| Pedicularis verticillata|
Pedicularis verticillata, the whorled lousewort, is a species of flowering plant from the order of Lamiales which can be found in Alaska, North-Western Canada, and everywhere in China at the elevation of 2,100–4,400 metres (6,900–14,400 ft).
The plant is perennial and is 15–35 centimetres (5.9–13.8 in) high. The stems are erect at the center and have hairs which come in four lines. It leaves carry 3 centimetres (1.2 in) long petioles which are white coloured while its leaf-blades are oblong, lanceolate and are 2.5–3 centimetres (0.98–1.18 in) by 1–1.2 centimetres (0.39–0.47 in) (sometimes they are as wide as 1.8 centimetres (0.71 in)). Both stem and basal leaves are of the same length while the species' calyx is red and is 6 millimetres (0.24 in) long and is ovoid. Raceme is inflorescent and dense, with white coloured flowers. It corolla is of purple colour and is 1.3 centimetres (0.51 in) with right tube being bent. The galea is falcate, 5 millimetres (0.20 in) long and rounded at the front. The plant' capsule is 1–1.5 centimetres (0.39–0.59 in) by 4–5 millimetres (0.16–0.20 in), and is both apiculate and lanceolate with the seeds being 1.8 millimetres (0.071 in) long.
- Description of how plant blooms and photos of it every day life on Alaska Wildflowers