Euphrasia ostenfeldii

(Pugsley) Yeo

Bot. J. Linn. Soc. 64: 359. 1971.

Common names: Ostenfeld’s eyebright
Illustrated
Basionyms: Euphrasia curta var. ostenfeldii Pugsley J. Bot. 71: 308. 1933
Treatment appears in FNA Volume 17. Treatment on page 498. Mentioned on page 489, 494.

Stems simple or branched, to 12 (–15) cm; branches 1–4 (–6) pairs, from middle and distal cauline nodes; cauline internode lengths 0.5–3 (–5) times subtending leaves. Leaves: blade suborbiculate, ovate, or oblong-ovate, 2–10 (–14) mm, base round to cuneate, margins crenate to crenate-serrate, teeth 1–4 (or 5) pairs, apices obtuse to subacute. Inflorescences sparsely spicate, not 4-angled, beginning at node 4–7 (–9); proximal internode lengths 0.8–1.5 (–2.5) times bracts; bracts moreorless strongly flushed purple adaxially or on both surfaces, broader or as broad as leaves, suborbiculate, broadly ovate, or oblong-ovate, length not more than 2 times width, 4–8 (–10) mm, base round, truncate, or broadly cuneate, surfaces moreorless densely hirsute and hairs eglandular, teeth 3–5 pairs, as long as wide, apices subacute to acute. Flowers: corolla white, adaxial lip sometimes lilac, (3.5–) 4.5–6 mm, lips moreorless equal. Capsules elliptic-oblong to oblong, 4–5.5 (–6) mm, apex retuse to emarginate. 2n = 44 (Europe).


Phenology: Flowering summer.
Habitat: Grasslands, dry or barren areas on limestone, stony and sandy places, rock ledges, near sea.
Elevation: 0–400 m.

Distribution

Nfld. and Labr., Ont., Que., Mich., Minn., n Europe

Discussion

Selected References

None.

Lower Taxa

None.

"as-broad-as leaves" is not a number."broader" is not a number."wide" is not a number.

... more about "Euphrasia ostenfeldii"
0.35 cm3.5 mm <br />0.0035 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Galina Gussarova +
(Pugsley) Yeo +
cuneate +, truncate +  and round +
Euphrasia curta var. ostenfeldii +
1 cm10 mm <br />0.01 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
oblong-ovate;ovate;oblong-ovate;ovate;suborbiculate +
0.2 cm2 mm <br />0.002 m <br /> (1 cm10 mm <br />0.01 m <br />) +
not leathery +  and fleshy +
alternate +  and subopposite +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
on both surfaces;flushed purple +
oblong-ovate +  and ovate +
1 +  and 4 +
tubular +  and flattened +
not accrescent +
0.55 cm5.5 mm <br />0.0055 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
elliptic-oblong;oblong +
0.4 cm4 mm <br />0.004 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
0.5-3(-5) times subtending leaves +
Ostenfeld’s eyebright +
Nfld. and Labr. +, Ont. +, Que. +, Mich. +, Minn. +  and n Europe +
0–400 m. +
2 +  and 1 +
indehiscent +, septicidal +, loculicidal +  and dehiscence +
Grasslands, dry or barren areas on limestone, stony and sandy places, rock ledges, near sea. +
axillary +  and terminal +
deciduous +
suborbiculate +
triangular +
short-ciliate +  and glabrous +
crenate +  and crenate-serrate +
tenuinucellate +  and unitegmic +
campylotropous-like +
Flowering summer. +
0.8-1.5(-2.5) times bracts +
Bot. J. Linn. Soc. +
10 +  and 18 +
fusiform +
Illustrated +
subequal +
branched +  and simple +
aerial +  and subterranean +
0 cm0 mm <br />0 m <br /> (12 cm120 mm <br />0.12 m <br />) +
not fleshy +
Euphrasia ostenfeldii +
Euphrasia +
species +
3 +  and 5 +