Recovery Strategies

Recovery Strategy for Hoary Mountain-mint (Pycnanthemum incanum (L.) Michx) in Canada

Hoary Mountain-mint is one of several species of mountain-mint (Pycnanthemum) found in Ontario. It is a perennial herbaceous plant that grows to a height of 1 m. In Ontario, the plants are reproducing largely vegetatively from rhizomes (underground horizontal stems), even though the plants are producing viable seeds. The stems have many fine white hairs, especially on the upper parts. In this particular species, the number of stems per plant is an indicator of the age and hardiness of the plant (Obee 1994). The leaves are opposite. The main leaves are 5-10 cm long and 1.5-3.5 cm wide. They are densely hairy on the lower leaf surface and on the upper surface of the leaves in the upper part of the plant. They have few teeth and a fragrant, minty scent. The genus is appropriately named Pycnanthemum, which means "densely flowered". The small, white, purple-spotted flowers are found in dense clusters at the end of stems and in the leaf axils. The flowers clusters are 1.5 to 3.5 cm in diameter and bloom in mid to late summer.

Consultation period: 2007-02-27 to 2007-04-27

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Recovery Planning
Canadian Wildlife Service
15th Floor, Place Vincent Massey
351 St-Joseph Boulevard
Gatineau, QC
K1A 0H3
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