Difference between revisions of "Euphrasia oakesii"
Monogr. Euphrasia, 142, plate 4, figs. 211–215; plate 12, fig. 6. 1896.
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| − | |distribution= | + | |distribution=Que.;Maine;N.H. |
|discussion=<p>Varieties 2 (2 in the flora).</p> | |discussion=<p>Varieties 2 (2 in the flora).</p> | ||
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|family=Orobanchaceae | |family=Orobanchaceae | ||
| − | |distribution= | + | |distribution=Que.;Maine;N.H. |
|reference=None | |reference=None | ||
|publication title=Monogr. Euphrasia, | |publication title=Monogr. Euphrasia, | ||
|publication year=1896 | |publication year=1896 | ||
|special status=Endemic | |special status=Endemic | ||
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|genus=Euphrasia | |genus=Euphrasia | ||
|species=Euphrasia oakesii | |species=Euphrasia oakesii | ||
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Latest revision as of 18:18, 6 November 2020
Stems simple, sometimes branched, to 8(–12) cm; branches 1 or 2 pairs, from basal cauline nodes; cauline internode lengths 2–3 times subtending leaves. Leaves: blade obovate or orbiculate, 2–6(–8) mm, base cuneate, margins incised-crenate to incised-dentate, teeth 1–3(or 4) pairs, apices obtuse or acute. Inflorescences capitate, beginning at node 4 or 5; proximal internode lengths 0.5–1(–1.5) times bracts; bracts green or with slight bronze tinge or suffused with purple adaxially especially near margins, broader than leaves, ovate to obovate, length not more than 2 times width, 3–7 mm, base cuneate, surfaces hirsute and hairs eglandular, teeth 2–4 pairs, as long as wide, apices obtuse or acute, sinuses between teeth rounded or acute. Flowers: calyx lobes falcate, apex obtuse; corolla brownish purple, purple, or lilac with darker lines, abaxial side of tube and base of abaxial lip sometimes yellow, 3–4 mm, lips equal. Capsules obovate or broadly elliptic, 4–4.5 mm, apex emarginate.
Distribution
Que., Maine, N.H.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Corollas purple or lilac with darker lines; bracts adaxially suffused with purple especially near margins; leaf teeth apices obtuse, sinuses between teeth rounded. | Euphrasia oakesii var. oakesii |
| 1 | Corollas brownish purple; bracts green or adaxially slightly bronze tinged; leaf teeth apices acute, sinuses between teeth acute. | Euphrasia oakesii var. williamsii |