File Size: 63 KB
Triosteum angustifolium  L.
Cherokee County, Kansas
Height: 10-28 inches
Family: Caprifoliaceae - Honeysuckle Family
Flowering Period:   April, May, June
Stems: Solitary or few, erect to ascending, unbranched, moderately to densely long hirsute.
Leaves: Opposite, simple; oblanceolate to narrowly elliptic, 4 to 7 inches long, 1 to 2.8 inches wide, base attenuate, not encircling stem, margins ciliate, apex acuminate or occasionally acute, surfaces moderately hirsute, veins often canescent.
Inflorescences: Solitary flowers in axils of upper leaves, sessile, each flower subtended by pair of leaf-like bracts as long or longer than flower; bracts linear-lanceolate to narrowly elliptic, sparsely pubescent.
Flowers: Calyx 5-lobed; lobes linear to narrowly triangular or narrowly lanceolate, .3 to .5 inch long, .04 to .08 inch wide, sparsely hirsute, margins entire, ciliate with long and short hairs, apex acute to obtuse; corolla pale yellow, salverform, .5 to .6 inch, 5-lobed, outer surface with gland-tipped hairs; stamens 5; style included.
Fruits: Drupe, pale orange, spherical, .2 to .3 inch diameter, moderately to densely hairy; nutlets usually 3, tan to straw-colored, ellipsoid.
Habitat: Rocky wooded hillsides, bluff bases, stream banks
Distribution: Cherokee County, Kansas
Origin: Native

Yellow-flowered horse-gentian flowers and bracts
58 KB
Cherokee County, Kansas
Yellow-flowered horse-gentian inflorescence
53 KB
Cherokee County, Kansas
Yellow-flowered horse-gentian
103 KB
Cherokee County, Kansas
Yellow-flowered horse-gentian habit
113 KB
Cherokee County, Kansas
Yellow-flowered horse-gentian leaf
60 KB
Cherokee County, Kansas