“4. flower of Heterostemma acuminatum; 5. one of its anthers; 6. its pollen masses.” -Lindley, 1853
Lindley, John The Vegetable Kingdom (London, England: Bradbury & Evans, 1853)
2400×1062, 318.2 KiB
1024×453, 47.4 KiB
640×283, 25.3 KiB
320×141, 9.4 KiB