familyRanunculaceae
genusRanunculus
subgenusRanunculus subg. Ranunculus
sectionRanunculus sect. Ranunculus
speciesRanunculus acriformis

Ranunculus acriformis

A. Gray

Proc. Amer. Acad. Arts 21: 374. 1886.

Alan T. Whittemore
Endemic
Treatment appears in FNA Volume 3.

Stems erect, not rooting nodally, hirsute or strigose, base not bulbous. Roots never tuberous, sometimes thick and ± fleshy proximally. Basal leaf-blades broadly ovate to cordate or sometimes reniform in outline, deeply 3-divided or occasionally 3-foliolate, 2.2-6 × 2.5-7.7 (-10) cm, divisions 1-2× deeply parted or dissected, ultimate segments linear to broadly linear, margins entire (occasionally a lobe reduced to large tooth), apex acute or rounded-acute. Flowers: receptacle glabrous; sepals spreading or variously reflexed, 4-6 × 2-4 mm, appressed-hirsute; petals 5 (-10), yellow, 7-13 × 4-10 mm. Heads of achenes hemispheric or globose, 5-8 × 6-8 (-10) mm; achenes 2.2-3.4 × 2-3 mm, glabrous, margin forming narrow rib 0.1-0.2 mm wide; beak persistent, lanceolate, strongly curved, 0.4-1.6 mm.

Distribution

Colo., Idaho, Mont., Utah, Wyo.

Discussion

Varieties 3

Selected References

None.

Lower Taxa

Key

1 Sepals spreading, or reflexed from base, pubescence of appressed hairs; Wyoming, Colorado. Ranunculus acriformis var. acriformis
1 Sepals reflexed 1–3 mm above base, pubescence of spreading hairs; Wyoming, Idaho, Montana, Utah. > 2
2 Beak of achene 1.2–1.6mm; receptacle hemispheric to spheric; Utah to Idaho and Montana. Ranunculus acriformis var. montanensis
2 Beak of achene 0.4–1mm; receptacle obpyriform to cylindric; Utah. Ranunculus acriformis var. aestivalis

"high" is not a number.

... more about "Ranunculus acriformis"
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Achene body architecture or shape
discoid +
Achene body length
not prolonged +
Achene body shape
flattened +
Achene body width or width
3-15 times as wide as thick +
Achene length
0.22 cm2.2 mm <br />0.0022 m <br /> (0.34 cm3.4 mm <br />0.0034 m <br />) +
Achene pubescence
glabrous +
Achene width
2mm;3mm +
Anther dehiscence
dehiscing +
Apex shape
rounded-acute +  and acute +
Author
Alan T. Whittemore +
Authority
A. Gray +
Basal leaf-blade architecture
3-foliolate +
Basal leaf-blade atypical width
7.7 cm77 mm <br />0.077 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Basal leaf-blade length
2.2 cm22 mm <br />0.022 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Basal leaf-blade shape
3-divided (Reniform) +
Basal leaf-blade width
2.5 cm25 mm <br />0.025 m <br /> (7.7 cm77 mm <br />0.077 m <br />) +
Basal leaf architecture
compound +
Basal leaf shape
parted +
Base architecture
not bulbous +
Base shape
cuneate +, truncate +  and cordate +
Beak course
curved +
Beak duration
persistent +
Beak height or length or size
much shorter +
Beak position or structure subtype
terminal +
Beak presence
absent +
Beak shape
lanceolate +
Beak some measurement
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.16 cm1.6 mm <br />0.0016 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 +
Cauline leaf architecture
compound +
Cauline leaf arrangement
alternate +
Cauline leaf shape
parted +
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
Colo. +, Idaho +, Mont. +, Utah +  and Wyo. +
Division shape
dissected +  and parted +
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 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 +
Head atypical width
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Head length
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Head shape
globose;hemispheric +
Head width
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 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
petiolate +
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
entire +
Margin fusion
free +
Margin position
low +
Margin shape
toothed +
Margin width
0.1mm;0.2mm +
Nectary presence
absent +
Nectary scale fixation
attached +
Nectary scale fusion
free +
Nectary scale pubescence
glabrous +
Number of lower taxa
3 +
Ovule quantity
1 +
Perianth position
hypogynous +
Petal atypical quantity
5 (10) +
Petal coloration
yellow +
Petal development
developed +
Petal fusion
distinct +
Petal length
7mm;13mm +
Petal presence
absent +
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
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Petiole architecture or shape
sheathing +
Petiole presence
absent +
Pistil architecture
simple +
Pistil quantity
4 +  and 250 +
Publication title
Proc. Amer. Acad. Arts +
Publication year
1886 +
Receptacle pubescence
glabrous +
Reference
None +
Rhizome architecture
tuberous +
Rib size or width
narrow +
Ridge size or width
narrow +
Root architecture
tuberous +
Root position
nodal +  and basal +
Root texture
fleshy +
Root width
thick +
Seed architecture
not arillate +  and stalked +
Seed quantity
1;many +
Segment shape
parted +  and 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 orientation
reflexed +  and spreading +
Sepal pubescence
appressed-hirsute +
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
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Side architecture
veined +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V3/V3 289.xml +
Special status
Endemic +
Stamen fusion
distinct +
Stamen quantity
(5-)10-many +
Staminode presence
absent +
Stem-base architecture
bulbous +
Stem architecture
rooting +
Stem orientation
erect +
Stem pubescence
strigose +  and hirsute +
Stipule presence
absent +
Stolon architecture
tuberous +
Style duration
persistent +
Style presence
absent +
Synonyms
Ranunculus sect. Chrysanthe +
Taxon family
Ranunculaceae +
Taxon name
Ranunculus acriformis +
Taxon parent
Ranunculus sect. Ranunculus +
Taxon rank
species +
Ultimate segment arrangement or course or shape
linear +
Ultimate segment arrangement or shape or course
linear to broadly +
Volume
Volume 3 +
Wall relief
Not ornamented (?) +
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
glabrous +  and hispid +
Whole organism texture
herbaceous +  and woody +
Wing height
high +
Wing size or width
narrow +
X chromosome quantity
8 +  and 7 +