Trichostema dichotomum L.

Growth Form

Trichostema dichotomum L. is an annual herbaceous forb.

Leaf Characteristics

It has opposite, simple leaves that are covered in small hairs.

Stem Characteristics

It also has square, erect, hairy stems that carry glandular hairs which release a fragrance when disturbed.

Flower Color and Bloom Period

Its flowers are blue, and bloom from late summer through mid autumn.

Individual Flower Lifespan

Each individual flower only blooms for half a day: it opens in the morning, and drops its petals and stamens by the afternoon.

Germination Period and Habitat Requirements

This species germinates early in the summer, and grows in sunny, moderately dry, sandy habitats.

Habitat Types

These habitats include sandhills, open woodlands, glades, and disturbed areas.

Ecological Role as Nectar Source

It is an important nectar source for bees, specifically including Caupolicana electa and Dialictus placidensis.