familyAsteraceae
tribeAsteraceae tribe Heliantheae
subtribeAsteraceae (tribe Heliantheae) subtribe Ambrosiinae
genusIva
speciesIva angustifolia

Iva angustifolia

Nuttall ex de Candolle in A. P. de Candolle and A. L. P. P. de Candolle

in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 529. 1836.

John L. Strother
Endemic
Synonyms: Iva angustifolia var. latior Shinners Iva texensis
Treatment appears in FNA Volume 21. Treatment on page 27. Mentioned on page 25.

Annuals (rarely persisting), 20–60 (–100+) cm. Stems usually erect. Leaves: petioles 0–2 mm; blades lance-linear to linear, 12–25 (–45) × 1–4 (–7+) mm, margins entire, faces scabrellous to hispidulous, glanddotted. Heads in ± spiciform arrays. Peduncles 0–1 mm. Involucres ± prismatically turbinate, 2.5–3 mm. Phyllaries: outer 3–5 ± connate, ± herbaceous. Paleae linear, 1.5–2 mm. Pistillate florets 0–2+; corollas 0.3–0.8+ mm. Functionally staminate florets 2–5+; corollas 1.5–2 mm. Cypselae 2–3 mm. 2n = 32.


Phenology: Flowering Sep–Nov.
Habitat: Disturbed sites, moist soils
Elevation: 0–300 m

Distribution

V21-47-distribution-map.gif

Ark., Fla., Kans., La., Okla., Tex.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Iva angustifolia"
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2n chromosome quantity
32 +
Anther base shape
not tailed +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Anther theca coloration
pale +
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 +
Array development
indeterminate +  and determinate +
Author
John L. Strother +
Authority
Nuttall ex de Candolle in A. P. de Candolle and A. L. P. P. de Candolle +
Band architecture
continuous +
Band quantity
1 +
Base shape
decurrent +
Blade architecture
compound +  and simple +
Blade arrangement or shape or course
lance-linear to linear +
Blade atypical length
2.5 cm25 mm <br />0.025 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
Blade atypical width
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Blade length
1.2 cm12 mm <br />0.012 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Blade shape
trullate;spatulate;trullate;spatulate;ovate;obovate;linear;lanceolate;filiform;elliptic;deltate +
Blade width
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 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) +
Corolla architecture
zygomorphic +
Corolla coloration
whitish +  and pinkish +
Corolla shape
tubular +
Corolla some measurement
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Cypsela architecture
monomorphic +
Cypsela architecture or pubescence or relief
smooth +
Cypsela architecture or shape
beaked +
Cypsela growth form
dimorphic +
Cypsela pubescence
hispidulous +
Cypsela relief
scabrellous +
Cypsela shape
obcompressed +, plumply obovoid +  and pyriform +
Cypsela some measurement
2mm;3mm +
Disc floret architecture
staminate +
Disc floret quantity
5 (60) +
Disc floret reproduction
fertile +  and bisexual +
Distribution
Ark. +, Fla. +, Kans. +, La. +, Okla. +  and Tex. +
Elevation
0–300 m +
Embryo course
straight +
Face pubescence
hispidulous +
Face relief
scabrellous +
Filament fusion
distinct +
Floret architecture
staminate +  and pistillate +
Floret atypical quantity
5;15 +
Floret position
proximal +
Floret presence
absent +
Floret quantity
2;5 +
Floret reproduction
bisexual +
Fruit architecture
winged +  and beaked +
Fruit condition or texture
dry +
Fruit density
dispersed +
Glomerule arrangement
singly +
Habitat
Disturbed sites, moist soils +
Head architecture or arrangement
radiate +
Head architecture or shape
disciform +  and discoid +
Head arrangement
in corymbiform , glomerate , 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 +
Inner phyllary texture
scarious +  and membranous +
Involucre diameter
0.2 cm2 mm <br />0.002 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Involucre position relational
surrounding +
Involucre shape
turbinate +
Involucre some measurement
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Lamina prominence
conspicuous +
Leaf architecture
sessile +  and petiolate +
Leaf arrangement
opposite +
Leaf position
cauline +
Line quantity
2 +
Lobe atypical quantity
3 (5) +
Lobe orientation
reflexed +
Lobe quantity
5 (?) +
Lobe shape
deltate +
Margin architecture or shape
entire +
Margin shape
toothed +  and entire +
Number of lower taxa
0 +
Outer phyllary fusion
connate +
Outer phyllary growth form or texture
herbaceous +
Outer phyllary quantity
3 +  and 5 +
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 arrangement or course or shape
linear +
Palea quantity
wanting +
Palea shape
spatulate;linear or setiform +
Palea some measurement
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Palea texture
membranous +
Pappus duration
persistent +
Pappus life cycle
falling +
Pappus presence
absent +
Peduncle 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
1 (10) +
Petal fusion
connate +
Petiole some measurement
0 cm0 mm <br />0 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Phenology
Flowering Sep–Nov. +
Phyllary atypical quantity
3 (5) +
Phyllary duration
persistent +
Phyllary fusion
connate +  and distinct +
Phyllary growth form or texture
herbaceous +
Phyllary life cycle
falling +
Phyllary quantity
3 +  and 15 +
Phyllary shape
Lanceovate (Linear) +
Phyllary size
unequal +  and subequal +
Phyllary texture
Herbaceous (Chartaceous) +
Publication title
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
Publication year
1836 +
Ray-floret architecture
pistillate +
Ray-floret atypical quantity
5 (8) +
Ray-floret presence
absent +
Ray-floret quantity
5 (?) +
Ray-floret reproduction
fertile +
Receptacle architecture
paleate +
Receptacle pubescence
bearing subulate enations +, hairy +  and bristly +
Receptacle shape
convex;hemispheric +
Reference
None +
Root texture
fibrous +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
8 (12) +
Series quantity
1;3 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V21 47.xml +
Special status
Endemic +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
branched +
Stem growth form or orientation
decumbent +  and sprawling +
Stem orientation
erect +
Stigmatic papilla presence
absent +
Style-branch architecture
appendaged +  and truncate +
Style architecture
2-branched +
Style pubescence
hirsutulous +  and glabrous +
Style quantity
1 +
Style relief
papillate +
Synonyms
Iva angustifolia var. latior +  and Iva texensis +
Taxon family
Asteraceae +
Taxon name
Iva angustifolia +
Taxon parent
Iva +
Taxon rank
species +
Throat shape
campanulate +  and cylindric +
Tube length or size
longer +
Ultimate margin shape
toothed +  and entire +
Volume
Volume 21 +
Whole-organism atypical some measurement
60 cm600 mm <br />0.6 m <br /> (100 cm1,000 mm <br />1 m <br />) +
Whole-organism duration
annual +
Whole-organism some measurement
20 cm200 mm <br />0.2 m <br /> (60 cm600 mm <br />0.6 m <br />) +
Whole organism atypical some measurement
150 cm1,500 mm <br />1.5 m <br /> (400 cm4,000 mm <br />4 m <br />) +
Whole organism growth form
shrub +  and subshrub +
Whole organism some measurement
10cm (350cm) +
X chromosome quantity
18 +