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The disk florets are in the center of the bloom head, and the ray florets are on the perimeter. The ray florets are considered imperfect flowers, as they only possess the female reproductive organs, while the disk florets are considered perfect flowers, as they possess both male and female reproductive organs. Display in Pakistan
The flowers are either imperfect [Note 2] or perfect, with the 6 tepals monomorphic and shaped lanceolate. The male flowers are pale yellow, smaller than the female ones, and have an occasionally have an aborted ovary. The female flowers are initially pale yellow but become red to rose, and always have aborted stamens. The perfect flowers are ...
In some species of plants, the flowers are imperfect or unisexual: having only either male (stamen) or female (carpel) parts. If unisexual male and female flowers appear on the same plant, the species is called monoecious .
Flowers in Asteliaceae are typically dioecious but it varies depending on the genus. [8] Milligania and Neoastelia have perfect bisexual flowers while Astelia (including Collospermum) usually have imperfect unisexual flowers. [8] One Astelia species in specific produces both female flowers and imperfect flowers together in the same population. [8]
A raceme (/ r eɪ ˈ s iː m, r ə-/) or racemoid is an unbranched, indeterminate type of inflorescence bearing flowers having short floral stalks along the shoots that bear the flowers. The oldest flowers grow close to the base and new flowers are produced as the shoot grows in height, with no predetermined growth limit.
Plant species where normal mode of seed set is through a high degree of cross-pollination have characteristic reproductive features and population structure. Existence of self-sterility, [1] self-incompatibility, imperfect flowers, and mechanical obstructions make the plant dependent upon foreign pollen for normal seed set. Each plant receives ...
These are lists of flowers. Lists of flowering plants belong in Category:Lists of plants. Subcategories. This category has only the following subcategory. O.
List of endangered plants of North America; Lists of flora of the United States; List of Canadian plants by genus; List of trees of Canada; List of flora of the Lower Colorado River Valley