familyRanunculaceae
genusRanunculus
subgenusRanunculus subg. Ranunculus
sectionRanunculus sect. Epirotes
speciesRanunculus nivalis

Ranunculus nivalis

Linnaeus

Sp. Pl. 1: 553. 1753.

Alan T. Whittemore
Common names: Renoncule nivale
Treatment appears in FNA Volume 3.

Stems erect from short caudices, 4-22 cm, glabrous or sparsely pilose, each with 1 flower. Roots slender, 0.4-0.8 mm thick. Basal leaves persistent or deciduous, blades reniform, 3-parted, 0.6-2 × 1.3-3 cm, at least lateral segments again lobed or margins toothed, base truncate or cordate, apices of segments rounded-apiculate. Flowers: pedicels glabrous or brown-pilose; receptacle glabrous; sepals 6-8 × 3-5 mm, abaxially densely brown-hispid; petals 5 (-6), 8-11 × 7-12 mm; nectary scale glabrous. Heads of achenes cylindric or ovoid-cylindric, 7-14 × 5-6 mm; achenes 1.5-2.2 × 1.2-1.6 mm, glabrous; beak slender, straight, 1-2 mm. 2n = 48.


Phenology: Flowering late spring–summer (Jun–Aug).
Habitat: Wet or dry alpine meadows, often around late snowbeds, cliffs, and streamsides
Elevation: 0-1300 m

Distribution

V3 22-distribution-map.gif

Greenland, Alta., B.C., Nfld. and Labr. (Nfld.), N.W.T., Que., Yukon, Alaska, Eurasia

Discussion

Selected References

None.

Lower Taxa

None.
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2n chromosome quantity
48 +
Achene body length
not prolonged +
Achene body shape
asymmetrically thick-lenticular +  and compressed-globose +
Achene body width or width
1.2-2 times as wide as thick +
Achene length
0.15 cm1.5 mm <br />0.0015 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
Achene pubescence
glabrous +
Achene width
1.2mm;1.6mm +
Anther dehiscence
dehiscing +
Apex architecture or shape
rounded-apiculate +
Author
Alan T. Whittemore +
Authority
Linnaeus +
Basal leaf architecture
petiolate +
Basal leaf duration
deciduous +  and persistent +
Base shape
cordate +  and truncate +
Basionyms
Ranunculus sect. Marsypadenium +
Beak course
straight +
Beak height or length or size
much shorter +
Beak position or structure subtype
terminal +
Beak presence
absent +
Beak size
slender +
Beak some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Blade architecture
compound +
Blade length
0.6 cm6 mm <br />0.006 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Blade shape
3-parted;reniform +
Blade width
1.3 cm13 mm <br />0.013 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Bract architecture or shape
leaflike +
Bract presence
absent +
Bract size
large +  and small +
Bracteole architecture
sepaloid +
Bracteole presence
absent +
Capsule arrangement
aggregated +
Capsule shape
globose;cylindric +
Caudex architecture
tuberous +
Caudex height or length or size
short +
Cauline leaf architecture
sometimes;sessile;nearly sessile +
Cauline leaf arrangement
alternate +
Common name
Renoncule nivale +
Cyme architecture
1-50-flowered +
Cyme some measurement
0 cm0 mm <br />0 m <br /> (25 cm250 mm <br />0.25 m <br />) +
Distal leaf architecture
sessile +
Distribution
Greenland +, Alta. +, B.C. +, Nfld. and Labr. (Nfld.) +, N.W.T. +, Que. +, Yukon +, Alaska +  and Eurasia +
Elevation
0-1300 m +
Embryo size
small +
Endosperm quantity
abundant +
Filament shape
filiform +
Flower architecture
pedicellate +
Flower architecture or arrangement or growth form
solitary +
Flower architecture or shape
symmetric +
Flower prominence
showy +  and inconspicuous +
Flower quantity
1 +
Flower reproduction
bisexual +
Fruit atypical quantity
5 (6) +
Fruit quantity
3;5 +
Fruits achene architecture
sessile +  and aggregate +
Fruits achene architecture or structure in adjective form
1-locular +
Fruits achene shape
cylindric;obovoid;cylindric;obovoid;globose;lenticular;discoid +
Habitat
Wet or dry alpine meadows, often around late snowbeds, cliffs, and streamsides +
Head length
0.7 cm7 mm <br />0.007 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
Head shape
ovoid-cylindric;cylindric +
Head width
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Illustration copyright
Flora of North America Association +
Illustrator
John Myers +
Inflorescence position
axillary +  and terminal +
Leaf-blade architecture
compound +
Leaf-blade architecture or shape
undivided +
Leaf-blade shape
reniform +  and linear +
Leaf architecture
compound +  and simple +
Leaf arrangement
whorled +, opposite +  and alternate +
Leaf position
cauline +  and basal +
Leaf shape
parted +  and lobed +
Margin architecture
palmate +  and pinnate +
Margin architecture or shape
serrate +
Margin fusion
free +
Margin prominence
inconspicuous +
Margin shape
toothed +
Nectary presence
absent +
Nectary scale fusion
joined +
Nectary scale pubescence
glabrous +
Number of lower taxa
0 +
Ovule quantity
1 +
Pedicel pubescence
brown-pilose +  and glabrous +
Perianth position
hypogynous +
Petal atypical quantity
5 (6) +
Petal coloration
yellow +
Petal fusion
distinct +
Petal length
8mm;11mm +
Petal prominence
conspicuous +
Petal quantity
5 +
Petal shape
linear +  and orbiculate +
Petal size
reduced +
Petal some measurement
0.1 cm1 mm <br />0.001 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
Petal width
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Petiole architecture or shape
sheathing +
Petiole height or length or size
shorter +
Petiole presence
absent +
Phenology
Flowering late spring–summer (Jun–Aug). +
Pistil architecture
simple +
Pistil quantity
4 +  and 250 +
Publication title
Sp. Pl. +
Publication year
1753 +
Receptacle pubescence
glabrous +
Reference
None +
Rhizome architecture
tuberous +
Ridge position
low +
Ridge size or width
narrow +
Root architecture
tuberous +
Root position
basal +
Root size
slender +
Root thickness
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
Seed architecture
not arillate +  and stalked +
Seed quantity
1;many +
Segment architecture or shape
again +  and undivided +
Segment position
lateral +
Segment shape
lobed +
Sepal architecture
petaloid +
Sepal architecture or shape
spurred +
Sepal arrangement
imbricate +
Sepal atypical quantity
6 (20) +
Sepal coloration
white;yellow;white;yellow;purple;sometimes;green +
Sepal duration
deciduous +
Sepal fusion
distinct +
Sepal length
? (?) +
Sepal pubescence
brown-hispid +
Sepal quantity
5 +
Sepal shape
oblong +  and elliptic ovate or lanceolate +
Sepal some measurement
0.1 cm1 mm <br />0.001 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Sepal width
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Side architecture
veined +
Side quantity
3 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V3/V3 22.xml +
Stamen fusion
distinct +
Stamen quantity
(5-)10-many +
Staminode presence
absent +
Stem-base architecture
bulbous +
Stem architecture
not bulbous-based +
Stem orientation
erect +
Stem pubescence
pilose +  and glabrous +
Stem some measurement
4 cm40 mm <br />0.04 m <br /> (22 cm220 mm <br />0.22 m <br />) +
Stipule presence
absent +
Stolon architecture
tuberous +
Style duration
persistent +
Style presence
absent +
Taxon family
Ranunculaceae +
Taxon name
Ranunculus nivalis +
Taxon parent
Ranunculus sect. Epirotes +
Taxon rank
species +
Volume
Volume 3 +
Wall architecture or pubescence or relief
smooth +
Wall width
thick +
Whole organism architecture
rhizomatous +
Whole organism duration
perennial +  and annual +
Whole organism growth form
plant +
Whole organism position
low +
Whole organism pubescence
pubescent +, pilose +, sometimes +  and glabrous +
Whole organism texture
herbaceous +  and woody +
X chromosome quantity
8 +  and 7 +