familyRanunculaceae
genusRanunculus
subgenusRanunculus subg. Ranunculus
sectionRanunculus sect. Flammula
speciesRanunculus oresterus

Ranunculus oresterus

L. D. Benson

Amer. J. Bot. 26: 555. 1939.

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

Stems erect or ascending, not rooting nodally, glabrous. Roots not thickened basally, canescent. Proximal cauline leaf-blades narrowly elliptic to linear, 2.5-4.8 × 0.2-0.9 cm, base narrowly acuminate, margins entire, apex acute to acuminate. Inflorescences: bracts lanceolate to linear. Flowers: receptacle glabrous; sepals 5, spreading or reflexed from base, 3-5 × 1-2 mm, glabrous; petals 5, 4-6 × 1-2 mm; nectary scales glabrous. Heads of achenes hemispheric, 2-4 × 3-5 mm; achenes 1-1.4 × 0.8 mm, glabrous; beak subulate, straight, 0.2-0.4 mm.


Phenology: Flowering spring (May).
Habitat: In moist meadows
Elevation: 1200-1700 m

Distribution

V3 252-distribution-map.gif

Idaho, Oreg.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Ranunculus oresterus"
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Achene body length
not prolonged +
Achene body shape
globose-lenticular +  and globose +
Achene body width or width
1-2 times as wide as thick +
Achene length
0.1 cm1 mm <br />0.001 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
Achene pubescence
glabrous +
Achene wall architecture or pubescence or relief
smooth +
Achene wall relief
not ornamented +
Achene wall width
thick +
Achene width
0.8 +
Anther dehiscence
dehiscing +
Apex shape
acute +  and acuminate +
Author
Alan T. Whittemore +
Authority
L. D. Benson +
Base shape
acuminate +
Basionyms
Ranunculus subg. Flammula +
Beak course
straight +
Beak height or length or size
much shorter +
Beak position or structure subtype
terminal +
Beak presence
absent +
Beak shape
subulate +
Beak some measurement
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
Blade architecture or shape
undivided +
Bract architecture or shape
leaflike +
Bract presence
absent +
Bract shape
lanceolate;linear +
Bract size
large +  and small +
Bracteole architecture
sepaloid +
Bracteole presence
absent +
Capsule arrangement
aggregated +
Capsule shape
globose;cylindric +
Caudex architecture
tuberous +
Cauline leaf arrangement
alternate +
Cyme architecture
1-15(-40)-flowered +
Cyme some measurement
0 cm0 mm <br />0 m <br /> (25 cm250 mm <br />0.25 m <br />) +
Distal cauline leaf architecture
simple +
Distal cauline leaf shape
unlobed +
Distal leaf architecture
sessile +
Distribution
Idaho +  and Oreg. +
Elevation
1200-1700 m +
Embryo size
small +
Endosperm quantity
abundant +
Filament shape
filiform +
Flap fusion
free +
Flap height or length or size
shorter +
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 +
Habitat
In moist meadows +
Head length
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Head shape
hemispheric +
Head width
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 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 +, compound +  and simple +
Leaf arrangement
whorled +, opposite +  and alternate +
Leaf position
cauline +, all +  and basal +
Leaf shape
parted +  and lobed +
Margin architecture
palmate +  and pinnate +
Margin architecture or shape
entire +
Margin fusion
free +
Margin shape
lobed;entire;toothed;entire +
Nectary presence
absent +
Nectary scale fixation
attached +
Nectary scale height or length or size
shorter +
Nectary scale orientation
projecting +
Nectary scale pubescence
glabrous +
Number of lower taxa
0 +
Ovule quantity
1 +
Perianth position
hypogynous +
Petal atypical quantity
22 (150) +
Petal coloration
yellow +
Petal fusion
distinct +
Petal length
4mm;6mm +
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
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Petiole architecture or shape
sheathing +
Petiole presence
absent +
Phenology
Flowering spring (May). +
Pistil architecture
simple +
Pistil quantity
4 +  and 250 +
Proximal cauline leaf-blade arrangement or shape
elliptic to linear +  and elliptic +
Proximal cauline leaf-blade length
2.5 cm25 mm <br />0.025 m <br /> (4.8 cm48 mm <br />0.048 m <br />) +
Proximal cauline leaf-blade width
0.2 cm2 mm <br />0.002 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Proximal cauline leaf architecture
petiolate +
Publication title
Amer. J. Bot. +
Publication year
1939 +
Receptacle pubescence
glabrous +
Reference
None +
Rhizome architecture
tuberous +
Ridge position
low +
Ridge size or width
narrow +
Root architecture
tuberous +
Root position
nodal +  and basal +
Root pubescence
canescent +
Root size or width
thickened +
Seed architecture
not arillate +  and stalked +
Seed quantity
1;many +
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
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Sepal orientation
reflexed +  and spreading +
Sepal pubescence
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
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 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 252.xml +
Special status
Endemic +
Stamen fusion
distinct +
Stamen quantity
(5-)10-many +
Staminode presence
absent +
Stem-base architecture
bulbous +
Stem architecture
rooting +
Stem growth form or orientation
prostrate +  and decumbent +
Stem orientation
ascending +  and erect +
Stem pubescence
glabrous +
Stipule presence
absent +
Stolon architecture
tuberous +
Style duration
persistent +
Style presence
absent +
Taxon family
Ranunculaceae +
Taxon name
Ranunculus oresterus +
Taxon parent
Ranunculus sect. Flammula +
Taxon rank
species +
Volume
Volume 3 +
Whole organism architecture
rhizomatous +
Whole organism duration
perennial +  and annual +
Whole organism growth form
plant +
Whole organism position
low +
Whole organism pubescence
pilose +  and glabrous +
Whole organism texture
herbaceous +  and woody +
X chromosome quantity
8 +  and 7 +