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- Title
Pollen morphology and ontogeny of Maianthemum bifolium (L.) F.W. Schmidt in China.
- Authors
Chen, Bing-Xiao; Zhao, Chun-Hai; Zhao, Yun-Yun; Liu, Xiao-Rui; Liu, Jia-Xi
- Abstract
The study observed the pollen morphology and ontogeny of Maianthemum bifolium (L.) F.W. Schmidt and explored the development and structure of its anther wall using conventional paraffin section and histochemical techniques. The results showed that it has four anthers, consecutive cytokinesis, tetragonally arranged microspore tetrads, two-celled mature pollen grains, and a secretory tapetum. Fascicular crystals were found in the connective tissues and anther wall during pollen ontogeny. The distribution of carbohydrates and lipids changes regularly in the process of pollen development and is related to their physiological activities such as cell division and material synthesis. Under a light microscope, its pollen grains are ellipsoid and have a sulcus and exine with fine, reticulate ornamentation.
- Subjects
CHINA; POLLEN; PLANT morphology; ONTOGENY of plants; ASPARAGACEAE; MICROSCOPES; CELL division; CYTOKINESIS; PLANT development; PLANTS
- Publication
Plant Systematics & Evolution, 2013, Vol 299, Issue 1, p123
- ISSN
0378-2697
- Publication type
Article
- DOI
10.1007/s00606-012-0709-2