#floral structure

• Agamogynoecy — A rare form of sexual and structural organization in plants, characterized by the presence on the same individual or within the same population of two distinct flower types: functional female flowers and agamous (neuter, lacking active male or female reproductive organs) flowers. This complex structural system directly influences pollination dynamics in ecosystems, partially limiting self-fertilization.
• Androdynamous — Pertaining to plants or floral structures in which the stamens (the male reproductive organ) exhibit vigorous dynamic development, superior structural strength, or a prominent length relative to the other floral elements. In a rare taxonomic sense, it describes a morphological pattern characterized by the early maturation and functional dominance of male components to favor cross-pollination.
• Androgynous — The feminine gender form of the term 'androgin', used to describe a female individual, a hermaphroditic plant, or a structural entity displaying a visible or functional fusion of masculine and feminine traits. In botany, it describes a flower or inflorescence that structurally contains both stamens and a pistil.
• Andropetalous — Pertaining to stamens or male floral structures that have undergone a regressive morphological transformation or petalody, partially or completely transforming into petals (or petaloid elements). This structural phenomenon is frequently found in double flowers, where the male reproductive apparatus is visually replaced by the protective perianth.
• Astrantia major — A species of herbaceous perennial plant in the Apiaceae family, native to the mountainous regions of Central and Eastern Europe, including the meadows and glades of the Carpathians. It is structurally distinguished by palmate-lobed leaves and unique inflorescences in the form of a simple, compact umbel, surrounded by long, membranous involucral bracts often colored pink, white, or purple, giving it the appearance of a radiant geometric star.