familyRanunculaceae
genusRanunculus
subgenusRanunculus subg. Ranunculus
sectionRanunculus sect. Epirotes
speciesRanunculus eschscholtzii
varietyRanunculus eschscholtzii var. trisectus

Ranunculus eschscholtzii var. trisectus

(B. L. Robinson) L. D. Benson

Amer. J. Bot. 23: 170. 1936.

Alan T. Whittemore
Endemic
Basionym: Ranunculus trisectus Eastwood ex B. L. Robinson Proc. Amer. Acad. Arts 45: 394. 1910
Treatment appears in FNA Volume 3.

Stems: caudex 2-5 cm, sometimes sheathed with persistent leaf-bases and sometimes with few or none. Basal leaf-blades cordate or semicircular, 3-parted, 0.8-2.1 × 1.5-3.5 cm, all segments again 1-2×-lobed or parted, base truncate or cordate, at least some of middle segments lobed and toothed or 2×-lobed, ultimate segments and sinuses rounded to rounded-acute. Flowers: petals 7-11 mm.


Phenology: Flowering summer (Jul–Aug).
Habitat: Open rocky slopes and meadows
Elevation: 900-3500 m

Distribution

V3 1084-distribution-map.gif

Idaho, Oreg., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.
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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
0.14 cm1.4 mm <br />0.0014 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Achene pubescence
pubescent +  and glabrous +
Achene width
1mm;1.6mm +
Anther dehiscence
dehiscing +
Apex shape
rounded +
Author
Alan T. Whittemore +
Authority
(B. L. Robinson) L. D. Benson +
Basal leaf-blade length
0.8 cm8 mm <br />0.008 m <br /> (2.1 cm21 mm <br />0.021 m <br />) +
Basal leaf-blade shape
3-parted (Semicircular) +
Basal leaf-blade width
1.5 cm15 mm <br />0.015 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
Basal leaf architecture
petiolate +
Basal leaf duration
persistent +
Base shape
2×-lobed +, toothed +, lobed +, cordate +  and truncate +
Basionyms
Ranunculus trisectus +
Beak course
straight +
Beak height or length or size
much shorter +
Beak position or structure subtype
terminal +
Beak presence
absent +
Beak shape
subulate +  and lanceolate +
Beak some measurement
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
Blade architecture
compound +
Blade length
0.5 cm5 mm <br />0.005 m <br /> (4.1 cm41 mm <br />0.041 m <br />) +
Blade shape
cordate;obovate or broadly oblong lobed or 3-parted +
Blade width
0.8 cm8 mm <br />0.008 m <br /> (3.7 cm37 mm <br />0.037 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
sheathed +
Caudex height or length or size
short +
Caudex length or size
long +
Caudex quantity
few +
Caudex some measurement
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Cauline leaf architecture
sometimes;sessile;nearly sessile +
Cauline leaf arrangement
alternate +
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
Idaho +, Oreg. +  and Wyo. +
Elevation
900-3500 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;3 +
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
Open rocky slopes and meadows +
Head length
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Head shape
ovoid;cylindric +
Head width
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Illustration copyright
Flora of North America Association +
Illustrator
John Myers +
Inflorescence position
axillary +  and terminal +
Leaf-base duration
persistent +
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
fringed;entire;crenate;entire +
Nectary presence
absent +
Nectary scale fusion
joined +
Nectary scale pubescence
glabrous +
Number of lower taxa
0 +
Ovule quantity
1 +
Pedicel pubescence
glabrous +
Perianth position
hypogynous +
Petal atypical quantity
22 (150) +
Petal coloration
yellow +
Petal fusion
distinct +
Petal length
6mm;16mm +
Petal prominence
conspicuous +
Petal quantity
5;8 +
Petal shape
linear +  and orbiculate +
Petal size
reduced +
Petal some measurement
0.7 cm7 mm <br />0.007 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
Petal width
0.4 cm4 mm <br />0.004 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
Petiole architecture or shape
sheathing +
Petiole height or length or size
shorter +
Petiole presence
absent +
Phenology
Flowering summer (Jul–Aug). +
Pistil architecture
simple +
Pistil quantity
4 +  and 250 +
Publication title
Amer. J. Bot. +
Publication year
1936 +
Receptacle pubescence
pilose +  and 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 /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
Seed architecture
not arillate +  and stalked +
Seed quantity
1;many +
Segment architecture or shape
again +  and undivided +
Segment shape
parted +  and 1-2×-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
pilose +  and glabrous +
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 /> (0.6 cm6 mm <br />0.006 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 1084.xml +
Special status
Endemic +
Stamen fusion
distinct +
Stamen quantity
(5-)10-many +
Staminode presence
absent +
Stem-base architecture
bulbous +
Stem architecture
not bulbous-based +
Stem orientation
decumbent +  and erect +
Stem pubescence
glabrous +
Stem some measurement
4 cm40 mm <br />0.04 m <br /> (27 cm270 mm <br />0.27 m <br />) +
Stipule presence
absent +
Stolon architecture
tuberous +
Style duration
persistent +
Style presence
absent +
Taxon family
Ranunculaceae +
Taxon name
Ranunculus eschscholtzii var. trisectus +
Taxon parent
Ranunculus eschscholtzii +
Taxon rank
variety +
Ultimate segment shape
Rounded (?) +  and Rounded-acute (?) +
Ultimate sinuse shape
Rounded (Rounded-acute) +
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 +