Erigeron tener
Encyclopedia
Erigeron tener is a species of flowering plant in the daisy family
known by the common name slender fleabane. It is native to the western United States, where it grows in mountainous and rocky plateau habitat. This is a small, clumping perennial herb producing a gray-green stem up to about 15 centimeters tall. It is surrounded at the base by narrow oval-shaped leaves on petioles
. There may be a few much smaller leaves along the stem. The inflorescence
is made up of one or two flower heads
lined with hairy, glandular phyllaries
and bearing many flat blue or purple ray florets.
Asteraceae
The Asteraceae or Compositae , is an exceedingly large and widespread family of vascular plants. The group has more than 22,750 currently accepted species, spread across 1620 genera and 12 subfamilies...
known by the common name slender fleabane. It is native to the western United States, where it grows in mountainous and rocky plateau habitat. This is a small, clumping perennial herb producing a gray-green stem up to about 15 centimeters tall. It is surrounded at the base by narrow oval-shaped 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...
. There may be a few much smaller leaves along the stem. 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 made up of one or two flower heads
Head (botany)
The capitulum is considered the most derived form of inflorescence. Flower heads found outside Asteraceae show lesser degrees of specialization....
lined with hairy, glandular phyllaries
Bract
In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis, or cone scale. Bracts are often different from foliage leaves. They may be smaller, larger, or of a different color, shape, or texture...
and bearing many flat blue or purple ray florets.