familyAsteraceae
tribeAsteraceae tribe Heliantheae
subtribeAsteraceae (tribe Heliantheae) subtribe Rudbeckiinae
genusRudbeckia
sectionRudbeckia sect. Rudbeckia
speciesRudbeckia triloba
varietyRudbeckia triloba var. triloba

Rudbeckia triloba var. triloba

Lowell E. Urbatsch, Patricia B. Cox
Endemic
Synonyms: Rudbeckia beadlei Small Rudbeckia triloba var. beadlei
Treatment appears in FNA Volume 21. Treatment on page 60.

Cauline leaves (at least some) 3-lobed. Discs 10–15 mm diam. Ray laminae 8–17 mm. 2n = 38, ca. 57, 57.


Phenology: Flowering Jul–Oct.
Habitat: Mesic to wet woodlands, thickets, pastures, roadsides, meadows
Elevation: 20–300 m

Distribution

V21-133-distribution-map.gif

Ont., Que., Ala., Ark., Colo., Conn., Del., Ga., Ill., Ind., Iowa, Kans., Ky., La., Md., Mass., Mich., Minn., Miss., Mo., Nebr., N.J., N.Y., N.C., Ohio, Okla., Pa., Tenn., Tex., Utah, Vt., Va., W.Va., Wis.

Discussion

Variety triloba is introduced in Canada.

Selected References

None.

Lower Taxa

None.
... more about "Rudbeckia triloba var. triloba"
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2n chromosome quantity
57 +  and 38 +
Anther base shape
not tailed +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Anther theca coloration
dark +
Apex architecture or shape
cuspidate +
Apex fusion
connate +  and distinct +
Apex growth form or texture
herbaceous +
Apex pubescence
glabrous +
Apex shape
obtuse;rounded +
Apex size
subequal +
Apex texture
scarious +
Apical appendage presence
absent +
Apical appendage shape
usually ovate +  and lanceolate +
Appendage pubescence
hirsute +
Appendage relief
papillate +
Appendage shape
usually deltate +  and lanceolate +
Array architecture
paniculiform +
Array development
indeterminate +  and determinate +
Author
Lowell E. Urbatsch +  and Patricia B. Cox +
Authority
Linnaeus +
Band architecture
continuous +
Band quantity
1 +
Basal leaf architecture
petiolate +
Basal leaf length
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +
Basal leaf width
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Base architecture or fixation
clasping +
Base shape
rounded +  and attenuate +
Blade architecture
compound +  and simple +
Blade shape
ovate;subcordate or elliptic +
Body architecture
winged;ribbed;winged;ribbed +
Body architecture or pubescence or relief
smooth +
Body relief
tuberculate +  and rugose +
Bractlet quantity
1;15 +
Branch-style distance
1.2 +
Branch arrangement or course or shape
linear +
Branch position
proximal +
Branch quantity
1/2;4/5 +
Branch some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
Branch structure in adjective form
stigmatic +
Bristle architecture
barbellulate +  and barbellate +
Bristle shape
Plumose (?) +
Calyculus presence
absent +
Calyculus quantity
Of 1 (15+ bractlets) +
Cauline leaf architecture
sessile +  and petiolate +
Cauline leaf shape
3-lobed +
Corolla architecture
tipped +
Corolla coloration
yellowish green +
Corolla coloration or density
brown-purple +
Corolla some measurement
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Cypsela architecture
monomorphic +
Cypsela architecture or shape
beaked +
Cypsela atypical some measurement
0.35 cm3.5 mm <br />0.0035 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Cypsela growth form
dimorphic +
Cypsela pubescence
hairy +  and glabrous +
Cypsela shape
flattened +, fusiform-terete +  and obpyramidal +
Cypsela some measurement
1.9mm;2.8mm +
Disc-floret quantity
150 (300) +
Disc-floret reproduction
fertile +  and bisexual +
Disc diameter
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Disc length
0.8 cm8 mm <br />0.008 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Disc width
10mm;20mm +
Distal leaf architecture
sessile +
Distribution
Ont. +, Que. +, Ala. +, Ark. +, Colo. +, Conn. +, Del. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Md. +, Mass. +, Mich. +, Minn. +, Miss. +, Mo. +, Nebr. +, N.J. +, N.Y. +, N.C. +, Ohio +, Okla. +, Pa. +, Tenn. +, Tex. +, Utah +, Vt. +, Va. +, W.Va. +  and Wis. +
Elevation
20–300 m +
Embryo course
straight +
Face pubescence
hirsute +  and strigose +
Filament fusion
distinct +
Floret architecture
pistillate +, staminate +  and neuter +
Floret atypical quantity
5;15 +
Floret position
proximal +
Floret quantity
1;5 +
Floret reproduction
bisexual +
Fruit architecture
winged +  and beaked +
Fruit condition or texture
dry +
Fruit density
dispersed +
Glomerule arrangement
singly +
Habitat
Mesic to wet woodlands, thickets, pastures, roadsides, meadows +
Head architecture
discoid +  and radiate +
Head architecture or arrangement
radiate +
Head architecture or shape
discoid +
Head arrangement
in loose , corymbiform to paniculiform arrays +  and singly +
Head atypical quantity
10 (30) +
Head development
indeterminate +
Head reproduction
homogamous +  and heterogamous +
Illustration copyright
Flora of North America Association +
Illustrator
John Myers +
Individual head architecture
each +  and sessile +
Involucre diameter
0.1 cm1 mm <br />0.001 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Involucre position relational
surrounding +
Involucre shape
fusiform;turbinate or broadly campanulate +
Lamina length
8mm;30mm +
Lamina pubescence
strigose +
Lamina shape
linear +  and oblanceolate +
Lamina width
3mm;8mm +
Leaf architecture
sessile +  and petiolate +
Leaf arrangement
opposite +
Leaf coloration
green +
Leaf position
cauline +
Leaf pubescence
not glaucous +
Line quantity
2 +
Lobe atypical quantity
3 (5) +
Lobe coloration
greenish;yellowish +
Lobe quantity
3 (?) +
Lobe shape
deltate +  and lance-linear +
Margin architecture or pubescence or shape
ciliate +
Margin architecture or shape
serrate +
Number of lower taxa
0 +
Ovary architecture
2-carpellate +
Ovary architecture or structure in adjective form
1-locular +
Ovary position
inferior +
Ovule fixation
attached +
Ovule orientation
anatropous +
Ovule quantity
1 +
Palea some measurement
0.5 cm5 mm <br />0.005 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
Pappus atypical quantity
2 (5) +
Pappus duration
persistent +
Pappus length or size
longer +
Pappus life cycle
falling +
Pappus presence
absent +
Pappus quantity
0 +  and 2 +
Pappus shape
coroniform +
Pappus some measurement
0 cm0 mm <br />0 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Phenology
Flowering Jul–Oct. +
Phyllary atypical quantity
5 (15) +
Phyllary duration
persistent +
Phyllary fusion
distinct +
Phyllary life cycle
falling +
Phyllary quantity
3 +  and 21 +
Phyllary size
unequal +
Phyllary some measurement
0 cm0 mm <br />0 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Phyllary texture
Herbaceous (Chartaceous) +
Proximal leaf length
2 cm20 mm <br />0.02 m <br /> (20 cm200 mm <br />0.2 m <br />) +
Proximal leaf shape
3-5-lobed (?) +
Proximal leaf width
1.5 cm15 mm <br />0.015 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Publication title
Sp. Pl. +
Publication year
1753 +
Ray-floret architecture
pistillate +
Ray-floret atypical quantity
8 (13) +
Ray-floret presence
absent +
Ray-floret quantity
8 (15) +
Ray-floret reproduction
fertile +
Ray lamina some measurement
0.8 cm8 mm <br />0.008 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
Receptacle architecture
epaleate +
Receptacle pubescence
bearing subulate enations +, hairy +  and bristly +
Receptacle relief
pitted +  and smooth +
Receptacle shape
conic;subhemispheric +
Reference
None +
Root texture
fibrous +
Scale atypical quantity
5 (10) +
Scale fusion
connate +  and distinct +
Scale quantity
2 +  and 5 +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
2 (3) +
Series quantity
2 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V21 133.xml +
Special status
Endemic +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
branched +
Stem coloration
green +
Stem orientation
erect +
Stem pubescence
glabrate +  and hirsute or strigose +
Style-branch architecture
appendaged +  and truncate +
Style architecture
2-branched +
Style pubescence
hirsutulous +  and glabrous +
Style quantity
1 +
Style relief
papillate +
Style some measurement
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Synonyms
Rudbeckia beadlei +  and Rudbeckia triloba var. beadlei +
Taxon family
Asteraceae +
Taxon name
Rudbeckia triloba var. triloba +
Taxon parent
Rudbeckia triloba +
Taxon rank
variety +
Throat shape
cylindric +
Throat variability
equaling +
Tooth quantity
2 (8) +
Tube height or length or size
shorter +
Tube length or size
much longer +
Ultimate margin architecture or shape
dentate +  and entire +
Ultimate margin shape
entire +  and toothed +
Volume
Volume 21 +
Whole-organism atypical some measurement
100 cm1,000 mm <br />1 m <br /> (200 cm2,000 mm <br />2 m <br />) +
Whole-organism duration
perennial +
Whole-organism some measurement
0 cm0 mm <br />0 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
Whole organism atypical some measurement
80 cm800 mm <br />0.8 m <br /> (200 cm2,000 mm <br />2 m <br />) +
Whole organism growth form
shrub +  and subshrub +
Whole organism some measurement
10cm (80cm) +
X chromosome quantity
19 +