# Floral tube

**Source**: https://eflora.sydney.edu.au/glossary/floral-tube
**Parent**: https://eflora.sydney.edu.au/glossary/

a usually tubular or cup-like structure present in some flowers and interpreted as the [fused](https://eflora.sydney.edu.au/glossary/fused "joined and growing together.") [basal](https://eflora.sydney.edu.au/glossary/basal "attached or grouped at the base") portions of the [androecium](https://eflora.sydney.edu.au/glossary/androecium "the stamens collectively.") and [perianth](https://eflora.sydney.edu.au/glossary/perianth "the calyx and corolla collectively, especially when they are morphologically similar.") or as an upgrowth of the [receptacle](https://eflora.sydney.edu.au/glossary/receptacle "the part of the axis which bears the floral parts;"). It may be [free](https://eflora.sydney.edu.au/glossary/free "united with any other part.") or [adnate](https://eflora.sydney.edu.au/glossary/adnate "organically fused to another but different kind of part, e.g. stamens to petals;") to the part or whole of the [ovary](https://eflora.sydney.edu.au/glossary/ovary "the basal portion of a carpel or group of fused carpels in which one or more ovules are enclosed, and which after fertilization develops into the fruit."). The Hypanthium of some authors.

## Related terms

- [Androecium](https://eflora.sydney.edu.au/glossary/androecium)

- [Floral types](https://eflora.sydney.edu.au/glossary/image/floral_types "Diagrammatic median vertical sections showing different ways in which ovaries, stamens, carpels and floral tubes may be positioned relative to each other.")