[2] Robert Elias Fries, the Swedish botanist who first formally described the species, named it after its flowers which grow from its main trunk or stem (caulis in Latin).
Its branching inflorescences have 1–5 flowers on 3–12 by 1–1.5 millimeter peduncles that grow on thick twigs or directly from the main trunk.
The pedicels are subtended by a triangular, 1.5–2 millimeter long bract that is covered in dense gold colored hairs.
The pedicels have a second oval to triangular bract at their midpoint that is 2–4 millimeters long and covered in dense gold colored hairs.
Its mature fruit are round to ellipsoid, 8–13 by 10–14 millimeters, and variable colored orange, red, brown or black.
[4][5][6] It has been observed growing in forest habitats, with clay or sand soils, at 100–500 meter elevations.