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The floral axis (receptacle) is the circle in the middle, surrounded by staminodes, petals, and sepals. The main axis is the circle at the top of the diagram [2] Floral diagramming is a method used to graphically describe a flower. In the context of floral diagramming, the floral axis represents the center point around which the diagram is ...
A spike, usually pendulous, in which the mostly small flower s are unisexual and without a conspicuous perianth, e.g. in willows, poplars, oaks, and casuarinas. The individual flowers often have scaly bract s and are generally wind-pollinated. Catkins are usually shed as a unit. caudate Having a narrow, tail-like appendage or tip, e.g. a drip tip.
Floral diagram of Anagallis arvensis. [1]: 307 The dot represents the main axis, green structure below is the subtending bract.Calyx (green arcs) consists of five free sepals; corolla (red arcs) consists of five fused petals.
Zygomorphic – one axis of symmetry running down the middle of the flower so the right and left halves reflect each other. Zygomorphy – the type of symmetry that most irregular flowers have, where the upper half of the flower is unlike the lower half, but the left and right halves tend to be mirror images of each other.
Magnolia grandiflora, a spiraled flower.. Depending on the family considered, the pieces of the flower can be arranged on the receptacle in two different ways. In the case of the spiral arrangement, the parts are inserted consecutively and at different levels, describing a spiral on the axis in the same way as the leaves are inserted on the stem.
Roughly identical floral structures – petals, sepals, and stamens – occur at regular intervals around the axis of the flower, which is often the female reproductive organ containing the carpel, style and stigma. [9] Lilium bulbiferum displays hexamerism with repeated parts arranged around the axis of the flower.
The main axis (also referred to as major stem) above the peduncle bearing the flowers or secondary branches is called the rachis. The stalk of each flower in the inflorescence is called a pedicel. A flower that is not part of an inflorescence is called a solitary flower and its stalk is also referred to as a peduncle.
Spike of fruits- showing in succession (from below) female flowers, male flowers, and sterile flowers forming a ring of hairs borne on the spadix. Diagram of spadix In botany , a spadix ( / ˈ s p eɪ d ɪ k s / SPAY -diks ; pl. : spadices / ˈ s p eɪ d ɪ s iː z / SPAY -dih-seez , / s p eɪ ˈ d aɪ s iː z / spay- DY -seez ) is a type of ...