, G, J, L, N). [ct, cuticle; le, lenticel; pa, papillae; pr, prismatic crystal; st, stomata; wa, aggregated waxes; wc, crusts waxes; wg, granules waxes; wp, parallel platelets waxes; wr, rosette waxes; wt, wax tubules. Scale bars: A, C, E, I, L = 50 µm; B, D, G, M, N = 20 µm; F, K = 10 µm; I = 5 µm; H = 2 µm.
Fig. 4
Spectra of X-ray energy dispersive elemental analysis of isolate crystals. (A) Prismatic crystals found on the leaf epidermal surface in Eucalyptus globulus; (B) prismatic crystal of midrib of E. dunnii; druse of mesophyll of E. globulus.
Fig. 5
Anatomy of Eucalyptus – leaf midrib in cross-section. E. badjensis (A), E. benthamii (B), E. dunnii (C), E. globulus (D), E. grandis (E), and E. saligna (F). [co, collenchyma; eo, essential oil; ep, epidermis; fi, fibers; ph, phloem; pp, palisade parenchyma; sc, secretory cavity; sp, spongy parenchyma; sv, secondary vein; vb, vascular bundle; xy, xylem]. Scale bars: A–F = 200 µm.
Fig. 6
Anatomy of Eucalyptus – [scanning electron microscopy (E, H) and normal light (all others) microscopy]. E. badjensis (A, B), E. benthamii (C, D), E. dunnii (E, F, G), E. globulus (H), E. grandis (I, J), and E. saligna (K, L). [co, collenchyma; ct, cuticle; dr, druses; eo, essential oil; ep, epidermis; fi, fibers; gp, ground parenchyma; pc, phenolic compounds; ph, phloem; pp, palisade parenchyma; pr, prismatic crystal; sc, secretory cavity; sg, starch grains; sp, spongy parenchyma; sr, sclerenchymatous fiber caps; sv, secondary vein; vb, vascular bundle; xy, xylem]. Scale bars: C, F, L = 100 µm; A, B, D, G, I, J, K = 50 µm; H = 5 µm; E = 2 µm.