Odontites luteus (L.) Clairv.

Scientific Classification and Growth Form

Odontites luteus (L.) Clairv. is an annual hemiparasitic plant that reaches 10 to 60 cm in height.

Leaf Morphology

Its leaves are linear, narrow, and generally have smooth, untoothed margins.

Inflorescence Structure

Its inflorescences are arranged into unilateral clusters.

Corolla Characteristics

The pubescent corolla is deep yellow, and has margins edged with ciliate beards.

Stamen Morphology

The stamens are distinctly visible, extending out beyond the corolla.

Chromosome Count

This species has a chromosome count of 2n = 20.

Distribution and Subspecies

This plant is distributed across Europe and North Africa, where the North African population is classified as subspecies reboudii.

Habitat Types

It grows in steppes, garrigues, and along the edges of dry forests.

Soil and Light Preferences

It favors moderately dry, typically limestone-based soils low in clay, and always grows in sunny locations.

Plant Community Association

In Central Europe, this species is part of the plant communities belonging to the Festuco-Brometea and Sedo-Scleranthetea classes.