Difference between revisions of "Gentiana douglasiana"
Mém. Acad. Imp. Sci. St.-Pétersbourg, Sér. 6, Sci. Math. 2: 156, plate 6. 1832.
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|genus=Gentiana | |genus=Gentiana | ||
|species=Gentiana douglasiana | |species=Gentiana douglasiana | ||
Latest revision as of 13:16, 24 November 2024
Herbs annual, 0.5–2.7 dm, glabrous. Stem 1, often branched from near base and distally, main axis erect. Leaves basal and cauline, cauline ± evenly spaced; basal blades oblong-obovate to ovate, 0.4–2.3 cm × 2–9 mm, apex obtuse to acute; cauline blades ovate to elliptic, 0.3–1 cm × 2–7 mm on main axis, smaller on branches, apex generally ± acute. Inflorescences solitary flowers or open, 2–7-flowered cymes terminating main axis and branches. Flowers: calyx 4–7 mm, lobes linear-oblong, 1.5–3 mm, margins not ciliate; corolla adaxially white with purple spots near base of lobes distal to yellowish green throat, abaxially suffused with green and distally with deep blue, nearly salverform, open, 9–14 mm, lobes ovate-triangular, 3–5 mm, free portions of plicae symmetrically divided to base into 2 lanceolate, acuminate segments; anthers distinct. Seeds winged. 2n = 26.
Phenology: Flowering late spring–early fall.
Habitat: Bogs, boggy woodlands, wet meadows and tundra.
Elevation: 0–1500 m.
Distribution
B.C., Alaska, Wash.
Discussion
Selected References
None.