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Ratibida columnifera

Ratibida columnifera (Nutt.) Wooton & Standl.

Ratibida columnifera (Nutt.) Woot. & Standl.

Lepachys columnaris (Pursh) Torr. & A. Gray

Lepachys columnifera (Nutt.) J.F. Macbr.

Ratibida columnaris (Pursh) D. Don

Ratibida columnaris (Pursh) D. Don var. pulcherrima (DC.) D. Don

Rudbeckia columnaris Pursh non Sims

Rudbeckia columnifera Nutt.

Upright Prairie Coneflower, Mexican Hat

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassAsteridaeA large class that encompasses asters
OrderAsteralesFlowering plants with a central disk flower and surrounding petals, like daisies
FamilyAsteraceaeThe aster family, which also includes daisies and sunflowers; from the Greek ἀστήρ, “star,” for the star-shaped flowers
GenusRatibidaA name used by C.S. Rafinesque. David Hollombe sent me the following: “Rafinesque’s brief description in a paper in ‘Journal de physique, de chimie et d’histoire naturelle et des arts’ in 1819 mentions the rays as being bifid, although that explanation does not account for the ‘t’.” Rafinesque often assigned unexplained names to plants. It is curious that about 60 sites online use the spelling Ratidiba rather than Ratibida
SpeciescolumniferaBearing columns, in reference to the tall cylindrical flower heads

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Ratibida columnifera description by Thomas H. Kent, last updated 11 Oct 2018.

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Ratibida columnifera (Upright Prairie Coneflower, Mexican Hat)

8/31/2014 · NM
≈ 3½ × 4" (8.9 × 10 cm)

Ratibida columnifera (Upright Prairie Coneflower, Mexican Hat)

8/31/2014 · NM
≈ 3½ × 4" (9.4 × 10 cm)

Ratibida columnifera (Upright Prairie Coneflower, Mexican Hat)

8/28/2014 · Town of Taos Visitor Center, Taos, NM
≈ 6 × 7" (15 × 18 cm)

Ratibida columnifera (Upright Prairie Coneflower, Mexican Hat)

8/28/2014 · High Road to Taos, NM · By Susan M. Kent
≈ 2½ × 1¾" (6.3 × 4.8 cm)

Range:

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