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. 2023 Aug 9;12(16):2909. doi: 10.3390/plants12162909

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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LM micrographs of pollen grains. (A) B. aromatica (400×), (A-1) Polar view, (A-2) Equatorial view; (B) B. balsamifera (400×), (B-1) Equatorial view, (B-2) Polar view; (C) B. clarkei (400×), (C-1) Equatorial view, (C-2) Polar view; (D) Cyathocline purpurea (400×), (D-1) Equatorial view, (D-2) Polar view; (E) B. densiflora (400×), (E-1) Equatorial view, (E-2) Polar view; (F) B. duclouxii (400×), (F-1) Polar view, (F-2) Equatorial view; (G) B. eberhardtii (400×), (G-1) Equatorial view, (G-2) Polar view; (H) B. fistulosa (400×), (H-1) Equatorial view, (H-2) Polar view; (I) B. hieraciifolia (400×), (I-1) Equatorial view, (I-2) Polar view; (J) B. hookeri (400×), (J-1) Equatorial view, (J-2) Polar view.