familyAsteraceae
tribeAsteraceae tribe Heliantheae
subtribeAsteraceae (tribe Heliantheae) subtribe Ambrosiinae
genusHedosyne
speciesHedosyne ambrosiifolia

Hedosyne ambrosiifolia

(A. Gray) Strother

Madroño 47: 204. 2001.

John L. Strother
Basionym: Euphrosyne ambrosiifolia A. Gray Smithsonian Contr. Knowl. 3(5): 102. 1852 (as ambrosiaefolia)
Synonyms: Cyclachaena ambrosiifolia (A. Gray) Rydberg Iva ambrosiifolia (A. Gray) A. Gray
Treatment appears in FNA Volume 21. Treatment on page 31.
Please click on the illustration for a higher resolution version.
Illustrator: Yevonn Wilson-Ramsey

Copyright: Flora of North America Association

Leaves: petioles 5–12 (–45) mm; blades 3–5 (–9) × 4–5 (–8) cm overall, lobes 1–3 mm wide. Peduncles 3–12+ mm. Involucres 2–3+ mm. Phyllaries: outer 5 sparsely strigose or glabrous. Paleae 1–1.5 mm. Functionally staminate florets: corollas 1.5–2 mm. Cypselae 1.4–1.7 mm. 2n = 36.


Phenology: Flowering Jul–Sep.
Habitat: Disturbed sites (roadsides, washes, etc.), in sandy, gypseous, or calcareous soils
Elevation: 1000–2000 m

Distribution

V21-56-distribution-map.gif

Ariz., N.Mex., Tex., Mexico (Chihuahua), Mexico (Coahuila), Mexico (Durango), Mexico (Nuevo León), Mexico (San Luis Potosí), Mexico (Sonora), Mexico (Zacatecas)

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Hedosyne ambrosiifolia"
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2n chromosome quantity
36 +
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
paniculiform +
Array architecture or fragility
loose +
Array development
indeterminate +  and determinate +
Author
John L. Strother +
Authority
(A. Gray) Strother +
Band architecture
continuous +
Band quantity
1 +
Base shape
decurrent +
Basionyms
Euphrosyne ambrosiifolia +
Blade architecture
compound +  and simple +
Blade atypical length
5 cm50 mm <br />0.05 m <br /> (9 cm90 mm <br />0.09 m <br />) +
Blade atypical width
5 cm50 mm <br />0.05 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Blade length
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Blade shape
lobed;ovate;lanceolate +
Blade width
4 cm40 mm <br />0.04 m <br /> (5 cm50 mm <br />0.05 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 +
Corolla presence
absent +
Corolla shape
tubular +  and more or less filiform +
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 coloration or pubescence or relief
striate +
Cypsela growth form
dimorphic +
Cypsela pubescence
glabrous +
Cypsela relief
scabrellous +  and tuberculate +
Cypsela shape
obcompressed +  and pyriform +
Cypsela some measurement
1.4mm;1.7mm +
Disc floret architecture
staminate +
Disc floret quantity
5 (60) +
Disc floret reproduction
fertile +  and bisexual +
Distribution
Ariz. +, N.Mex. +, Tex. +, Mexico (Chihuahua) +, Mexico (Coahuila) +, Mexico (Durango) +, Mexico (Nuevo León) +, Mexico (San Luis Potosí) +, Mexico (Sonora) +  and Mexico (Zacatecas) +
Elevation
1000–2000 m +
Embryo course
straight +
Face pubescence
hispid +
Face relief
scabrellous +
Filament fusion
distinct +
Floret architecture
staminate +
Floret atypical quantity
5;15 +
Floret position
proximal +
Floret quantity
5;10 +
Floret reproduction
bisexual +
Fruit architecture
winged +  and beaked +
Fruit condition or texture
dry +
Fruit density
dispersed +
Glomerule arrangement
singly +
Habitat
Disturbed sites (roadsides, washes, etc.), in sandy, gypseous, or calcareous soils +
Head architecture or arrangement
radiate +
Head architecture or shape
disciform +
Head arrangement
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays +  and singly +
Head development
indeterminate +
Head reproduction
homogamous +  and heterogamous +
Illustration
Present +
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
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Involucre position relational
surrounding +
Involucre shape
hemispheric +
Involucre some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Lamina prominence
conspicuous +
Leaf architecture
petiolate +
Leaf arrangement
alternate +
Leaf position
cauline +
Line quantity
2 +
Lobe atypical quantity
3 (5) +
Lobe orientation
reflexed +
Lobe quantity
5 (?) +
Lobe shape
deltate +
Lobe width
0.1 cm1 mm <br />0.001 m <br /> (?) +  and 0.3 cm3 mm <br />0.003 m <br /> (?) +
Margin architecture or shape
dentate to pinnatifid or palmatifid +  and entire +
Number of lower taxa
0 +
Outer phyllary growth form or texture
herbaceous +
Outer phyllary pubescence
glabrous +  and strigose +
Outer phyllary quantity
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 pubescence
glabrate +  and hairy +
Palea shape
spatulate;linear +
Palea some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Palea texture
membranous +
Pappus duration
persistent +
Pappus life cycle
falling +
Pappus presence
absent +
Peduncle some measurement
0.3 cm3 mm <br />0.003 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
1 (10) +
Petal fusion
connate +
Petiole atypical some measurement
1.2 cm12 mm <br />0.012 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
Petiole some measurement
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Phenology
Flowering Jul–Sep. +
Phyllary atypical quantity
3 (5) +
Phyllary duration
persistent +
Phyllary fusion
distinct +
Phyllary life cycle
falling +
Phyllary quantity
10 +  and 12 +
Phyllary shape
Lanceovate (Linear) +
Phyllary size
unequal +  and subequal +
Phyllary texture
Herbaceous (Chartaceous) +
Publication title
Madroño +
Publication year
2001 +
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
hemispheric +
Reference
None +
Root texture
fibrous +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
8 (12) +
Series quantity
1;8 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V21 56.xml +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
branched +
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
Cyclachaena ambrosiifolia +  and Iva ambrosiifolia +
Taxon family
Asteraceae +
Taxon name
Hedosyne ambrosiifolia +
Taxon parent
Hedosyne +
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
50 cm500 mm <br />0.5 m <br /> (100 cm1,000 mm <br />1 m <br />) +
Whole-organism duration
annual +
Whole-organism some measurement
10 cm100 mm <br />0.1 m <br /> (50 cm500 mm <br />0.5 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
3cm (150cm) +
X chromosome quantity
18 +