Agastache parvifolia
Encyclopedia
Agastache parvifolia is a species of flowering plant in the mint family
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...

 known by the common name small-leaf giant hyssop. It is endemic to far northern California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

, where it grows in woodlands. It is an uncommon species and is sometimes considered a local subspecies of Agastache urticifolia
Agastache urticifolia
Agastache urticifolia is a species of flowering plant in the mint family known by the common name nettle-leaf giant hyssop. It is native to western North America from British Columbia to California to Colorado, where it grows in many habitat types...

. This is an aromatic perennial herb producing an erect stem with triangular serrated leaves on petioles
Petiole (botany)
In botany, the petiole is the stalk attaching the leaf blade to the stem. The petiole usually has the same internal structure as the stem. Outgrowths appearing on each side of the petiole are called stipules. Leaves lacking a petiole are called sessile, or clasping when they partly surround the...

. This species is characterized by leaves under 5 centimeters long and 3.5 wide. The inflorescence
Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...

 is a spike occupying the top of the stem. The flowers have pink-tipped green sepal
Sepal
A sepal is a part of the flower of angiosperms . Collectively the sepals form the calyx, which is the outermost whorl of parts that form a flower. Usually green, sepals have the typical function of protecting the petals when the flower is in bud...

s and tubular pink corollas.

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