Euphrasia arctica subsp. arctica

Treatment appears in FNA Volume 17. Treatment on page 496. Mentioned on page 495.

Stems: base flexuous or decumbent; branches 1 or 2 (–5) pairs, usually flexuous. Inflorescences: bract surfaces glabrous or hairy, hairs eglandular bristles, teeth not much longer than wide. Flowers: corolla 7–11 (–13) mm.


Phenology: Flowering early summer–fall.
Habitat: Europe (Faroe, Orkney, and Shetland islands)..
Elevation: 0–300 m.

Distribution

Nfld. and Labr. (Nfld.), Ont., Europe (Faroe), Europe (Orkney), Europe (and Shetland islands)

Discussion

Subspecies arctica is represented in continental North America by as yet only a few collections (M. J. Oldham 29317, TRTE; M. J. Oldham, 32017, MICH; M. O. Malte N943/29, CAN).

Selected References

None.

Lower Taxa

None.

"broader" is not a number.

1.1 cm11 mm <br />0.011 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
Truncate (?) +  and Retuse (?) +
Galina Gussarova +
Lange ex Rostrup +
flexuous +
0.3 cm3 mm <br />0.003 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
not leathery +  and fleshy +
alternate +  and subopposite +
0.9 cm9 mm <br />0.009 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
purplish;green +
deltate +  and ovate +
hairy +  and glabrous +
2 +  and 1 +
tubular +  and flattened +
not accrescent +
oblong;elliptic or obovate +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
2-4 times subtending leaves +
1.1 cm11 mm <br />0.011 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
lilac +  and white +
0.7 cm7 mm <br />0.007 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
Nfld. and Labr. (Nfld.) +, Ont. +, Europe (Faroe) +, Europe (Orkney) +  and Europe (and Shetland islands) +
0–300 m. +
2 +  and 1 +
indehiscent +, septicidal +, loculicidal +  and dehiscence +
Europe (Faroe, Orkney, and Shetland islands).. +
axillary +  and terminal +
deciduous +
triangular +
short-ciliate +  and glabrous +
incised +, dentate +  and crenate +
tenuinucellate +  and unitegmic +
campylotropous-like +
Flowering early summer–fall. +
Bot. Tidsskr. +
10 +  and 18 +
fusiform +
2-celled +  and 1-celled +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
subequal +
branched +  and simple +
aerial +  and subterranean +
0 cm0 mm <br />0 m <br /> (25 cm250 mm <br />0.25 m <br />) +
not fleshy +
setose;glabrous +
Euphrasia arctica subsp. arctica +
Euphrasia arctica +
subspecies +
not much longer than wide +
3 +  and 6 +