What is "trachelium"

Trachelium (from the Greek word for "neck") is the term in architecture given to the neck of the capital of the Doric and Ionic orders. In the Greek Doric capital it is the space between the annulets of the echinus and the grooves which marked the junction of the shaft and capital; in some early examples, as in the basilica and temple of Ceres at Paestum and the temple at Metapontum, it forms a sunk concave moulding, which by the French is called the gorge. In the Roman Doric and the Ionic orders the term is given by modern writers to the interval between the lowest moulding of the capital and the top of the astragal and fillet, which were termed the hypotrachelium.

Trachelium is a genus of flowering plants in the family Campanulaceae.

There are at least three species.

Species include:

• Trachelium caeruleum – blue throatwort
• Trachelium × halteratum
• Trachelium lanceolatum

Two other species, T. asperuloides and T. jacquinii, may be treated as members of genus Campanula.

T. caeruleum is cultivated as an ornamental plant.

Trachelium may refer to:

• Trachelium (architecture), a part of a Doric or Ionic column
• Trachelium (insect), a genus of insects in the broad-headed bug family, Alydidae
• Trachelium (plant), a genus of plants in the bellflower family, Campanulaceae