Liatris punctata Hook. - Prairie Snakeroot
Family - Asteraceae
Stems - No info yet.
Root.
Leaves - No info yet.
Leaves and stem.
Inflorescence - No info yet.
Involucre - No info yet.
Ray flowers - Absent.
Disk flowers - No info yet.
Flowering - August - November.
Habitat - Loess hill prairies, upland prairies.
Origin - Native to U.S.
Other info. - This attractive species can be found in just a handful of western Missouri counties. The plant can be identified by its long, carrot-like, vertical root, typically multiple stems, and many flower heads. The flower heads are sessile and contain 3-7 flowers. The pappus of the flowers is plumose.
Another species, L. mucronata DC., is very similar but has softer leaves which arch downward at the tips and a globose corm for a root. The flowers of both species are nearly always pink but plants with pure-white flowers are rarely found. Here is a white-flowered plant:
Photographs taken at Tall Grass Prairie National Preserve, KS., 9-24-06.
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