familyOrobanchaceae
genusEuphrasia
speciesEuphrasia arctica
subspeciesEuphrasia arctica subsp. borealis
Euphrasia arctica subsp. borealis
Bot. J. Linn. Soc. 64: 358. 1971.
Common names: Boreal eyebright
Basionym: Euphrasia rostkoviana Hayne forma borealis F. Townsend Bot. Exch. Club Brit. Isles Rep. 1: 307. 1891
Synonyms: E. ×aequalis Callen E. borealis (F. Townsend) Wettstein E. ×vestita Callen
Stems: base erect; branches 1–5 (or 6) pairs, usually straight. Inflorescences: bract surfaces hairy, hairs glandular and eglandular bristles, teeth much longer than wide. Flowers: corolla 6–8 (–10) mm. 2n = 44 (Europe).
Phenology: Flowering early summer–fall.
Habitat: Meadows, pastures, roadsides, dunes, wood margins, scrub, grassy places, rocky shorelines, open, moist calcareous barrens.
Elevation: 0–300 m.
Distribution
Greenland, B.C., N.B., Nfld. and Labr., N.S., Ont., P.E.I., Que., Maine, Europe (British Isles), Europe (Norway), Atlantic Islands (Iceland)
Discussion
Selected References
None.
Lower Taxa
None.
"broader" is not a number.
... more about "Euphrasia arctica subsp. borealis"
lilac +
emarginate +
lilac +
cucullate +
gray +
hypogynous +
unequal +
erect +
ovate +
purplish;green +
not 2+ +
absent +
absent +
straight +
symmetric +
not accrescent +
septicidal +
oblong;elliptic or obovate +
2-4 times subtending leaves +
Boreal eyebright +
bilabiate +
curved +
straight +
absent +
glabrous +
bisexual +
eglandular +
Meadows, pastures, roadsides, dunes, wood margins, scrub, grassy places, rocky shorelines, open, moist calcareous barrens. +
eglandular +
pubescent +
subcapitate +
simple +
opposite +
deciduous +
cauline +
absent +
triangular +
serrate +
parietal +
axile +
superior +
anatropous +
campylotropous-like +
absent +
hypogynous +
connate +
absent +
nearly +
2-carpellate +
Bot. J. Linn. Soc. +
1971 +
grayish +
fusiform +
connate +
diffuse +
didynamous +
adnate +
subequal +
equal +
absent +
erect +
hairy +
not fleshy +
capitate +
absent +
setose;glabrous +
Euphrasia arctica subsp. borealis +
Euphrasia arctica +
subspecies +
much longer than wide +
violet +
annual +
hemiparasitic +
fleshy +
absent +