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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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SEM micrographs of pollen grains in Blumea. (A) B. aromatica (8500×), (A-1) Polar view, (A-2) Equatorial view; (B) B. densiflora (8500×), (B-1) Polar view, (B-2) Equatorial view; (C) B. balsamifera (8400×), (C-1) Equatorial view, (C-2) Polar view; (D) B. duclouxii (8500×), (D-1) Equatorial view; (D-2) Polar view; (E) B. clarkei (8400×), (E-1) Polar view, (E-2) Equatorial view; (F) B. eberhardtii (8400×), (F-1) Equatorial view, (F-2) Polar view; (G) Cyathocline purpurea (8400×), (G-1) Polar view, (G-2) Equatorial view; (H) B. fistulosa (8500×), (H-1) Polar view; (H-2) Equatorial view.