familyAsteraceae
tribeAsteraceae tribe Heliantheae
subtribeAsteraceae (tribe Heliantheae) subtribe Ecliptinae
genusAcmella
speciesAcmella pusilla

Acmella pusilla

(Hooker & Arnott) R. K. Jansen

Syst. Bot. Monogr. 8: 46. 1985.

John L. Strother
Introduced
Basionym: Spilanthes pusilla Hooker & Arnott J. Bot. (Hooker) 3: 317. 1841
Treatment appears in FNA Volume 21. Treatment on page 133. Mentioned on page 132.

Leaves: petioles 2–4 mm; blades lanceolate, mostly 12–40 × 3–10 mm, margins usually sinuate-dentate, rarely entire. Cypselae 1.2–1.6 mm, ciliate or not, tips of cilia recurved; pappi 0 or of 1–2 bristles. 2n = 26, 52.


Phenology: Flowering May–Sep.
Habitat: Disturbed sites
Elevation: 0–10 m

Distribution

V21-324-distribution-map.gif

Introduced; Fla., Ga., N.C., S.C., South America

Discussion

Selected References

None.

Lower Taxa

None.

"broader" is not a number.

... more about "Acmella pusilla"
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2n chromosome quantity
52 +  and 26 +
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 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
spiciform +, racemiform +, paniculiform +, corymbiform +  and cymiform +
Array development
indeterminate +  and determinate +
Author
John L. Strother +
Authority
(Hooker & Arnott) R. K. Jansen +
Awn architecture
bristlelike +
Awn shape
coroniform +
Band architecture
continuous +
Band quantity
1 +
Base shape
cuneate +
Basionyms
Spilanthes pusilla +
Blade architecture
compound +  and simple +
Blade length
1.2 cm12 mm <br />0.012 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Blade shape
lanceolate +
Blade width
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 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 quantity
1;2 +
Bristle shape
Awnlike (?) +
Calyculus presence
absent +
Calyculus quantity
Of 1 (15+ bractlets) +
Corolla architecture
zygomorphic +
Corolla coloration
yellow +  and orange +
Cypsela architecture
winged +
Cypsela architecture or pubescence or shape
not +  and ciliate +
Cypsela architecture or shape
ribbed +
Cypsela growth form
dimorphic +
Cypsela pubescence
hairy +  and glabrous +
Cypsela shape
strongly compressed ellipsoid +  and obovoid +
Cypsela some measurement
1.2mm;1.6mm +
Disc-floret architecture
staminate +
Disc-floret atypical quantity
100 (200) +
Disc-floret quantity
25 (100) +
Disc-floret reproduction
fertile +  and bisexual +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Distribution
Fla. +, Ga. +, N.C. +, S.C. +  and South America +
Elevation
0–10 m +
Embryo course
straight +
Face pubescence
glabrescent +, sparsely pilose +  and strigillose +
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
Disturbed sites +
Head architecture
discoid +  and radiate +
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
Barbara Alongi +
Individual head architecture
each +  and sessile +
Introduced
true +
Involucre diameter
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Involucre position relational
surrounding +
Involucre shape
less hemispheric;ovoid +
Leaf architecture
petiolate +
Leaf arrangement
opposite +
Leaf position
cauline +
Line quantity
2 +
Lobe atypical quantity
4 (5) +
Lobe quantity
4 (5) +
Lobe shape
deltate +
Margin architecture or shape
entire +  and sinuate-dentate +
Margin shape
toothed +  and entire +
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 +
Pappus duration
persistent +
Pappus fragility
fragile +
Pappus life cycle
falling +
Pappus presence
absent +
Pappus quantity
of 1 +  and 2 bristles +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Petiole some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Phenology
Flowering May–Sep. +
Phyllary duration
persistent +
Phyllary fusion
distinct +
Phyllary life cycle
falling +
Phyllary quantity
8 +  and 15 +
Phyllary shape
Ovate (Orbiculate) +
Phyllary size
unequal +  and subequal +
Phyllary texture
Herbaceous (Chartaceous) +
Publication title
Syst. Bot. Monogr. +
Publication year
1985 +
Ray-floret architecture
pistillate +
Ray-floret atypical quantity
1 (3) +
Ray-floret presence
absent +
Ray-floret quantity
5 (20) +
Ray-floret reproduction
fertile +
Receptacle architecture
paleate +
Receptacle pubescence
bearing subulate enations +, hairy +  and bristly +
Receptacle shape
conic +
Reference
None +
Root texture
fibrous +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
1 (2) +
Series quantity
1;3 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V21 324.xml +
Special status
Introduced +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
branched +
Stem orientation
prostrate +  and erect +
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
Acmella pusilla +
Taxon parent
Acmella +
Taxon rank
species +
Throat shape
campanulate +
Tip arrangement
singly +
Tip orientation
recurved +
Tube height or length or size
shorter +
Tube shape
cylindric +
Tube size or length
shorter to longer than campanulate +
Ultimate margin shape
toothed +  and entire +
Volume
Volume 21 +
Whole-organism atypical some measurement
20 cm200 mm <br />0.2 m <br /> (30 cm300 mm <br />0.3 m <br />) +
Whole-organism duration
perennial +  and annual +
Whole-organism some measurement
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
Whole organism atypical some measurement
200 cm2,000 mm <br />2 m <br /> (400 cm4,000 mm <br />4 m <br />) +
Whole organism average some measurement
2500cm (10cm) +
Whole organism growth form
shrub +  and subshrub +
Whole organism some measurement
10cm (200cm) +
X chromosome quantity
13 +