familyAsteraceae
tribeAsteraceae tribe Heliantheae
subtribeAsteraceae (tribe Heliantheae) subtribe Ecliptinae
genusSilphium
speciesSilphium terebinthinaceum
varietySilphium terebinthinaceum var. pinnatifidum

Silphium terebinthinaceum var. pinnatifidum

(Elliott) A. Gray

Manual, 220. 1848.

Jennifer A. Clevinger
Endemic
Basionym: Silphium pinnatifidum Elliott Sketch Bot. S. Carolina 2: 462. 1823
Treatment appears in FNA Volume 21. Treatment on page 78.

Leaves pinnately lobed (lobes to 13, sinuses relatively shallow to deep, sometimes almost to midrib; ultimate margins entire or toothed). 2n = 14.


Phenology: Flowering mid summer–early fall.
Habitat: Wet or dry prairies, fens, open, disturbed sites
Elevation: 100–500 m

Distribution

V21-172-distribution-map.gif

Ala., Ga., Ill., Ky., Mich., Ohio, Tenn.

Discussion

Selected References

None.

Lower Taxa

None.

"broader" is not a number.

... more about "Silphium terebinthinaceum var. pinnatifidum"
RDF feed
2n chromosome quantity
14 +
Abaxial face pubescence
glabrous +
Anther base shape
not tailed +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Anther theca coloration
dark +
Apex fusion
connate +  and distinct +
Apex growth form or texture
herbaceous +
Apex shape
obtuse;acute +
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
racemiform +  and paniculiform +
Array development
indeterminate +  and determinate +
Author
Jennifer A. Clevinger +
Authority
(Elliott) A. Gray +
Awn architecture
bristlelike +
Awn quantity
2 +
Awn shape
coroniform +
Band architecture
continuous +
Band quantity
1 +
Basal leaf architecture
petiolate +
Basal leaf duration
persistent +
Base shape
truncate +, round +, hastate +, cordate +  and attenuate +
Basionyms
Silphium pinnatifidum +
Blade architecture
compound +  and simple +
Blade arrangement or shape
elliptic +
Blade length
3 cm30 mm <br />0.03 m <br /> (40 cm400 mm <br />0.4 m <br />) +
Blade shape
lobed;sagittate;ovate;sagittate;ovate;lanceolate;deltate;cordate +
Blade width
1 cm10 mm <br />0.01 m <br /> (40 cm400 mm <br />0.4 m <br />) +
Body architecture
winged;ribbed;winged;ribbed +
Body architecture or pubescence or relief
smooth +
Body relief
tuberculate +  and rugose +
Bractlet quantity
1;15 +
Branch arrangement or course or shape
linear +
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 arrangement
alternate +
Corolla architecture
zygomorphic +
Corolla coloration
yellow +
Cypsela architecture
winged +
Cypsela architecture or shape
ribbed +
Cypsela growth form
dimorphic +
Cypsela length
0.7 cm7 mm <br />0.007 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Cypsela pubescence
hairy +  and glabrous +
Cypsela shape
less orbiculate +  and obovate or cuneate +
Cypsela width
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Disc-floret architecture
staminate +
Disc-floret quantity
120 (140) +
Disc-floret reproduction
fertile +  and bisexual +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Distribution
Ala. +, Ga. +, Ill. +, Ky. +, Mich. +, Ohio +  and Tenn. +
Elevation
100–500 m +
Embryo course
straight +
Face pubescence
scabrous +  and glabrous +
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
Wet or dry prairies, fens, open, disturbed sites +
Head architecture or arrangement
radiate +
Head architecture or shape
discoid +
Head arrangement
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays +  and singly +
Head development
indeterminate +
Head reproduction
homogamous +  and heterogamous +
Illustration copyright
Flora of North America Association +
Illustrator
Yevonn Wilson-Ramsey +
Individual head architecture
each +  and sessile +
Involucre diameter
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Involucre position relational
surrounding +
Involucre shape
campanulate;hemispheric +
Leaf architecture
sessile +  and petiolate +
Leaf arrangement
alternate +, subopposite +, opposite +  and whorled +
Leaf position
cauline +  and basal +
Leaf shape
lobed +
Line quantity
2 +
Lobe atypical quantity
4 (5) +
Lobe quantity
5 (?) +
Lobe shape
deltate +
Margin architecture or shape
dentate to pinnatifid or palmatifid +  and entire +
Margin shape
toothed +  and entire +
Number of lower taxa
0 +
Outer phyllary fixation or orientation
appressed +
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 +
Pappus duration
persistent +
Pappus fragility
fragile +
Pappus life cycle
falling +
Pappus presence
absent +
Pappus some measurement
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Phenology
Flowering mid summer–early fall. +
Phyllary duration
persistent +
Phyllary fusion
distinct +
Phyllary life cycle
falling +
Phyllary quantity
23 +  and 33 +
Phyllary shape
Ovate (Orbiculate) +
Phyllary size
unequal +  and subequal +
Phyllary texture
Herbaceous (Chartaceous) +
Publication title
Manual, +
Publication year
1848 +
Ray-floret architecture
pistillate +
Ray-floret atypical quantity
1 (3) +
Ray-floret presence
absent +
Ray-floret quantity
17 (29) +
Ray-floret reproduction
fertile +
Receptacle architecture
paleate +
Receptacle pubescence
bearing subulate enations +, hairy +  and bristly +
Receptacle shape
flat;slightly convex +
Reference
None +
Root texture
fibrous +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
1 (2) +
Series quantity
2;3 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V21 172.xml +
Special status
Endemic +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
branched +
Stem orientation
erect +
Stem pubescence
glabrous +
Stem shape
terete +
Stigmatic papilla architecture
continuous +
Stigmatic papilla quantity
0 +
Style-branch architecture
appendaged +  and truncate +
Style architecture
2-branched +
Style pubescence
hirsutulous +  and glabrous +
Style quantity
1 +
Style relief
papillate +
Synonyms
Undefined (tribe Undefined) subtribe Enceliinae +, Undefined (tribe Undefined) subtribe Engelmanniinae +, Undefined (tribe Undefined) subtribe Spilanthinae +, Undefined (tribe Undefined) subtribe Verbesininae +  and Undefined (tribe Undefined) subtribe Zinniinae +
Taxon family
Asteraceae +
Taxon name
Silphium terebinthinaceum var. pinnatifidum +
Taxon parent
Silphium terebinthinaceum +
Taxon rank
variety +
Throat shape
cylindric +
Throat size or width
narrow +
Tube height or length or size
much shorter +
Tube shape
cylindric +
Tube size or length
shorter to longer than campanulate +
Ultimate margin shape
entire +  and toothed +
Volume
Volume 21 +
Whole-organism duration
perennial +
Whole-organism some measurement
20 cm200 mm <br />0.2 m <br /> (250 cm2,500 mm <br />2.5 m <br />) +
Whole organism architecture
taprooted +
Whole organism atypical some measurement
40 cm400 mm <br />0.4 m <br /> (100 cm1,000 mm <br />1 m <br />) +
Whole organism average some measurement
2500cm (10cm) +
Whole organism growth form
plant +
Whole organism shape
scapiform +
Whole organism some measurement
100cm (250cm) +
X chromosome quantity
7 +