Rhinanthus minor subsp. groenlandicus

(Chabert) Neuman

Bot. Not. 1905: 257. 1905.

Common names: Arctic yellow rattle rhinanthe du Groenland
Basionym: Rhinanthus groenlandicus Chabert Bull. Herb. Boissier 7: 515. 1899
Synonyms: Alectorolophus groenlandicus (Chabert) Ostenfeld R. arcticus (Sterneck) Pennell R. borealis (Sterneck) Chabert R. minor subsp. borealis (Sterneck) Á. Löve
Treatment appears in FNA Volume 17. Treatment on page 506. Mentioned on page 505.

Stems 13–30 cm, hairy on 2 opposite sides. Leaves: blade bright yellowish green, moreorless oblong, margins coarsely dentate. Bracts longer than calyx, glabrous or puberulent, teeth not bristle-tipped. Corollas 15 mm; throat open; teeth of galea whitish, apex rounded to blunt. 2n = 22.


Phenology: Flowering summer.
Habitat: Meadows, clearings, forests, shores, slopes, sandy or rocky soils, alpine and subalpine habitats, dry hillsides, wet banks, floodplain woods, swamps, edges of lakes, damp roadsides, stream banks, margins of muskeg, calcareous substrates.
Elevation: 0–2100 m.

Distribution

Greenland, Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., Que., Yukon, Alaska, N.H., N.Y., Oreg., Wash., n Europe

Discussion

Reports of subsp. groenlandicus from Maine, Montana, and Vermont appear to be erroneous; the authors have seen no specimens from those states.

Selected References

None.

Lower Taxa

None.
obtuse +, ovate +  and galeate +
rounded +  and blunt +
Gordon C. Tucker +  and Bradley M. Daugherty +
(Chabert) Neuman +
Rhinanthus groenlandicus +
green +  and bright yellowish +
not leathery +, not fleshy +  and more or less fleshy +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
puberulent +  and glabrous +
triangular +
puberulent;scabrid;puberulent;scabrid;glabrous +
ovate +  and suborbiculate +
accrescent +
1.3 cm13 mm <br />0.013 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Arctic yellow rattle +  and rhinanthe du Groenland +
yellowish +  and yellow +
campanulate +  and compressed +
15 cm150 mm <br />0.15 m <br /> (?) +
Greenland +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. +, N.W.T. +, N.S. +, Nunavut +, Ont. +, Que. +, Yukon +, Alaska +, N.H. +, N.Y. +, Oreg. +, Wash. +  and n Europe +
0–2100 m. +
2 +  and 1 +
indehiscent +, septicidal +, loculicidal +  and dehiscence +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Meadows, clearings, forests, shores, slopes, sandy or rocky soils, alpine and subalpine habitats, dry hillsides, wet banks, floodplain woods, swamps, edges of lakes, damp roadsides, stream banks, margins of muskeg, calcareous substrates. +
axillary +  and terminal +
deciduous +
deltate +
tenuinucellate +  and unitegmic +
campylotropous-like +
Flowering summer. +
2 +  and 10 +
flattened +  and kidney--shaped +
4 cm40 mm <br />0.04 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Weedy +  and Illustrated +
subequal +
branched +  and simple +
20 cm200 mm <br />0.2 m <br /> (55 cm550 mm <br />0.55 m <br />) +
aerial +  and subterranean +
13 cm130 mm <br />0.13 m <br /> (30 cm300 mm <br />0.3 m <br />) +
not fleshy +
Alectorolophus groenlandicus +, R. arcticus +, R. borealis +  and R. minor subsp. borealis +
Rhinanthus minor subsp. groenlandicus +
Rhinanthus minor +
subspecies +
not bristle-tipped +
straight +