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Grindelia lanceolata  Nutt.
Bourbon County, Kansas
Biennial or short-lived perennial
Height: 8-48 inches
Family: Asteraceae - Sunflower Family
Flowering Period:   August, September,October
Also Called: Narrowleaf gumweed.
Stems: Ascending to erect, simple or branched from base or distally, glabrous.
Leaves: Alternate, basal and cauline; petiole absent; narrowly oblanceolate to lanceolate, narrowly elliptic, oblong, or linear, 1.2 to 3.4 inches long, .12 to .6 inch wide, base cuneate to clasping, margins serrate with minutely bristle-tipped teeth, apex acute to acuminate, surfaces not gland-dotted.
Inflorescences: Heads usually in corymb-like arrays, rarely solitary. Involucres urn-shaped to globose, .3 to .6 inch tall, .4 to .8 inch wide. Phyllaries in 5-9 series, lanceolate to linear, apex erect to spreading, outermost sometimes recurved.
Flowers: Ray florets 12-36, pistillate, fertile; corolla yellow; ligules .4 to .6 inch. Disk florets 20-300, usually bisexual; corolla yellow, funnelform, lobes 5.
Fruits: Achenes, ellipsoid to obovoid, slightly compressed, .16 to .24 inch; pappus of 2 smooth awns .16 to .28 inch.
Habitat: Rocky tallgrass prairies, pastures, and glades
Distribution: Southeast 1/4 of Kansas
Origin: Native
Comments: Grindelia for Latvian botanist David Hieronymus Grindel and lanceolata little lance, alluding to the leaf shape.

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