Difference between revisions of "Frasera albomarginata"
Botany (Fortieth Parallel), 280. 1871.
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|special status=Endemic | |special status=Endemic | ||
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|genus=Frasera | |genus=Frasera | ||
|species=Frasera albomarginata | |species=Frasera albomarginata | ||
Latest revision as of 13:16, 24 November 2024
Herbs perennial, (1–)2–6 dm, glabrous. Stems 1–few. Leaf blades white-margined; basal oblanceolate, 2–10 × 0.5–1 cm; cauline leaves whorled at least proximally on main stem, usually opposite on branches, distal blades linear-lanceolate. Inflorescences diffuse, often branching at or near base of main stem. Flowers: calyx (2–)5–12 mm; corolla greenish white, often purple-dotted, 8–14 mm, lobes elliptic-obovate, apex abruptly acuminate; androecial corona a fringe, sometimes scarcely developed; style slender, distinct; nectaries and foveae 1 per corolla lobe, foveae opening distal to nectary, into a differentiated area on the corolla surface that is proximally oblong with a raised rim fringed ± 1/2 its height, distally wider with rim fringed to base.
Distribution
w United States.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Inflorescence branches and calyx lobes glabrous; distal end of differentiated area on corolla lobes cordate to deeply 2-lobed. | Frasera albomarginata var. albomarginata |
| 1 | Inflorescence branches and calyx lobes puberulent; distal end of differentiated area on corolla lobes rounded, truncate, or shallowly notched. | Frasera albomarginata var. induta |