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. 2020 Dec 19;25(24):6025. doi: 10.3390/molecules25246025

Figure 1.

Figure 1

Lamium album subsp. album flowers and fragments of the corolla. c—stereoscopic microscopy (SM), (d–g)— scanning electron microscopy (SEM), (h,i)—light microscopy (LM). (a) Blooming plants. (b) Fragment of an inflorescence. (c) Lateral view of the flower. (d) Margin of the upper lip with long non-glandular trichomes. (e) Various types of trichomes and papillae on the abaxial surface of the upper lip: glandular trichomes (arrows), non-glandular trichomes (double arrows). (f) Fragment of the adaxial surface of the corolla tube with unevenly distributed non-glandular conical trichomes (double arrows), glandular trichomes (arrows) and a ring of flattened non-glandular trichomes (stars) located above the ovary. (g) Papillae and glandular trichomes with a 4-celled head on the adaxial surface of the upper lip. (h) Cross section of the upper lip with visible papillae (asterisks), glandular trichomes (arrow), and a non-glandular trichome (double arrow). (i) Loose arrangement of mesophyll cells in the cross section of the upper lip. Scale bars: 1 cm (a), 5 mm (b), 4 mm (c), 500 µm (d,f,i), 100 µm (e), 30 µm (h), 20 µm (g).