Gentiana linearis Froel. - Narrow-leaved Gentian


 

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Gentiana linearis - (image 1 of 6)

 

Taxonomy

Family: Gentianaceae

Habitat

Wet woods, meadow, shores.

Associates

 

Distribution

Quebec and southwest Labrador to New Brunswick, NJ, PA, and southern Ontario, south locally to TN and west on acid substrates to the Lake Superior region of MI and Ontario.

Morphology

Perennial herb to 80 cm; leaves opposite, dark green, linear-oblong to narrowly laceolate, 4-9 cm long and up to 1 cm wide, narrowed to the base; flowers mostly few in a terminal cluster, often also some in the upper axils; involucral leaves spreading; calyx lobes linear or narrowly oblong, 4-12 mm; corolla blue (white), 3-5 cm long, narrowly open; corolla lobes incurved, broadly ovate, obtuse or rounded at the apex, exceeding the obliquely triangular, entire or 1-toothed plaits by 3-5 mm; anthers connate.

Notes

Flowers August to September

Wetland indicator: FACW

Similar to G. clausa but with more slender leaves and corolla lobes that more noticeably exceed the plaits. More common in northern areas.

References

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.

The New York Botanical Garden. Bronx, NY

 

USDA, NRCS. 2002.
The PLANTS Database, Version 3.5 (http://plants.usda.gov).
National Plant Data Center, Baton Rouge, LA 70874-4490 USA.


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 Michael Hough 2018