Pycnanthemum tenuifolium
Encyclopedia
Pycnanthemum tenuifolium (little-leaved or slender-leaved mountain mint) is a plant
in the mint family, Lamiaceae
.
Many authors believed that the name Pycnanthemum flexuosum refers to this plant, but this does not appear to be correct.
with narrow, opposite, simple leaves
, on wiry, green stems. The flowers are white, borne in summer. Like most plants in the genus, the foliage has a strong mint fragrance when crushed or disturbed.
Plant
Plants are living organisms belonging to the kingdom Plantae. Precise definitions of the kingdom vary, but as the term is used here, plants include familiar organisms such as trees, flowers, herbs, bushes, grasses, vines, ferns, mosses, and green algae. The group is also called green plants or...
in the mint family, Lamiaceae
Lamiaceae
The mints, taxonomically known as Lamiaceae or Labiatae, are a family of flowering plants. They have traditionally been considered closely related to Verbenaceae, but in the 1990s, phylogenetic studies suggested that many genera classified in Verbenaceae belong instead in Lamiaceae...
.
Many authors believed that the name Pycnanthemum flexuosum refers to this plant, but this does not appear to be correct.
Description
Pycnanthemum tenuifolium is a herbaceous plantHerbaceous plant
A herbaceous plant is a plant that has leaves and stems that die down at the end of the growing season to the soil level. They have no persistent woody stem above ground...
with narrow, opposite, simple leaves
Leaf
A leaf is an organ of a vascular plant, as defined in botanical terms, and in particular in plant morphology. Foliage is a mass noun that refers to leaves as a feature of plants....
, on wiry, green stems. The flowers are white, borne in summer. Like most plants in the genus, the foliage has a strong mint fragrance when crushed or disturbed.