Euphrasia nemorosa

(Persoon) Wallroth

Annus Bot., 81. 1815.

Common names: Common eyebright euphraise des bois
Introduced
Basionyms: Euphrasia officinalis var. nemorosa Persoon Syn. Pl. 2: 149. 1806
Synonyms: E. canadensis F. Townsend
Treatment appears in FNA Volume 17. Treatment on page 497. Mentioned on page 492, 494, 499.

Stems simple or branched, to 25 (–42) cm; branches 1–7 pairs, from middle or distal cauline nodes; cauline internode lengths 2–3 times subtending leaves. Leaves: blade oval to oblong or ovate, 2–10 mm, margins serrate, teeth 1–5 (or 6) pairs, apices subacute, sometimes aristate. Inflorescences sparsely spicate, not 4-angled, beginning at node (7–) 10–12; bracts green, sometimes purplish adaxially, broader than leaves, oblong to ovate, length not more than 2 times width, 5–8 mm, not glossy, margins ciliate, surfaces glabrous or hirsute and hairs eglandular, teeth 4–6 pairs, longer than wide, apices acute to long-aristate. Flowers: corolla white to lilac, 5–7.5 (–8.5) mm, lips moreorless equal. Capsules narrowly oblong, 4–5.5 mm, apex truncate to retuse. 2n = 44 (England).


Phenology: Flowering early summer–fall.
Habitat: Dry or moist, grassy, gravelly, or sandy places, pastures, roadsides, cliff ledges, wood margins, coastal or inland.
Elevation: 0–1300 m.

Distribution

Introduced; St. Pierre and Miquelon, Alta., B.C., N.B., N.S., Ont., P.E.I., Que., Alaska, Maine, Mich., Minn., N.H., Oreg., Vt., Wash., n, c Europe

Discussion

Selected References

None.

Lower Taxa

None.

"broader" is not a number.

... more about "Euphrasia nemorosa"
Truncate (?) +  and Retuse (?) +
Galina Gussarova +
(Persoon) Wallroth +
Euphrasia officinalis var. nemorosa +
oval;oblong or ovate +
0.2 cm2 mm <br />0.002 m <br /> (1 cm10 mm <br />0.01 m <br />) +
not leathery +  and fleshy +
alternate +  and subopposite +
purplish;green +
oblong +  and ovate +
1 +  and 7 +
tubular +  and flattened +
not accrescent +
0.4 cm4 mm <br />0.004 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
2-3 times subtending leaves +
Common eyebright +  and euphraise des bois +
0.75 cm7.5 mm <br />0.0075 m <br /> (0.85 cm8.5 mm <br />0.0085 m <br />) +
white +  and lilac +
0.5 cm5 mm <br />0.005 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
St. Pierre and Miquelon +, Alta. +, B.C. +, N.B. +, N.S. +, Ont. +, P.E.I. +, Que. +, Alaska +, Maine +, Mich. +, Minn. +, N.H. +, Oreg. +, Vt. +, Wash. +, n +  and c Europe +
0–1300 m. +
2 +  and 1 +
indehiscent +, septicidal +, loculicidal +  and dehiscence +
Dry or moist, grassy, gravelly, or sandy places, pastures, roadsides, cliff ledges, wood margins, coastal or inland. +
axillary +  and terminal +
deciduous +
triangular +
short-ciliate +  and glabrous +
incised +, dentate +  and crenate +
tenuinucellate +  and unitegmic +
campylotropous-like +
Flowering early summer–fall. +
Annus Bot., +
10 +  and 18 +
fusiform +
Introduced +
subequal +
branched +  and simple +
aerial +  and subterranean +
0 cm0 mm <br />0 m <br /> (25 cm250 mm <br />0.25 m <br />) +
not fleshy +
hirsute;glabrous +
E. canadensis +
Euphrasia nemorosa +
Euphrasia +
species +
longer than wide +
4 +  and 6 +