Frasera speciosa |
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deer's-ears, elkweed, frasera, giant frasera, monument plant |
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Habit | Herbs monocarpic, 5–20 dm, glabrous or stems and leaves puberulent. |
Stems | 1. |
Leaf | blades not white-margined; basal spatulate or oblanceolate to elliptic-obovate, 7–50 × 1–15 cm, apex rounded to acute; cauline leaves whorled, blade oblong-lanceolate. |
Inflorescences | elongate, open proximally, ± dense distally. |
Flowers | calyx 10–25 mm; corolla pale yellowish green, purple-dotted, occasionally suffused with purple distally, 12–25 mm, lobes elliptic-oblong to obovate, apex [obtuse or] acute to short-acuminate; androecial corona scales 7–9 mm, deeply multicleft; style slender, distinct; nectaries and foveae 2 per corolla lobe, foveae narrowly elliptic, opening directly adaxial to nectary, each opening with a ± even fringe all around, the pair opening into a green but not rimmed area on the corolla surface. |
2n | = 78. |
Frasera speciosa |
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Phenology | Flowering summer. |
Habitat | Open woods, montane to subalpine meadows. |
Elevation | 1500–3500 m. (4900–11500 ft.) |
Distribution |
AZ; CA; CO; ID; MT; NM; NV; OR; SD; TX; UT; WA; WY; Mexico (Nuevo León, Tamaulipas)
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Discussion | Swertia radiata var. maderensis Henrickson, endemic to Mexico, is conspecific with Frasera speciosa, but the necessary combination in Frasera has not been published. If that is done, our material will become var. speciosa. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 14. |
Parent taxa | Gentianaceae > Frasera |
Sibling taxa | |
Synonyms | F. macrophylla, Swertia radiata, Swertia radiata var. macrophylla, Tesseranthium radiatum, T. speciosum |
Name authority | Douglas ex Grisebach in W. J. Hooker: Fl. Bor.-Amer. 2: 66, plate 153. (1837) |
Web links |