SEED PLANTS

Hvězdicovité trichomy
Hvězdicovité trichomy
Hvězdicovité trichomy
The surface of the leaves of the Olea europaea, Elaeagnus commutata or Hippophae rhamnoides is covered by numerous stellate hairs – trichomes. They are well apparent in the reflected light (at the top), in a microrelief (in the middle) or in the transmitted light (down). Photomicrograph, prim. magn. 30–100×.

Tillandsia
Tillandsia
Tillandsia (Tillandsia sp.) is covered by a peltate trichomes which collect a moisture. Photomicrograph of the detail (down), prim. magn. 400×.

Pelargonium
Pelargonium
Pelargonium
Pelargonium
Glandular trichomes of the Pelargonium with their spherical secretory tips. Photomicrograph, prim. magn. 30–400×.

trichom kopřivy
A needle-like trichome of an Urtica (Urtica dioica).

Žahavý trichom kopřivy
A stinging trichome of the Urtica (Urtica dioica). Its silicic tip breaks after an impact like an injection vial and, from the hollow hair, an acidic content is injected into the skin. Photomicrograph, prim. magn. 400×.

Paprsčitý trichom ibišku
A radial trichome of the Hibiscus in the reflected light. Photomicrograph, prim. magn. 100×.

Kandelábrovité trichomy divizny
Branched trichomes of the Verbascum. Photomicrograph, prim. magn. 100×.

Trichomy begonie
Trichomy begonie
Multicellular trichomes on the Begonia petiole.