Supriya Ghosh (Editor)

Erigeron tweedyi

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Kingdom  Plantae
Family  Asteraceae
Genus  Erigeron
Order  Asterales
Tribe  Astereae
Rank  Species
Erigeron tweedyi

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Erigeron tweedyi is a North American species of flowering plant in the daisy family known by the common name Tweedy’s fleabane. It is native to the northern Rocky Mountains in the US states of Montana, Idaho, and Wyoming.

Erigeron tweedyi grows on talus and rocky slopes at high elevations. It is a perennial herb up to 20 centimeters (8 inches) tall, producing a taproot and a branching underground caudex. Leaves are covered with grayish-white hairs. The inflorescence is made up of 1-4 flower heads per stem. Each head contains 20–50 white, blue, or purple ray florets surrounding numerous yellow disc florets.


Erigeron tweedyi Wikipedia