Euphrasia wettsteinii

Gussarova

Bot. Zhurn. (Moscow & Leningrad) 90: 1103. 2005.

Common names: Wettstein’s eyebright
Treatment appears in FNA Volume 17. Treatment on page 501. Mentioned on page 494, 496.

Stems simple or branched, to 20 cm; branches 1 or 2 pairs, from basal cauline nodes; cauline internode lengths 1.5–4 times subtending leaves. Leaves: blade ovate to cuneate-obovate, 2–10 mm, margins crenate-dentate to serrate-dentate, teeth 1 or 2 (–4) pairs, apices obtuse to acute. Inflorescences sparsely spicate, not 4-angled, beginning at node 2–5; proximal internode lengths 2–4 times subtending bracts; bracts green, sometimes purplish adaxially, broader than leaves, broadly ovate, length not more than 2 times width, (2–) 4–13 mm, surfaces glabrous, moderately hirsute, or with bristles on veins and hairs eglandular, teeth 3–6 pairs, as long as or slightly longer than wide, apices subacute to acute. Flowers: calyx lobes straight, apex acute; corolla white, sometimes tinged lilac, 5–7 mm, lips moreorless equal. Capsules elliptic to obovate, 6–8 mm, equal to or slightly longer than calyx, apex emarginate.


Phenology: Flowering summer.
Habitat: Tundra, grassy meadows, rocky and gravelly shores, beaches, stream flood plains.
Elevation: 0–200 m.

Distribution

Greenland, Nfld. and Labr., Nunavut, Ont., Que., Eurasia

Discussion

Euphrasia wettsteinii applies to eglandular populations formerly included by some authors in E. frigida; see 4. E. frigida for details of the lectotypification that fixed the application of E. frigida.

Selected References

None.

Lower Taxa

None.

"broader" is not a number.

... more about "Euphrasia wettsteinii"
Acute (?) +  and Subacute (?) +
Galina Gussarova +
Gussarova +
ovate;cuneate-obovate +
0.2 cm2 mm <br />0.002 m <br /> (1 cm10 mm <br />0.01 m <br />) +
not leathery +  and fleshy +
alternate +  and subopposite +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
purplish;green +
2 +  and 1 +
tubular +  and flattened +
not accrescent +
slightly longer +
elliptic;obovate +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
1.5-4 times subtending leaves +
Wettstein’s eyebright +
tinged lilac +  and white +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Greenland +, Nfld. and Labr. +, Nunavut +, Ont. +, Que. +  and Eurasia +
0–200 m. +
2 +  and 1 +
indehiscent +, septicidal +, loculicidal +  and dehiscence +
Tundra, grassy meadows, rocky and gravelly shores, beaches, stream flood plains. +
axillary +  and terminal +
deciduous +
triangular +
short-ciliate +  and glabrous +
incised +, dentate +  and crenate +
crenate-dentate to serrate-dentate +
tenuinucellate +  and unitegmic +
campylotropous-like +
Flowering summer. +
2-4 times subtending bracts +
Bot. Zhurn. (Moscow & Leningrad) +
10 +  and 18 +
fusiform +
subequal +
branched +  and simple +
aerial +  and subterranean +
0 cm0 mm <br />0 m <br /> (20 cm200 mm <br />0.2 m <br />) +
not fleshy +
hirsute;glabrous +
Euphrasia wettsteinii +
Euphrasia +
species +
slightly longer than wide +
3 +  and 6 +