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A ligulate head has all ligulate flowers and no disc flowers. When an Asteraceae flower head has only disc flowers that are either sterile, male, or bisexual (but not female and fertile), it is a discoid head. Disciform heads possess only disc flowers in their heads, but may produce two different sex types (male or female) within their ...
Gynomonoecy is defined as the presence of both female and hermaphrodite flowers on the same individual of a plant species. [1] It is prevalent in Asteraceae but is poorly understood. [2] It is a monomorphic sexual system comparable with monoecy, andromonoecy and trimonoecy. [3]
Abies ← [a] Abronia ← Acacia ← Acanthus ← Actinidia ← Actinotus ← Aerangis ← Aeranthes ← Aerides ← Aeschynanthus ← Agalmyla ← Agastache ← Agrostemma ← Aichryson ← Alloplectus ← Alopecurus ← Alphitonia ← Ammocharis ← Ammophila ← Androstephium ← Anemone ← Angophora ← Antirrhinum ← Aphyllanthes ← Archontophoenix ← Arctostaphylos ← Ardisia ← ...
[clarification needed] [citation needed] The show there in the flowering season is a rich treat for the lovers of floriculture : for almost every variety can be seen growing in two large blocks or masses which lead from the road to the dwelling-house, and form a complete field of the Dahlia as a foreground to the house. Mr.
ABC model of flower development guided by three groups of homeotic genes. The ABC model of flower development is a scientific model of the process by which flowering plants produce a pattern of gene expression in meristems that leads to the appearance of an organ oriented towards sexual reproduction, a flower.
Aster is a genus of flowering plants in the family Asteraceae. As of August 2024 Plants of the World Online accepts 186 species. [1] For species formerly placed in genus Aster, see List of Aster synonyms.
Close-up of a Schlumbergera flower, showing part of the gynoecium (specifically the stigma and part of the style) and the stamens that surround it. 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.
Another large group of flowering plants is the Asteraceae or sunflower family with close to 22,000 species, [11] which also have highly modified inflorescences composed of many individual flowers called florets. Heads with florets of one sex, when the flowers are pistillate or functionally staminate or made up of all bisexual florets, are ...