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Plant reproductive morphology is the study of the physical form and structure (the morphology) of those parts of plants directly or indirectly concerned with sexual reproduction . Among all living organisms, flowers, which are the reproductive structures of angiosperms, are the most varied physically and show a correspondingly great diversity ...
Definition. A raceme or racemoid is an unbranched, indeterminate type of inflorescence bearing pedicellate flowers (flowers having short floral stalks called pedicels) along its axis. [ 1] In botany, an axis means a shoot, in this case one bearing the flowers. In indeterminate inflorescence-like racemes, the oldest flowers grow close to the ...
A flower, also known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae ). Flowers consist of a combination of vegetative organs – sepals that enclose and protect the developing flower. These petals attract pollinators, and reproductive organs that produce gametophytes, which in ...
For example, if a plant benefits more from the resources of a given environment in a certain sex, it will change to that sex. Furthermore, Size Dependent Sex Allocation outlines that in sequential hermaphroditic plants, it is preferable to change sexes in a way that maximizes their overall fitness compared to their size over time. [ 66 ]
Monoecy ( / məˈniːsi /; adj. monoecious / məˈniːʃəs /) [ 1] is a sexual system in seed plants where separate male and female cones or flowers are present on the same plant. [ 2] It is a monomorphic sexual system comparable with gynomonoecy, andromonoecy and trimonoecy, and contrasted with dioecy where individual plants produce cones or ...
Jatropha curcas is a species of flowering plant in the spurge family, Euphorbiaceae, that is native to the American tropics, most likely Mexico and Central America. [2] It is originally native to the tropical areas of the Americas from Mexico to Argentina, and has been spread throughout the world in tropical and subtropical regions around the world, becoming naturalized or invasive in many ...
Chrysanthemums ( / krɪˈsænθəməmz / kriss-AN-thə-məmz ), sometimes called mums or chrysanths, [ 5 ] are flowering plants of the genus Chrysanthemum in the family Asteraceae. [ 4 ] They are native to East Asia and northeastern Europe. Most species originate from East Asia and the center of diversity is in China. [ 6 ]
Flowers in Asteliaceae are typically dioecious but it varies depending on the genus. Milligania and Neoastelia have perfect bisexual flowers while Astelia (including Collospermum) usually have imperfect unisexual flowers. One Astelia species in specific produces both female flowers and imperfect flowers together in the same population.
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