Gentiana species

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Scientific Name Gentiana affinis (Pneumonanthe affinis) USDA PLANTS Symbol GEAF
Common Name Rocky Mountain Gentian, Pleated Gentian ITIS Taxonomic Serial No. 29964
Family Gentianaceae (Gentian) SEINet
Reference
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Description Life zones and habitat: Montane and subalpine (7500 to 10500 ft.); rocky areas in dry meadows, occasionally in wetlands.
Plant: Erect or reclining perennial 4 to 20 inches tall; purple-tinged stem with small hairs, unbranching except at tips.
Leaves: Clasping stem leaves, opposite, lanceolate to elliptic-ovate, 1/2 to 1-1/2 inches long, smooth upper surface, small hairs on edges.
Inflorescence: Several to many purple-blue flowers in a relatively short and dense spike, each blossom subtended by leaf-like bracts; narrow funnel-shaped corolla tube about an inch long with 5 pointed lobes; pale yellow anthers.
Bloom Period: July to September.
References: "Flora of Colorado" by Jennifer Ackerfield and SEINet.
BONAP Distribution Map

Colorado Status:
Native
Scientific Name Gentiana parryi (Pneumonanthe parryi) USDA PLANTS Symbol GEPA
Common Name Mountain Gentian, Parry's Gentian ITIS Taxonomic Serial No. 29980
Family Gentianaceae (Gentian) SEINet
Reference
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Description Life zones and habitat: Montane and alpine (7500 to 13200); moist areas in meadows, along stream banks, bogs, thickets.
Plant: Erect perennial 4 to 14 inches tall; multiple, leafy stems.
Leaves: Smooth opposite stem leaves, ovate to lanceolate, 3/4 to 1-1/2 inches long with pointed tips.
Inflorescence: Deep blue, barrel- or cup-shaped flowers opening during the day; 1 to 1-1/2 inches long and 1 inch across; 5 petals and 5 sepals fused together, light-colored, spotted throats, yellow anthers.
Bloom Period: July-September.
References: "Flora of Colorado" by Jennifer Ackerfield, "Guide to Colorado Wildflowers" by G.K. Guennel, www.americansouthwest.net and SEINet.
BONAP Distribution Map

Colorado Status:
Native
Scientific Name Gentiana prostrata (Chondrophylla prostrata) USDA PLANTS Symbol GEPR3
Common Name Pygmy Gentian, Moss Gentian ITIS Taxonomic Serial No. 29983
Family Gentianaceae (Gentian) SEINet
Reference
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Description Life zones and habitat: Alpine (11300 to 14000 ft.); meadows, grassy slopes, ridges, around ponds and bogs.
Plant: Inconspicuous annual or biennial from 1 to 4-3/4 inches tall; slender, weak, leafy stems.
Leaves: Smooth, overlapping, opposite, spatulate-obovate to broad-oblanceolate leaves, 1/4-inch long or less hugging the stem; may have whitish margins.
Inflorescence: Tiny, solitary, terminal blossoms 3/4-inch long; green calyx tube below 4 blue, pointed corolla lobes joined by pleats opening during the day.
Bloom Period: June to August.
References: "Guide to Colorado Wildflowers" by G.K. Guennel, Jepson Herbarium and Montana Field Guide
BONAP Distribution Map

Colorado Status:
Native

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© Tom Lebsack 2020