Frasera caroliniensis |
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American columbo |
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Habit | Herbs monocarpic, 10–25 dm, glabrous or stems and leaves puberulent. |
Stems | 1. |
Leaf | blades not white-margined; basal spatulate to elliptic or narrowly obovate, 20–45 × 3–10 cm, apex rounded to acute; cauline leaves whorled, blade oblong-lanceolate, 10–32 × 3–7 cm. |
Inflorescences | elongate, open proximally, ± dense distally. |
Flowers | calyx 6–16(–25) mm; corolla pale yellowish green, purple-dotted and sometimes suffused with pale purple, 10–21 mm, lobes elliptic-oblong, apex short-acuminate; androecial corona of trichomes and deeply fringed scales to 3 mm; style slender, distinct; nectaries and foveae 1 per lobe, foveae round, opening directly adaxial to nectary, without a differentiated area on the corolla surface, rim ± evenly fringed all around. |
2n | = 78. |
Frasera caroliniensis |
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Phenology | Flowering late spring–early summer. |
Habitat | Deciduous, ± open woods, often ravines, calcareous soils. |
Elevation | 100–700 m. (300–2300 ft.) |
Distribution |
AL; AR; GA; IL; IN; KY; MI; MO; MS; NC; NY; OH; OK; PA; SC; TN; ON
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Discussion | An old report of Frasera caroliniensis from Louisiana is plausible, but no documentation is known. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 14. |
Parent taxa | Gentianaceae > Frasera |
Sibling taxa | |
Synonyms | Swertia caroliniensis |
Name authority | Walter: Fl. Carol., 88. (1788) |
Web links |