familyRanunculaceae
genusRanunculus
subgenusRanunculus subg. Ranunculus
sectionRanunculus sect. Flammula
speciesRanunculus bonariensis
varietyRanunculus bonariensis var. trisepalus

Ranunculus bonariensis var. trisepalus

(Gillies ex Hooker & Arnott) Lourteig

Darwiniana 9: 465. 1951.

Alan T. Whittemore
Basionym: Ranunculus trisepalus Gillies ex Hooker & Arnott Bot. Misc. 3: 133. 1834
Synonyms: Ranunculus alveolatus A. M. Carter
Treatment appears in FNA Volume 3.

Stems erect or decumbent, rooting at proximal nodes, glabrous. Roots not thickened basally, glabrous. Proximal cauline leaf-blades elliptic to ovate, 0.8-2.3 × 0.5-1.2 cm, base rounded or obtuse, margins entire to finely denticulate, apex broadly rounded-acute to rounded. Inflorescences: bracts elliptic to ovate. Flowers: receptacle glabrous; sepals 3, spreading or reflexed from base, 1.5-3 × 0.5-2 mm, glabrous; petals 1-3, 1.5-2.5 × 0.5-1 mm; nectary scales glabrous. Heads of achenes globose to ovoid, 2-5 × 2-4 mm; achenes 1.4-1.8 × 1-1.2 mm, smooth, glabrous; beak absent.


Phenology: Flowering spring (Mar–May).
Habitat: Vernal pools and edges of streams
Elevation: 30-1000 m

Distribution

V3 1002-distribution-map.gif

Calif., South America

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Ranunculus bonariensis var. trisepalus"
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Achene architecture or pubescence or relief
smooth +
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
0.14 cm1.4 mm <br />0.0014 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
Achene pubescence
glabrous +
Achene wall architecture or pubescence or relief
smooth +
Achene wall relief
not ornamented +
Achene wall width
thick +
Achene width
1mm;1.2mm +
Anther dehiscence
dehiscing +
Apex shape
broadly rounded-acute +  and rounded +
Author
Alan T. Whittemore +
Authority
(Gillies ex Hooker & Arnott) Lourteig +
Base shape
obtuse +  and rounded +
Basionyms
Ranunculus trisepalus +
Beak course
curved +  and straight +
Beak height or length or size
much shorter +
Beak position or structure subtype
terminal +
Beak presence
absent +
Beak some measurement
0 cm0 mm <br />0 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
Blade architecture or shape
undivided +
Bract architecture or shape
leaflike +
Bract presence
absent +
Bract shape
elliptic;ovate +
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
Calif. +  and South America +
Elevation
30-1000 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
Vernal pools and edges of streams +
Head length
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Head shape
globose;ovoid +
Head width
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 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 fusion
free +
Margin shape
entire;finely denticulate +
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
1.5mm;2.5mm +
Petal prominence
conspicuous +
Petal quantity
1;3 +
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
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Petiole architecture or shape
sheathing +
Petiole presence
absent +
Phenology
Flowering spring (Mar–May). +
Pistil architecture
simple +
Pistil quantity
4 +  and 250 +
Proximal cauline leaf-blade length
0.8 cm8 mm <br />0.008 m <br /> (2.3 cm23 mm <br />0.023 m <br />) +
Proximal cauline leaf-blade shape
Elliptic (Ovate) +
Proximal cauline leaf-blade width
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Proximal cauline leaf architecture
petiolate +
Publication title
Darwiniana +
Publication year
1951 +
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
glabrous +
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
? (?) +
Sepal orientation
reflexed +  and spreading +
Sepal pubescence
glabrous +
Sepal quantity
3 +
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
0.05 cm0.5 mm <br />5.0e-4 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 1002.xml +
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
decumbent +  and erect +
Stem pubescence
glabrous +
Stipule presence
absent +
Stolon architecture
tuberous +
Style duration
persistent +
Style presence
absent +
Synonyms
Ranunculus alveolatus +
Taxon family
Ranunculaceae +
Taxon name
Ranunculus bonariensis var. trisepalus +
Taxon parent
Ranunculus bonariensis +
Taxon rank
variety +
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 +