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2n chromosome quantity
10 +
Anther base shape
not tailed +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Apex arrangement or course or shape
linear +
Apex coloration
green +
Apex fusion
distinct +
Apex growth form or texture
herbaceous +
Apex pubescence
glabrous +
Apex shape
acute;acuminate +
Apex size
subequal +
Apex texture
scarious +
Apical appendage quantity
0 +
Apical appendage shape
usually triangular +  and linear +
Appendage pubescence
hirsute +
Appendage relief
papillate +
Appendage shape
usually deltate +  and lanceolate +
Array architecture
cymiform +  and leafy +
Array architecture or fragility
loose +
Array development
indeterminate +  and determinate +
Author
Ronald L. Hartman +  and David J. Bogler +
Authority
(Kunth) D. R. Morgan & R. L. Hartman +
Band architecture
continuous +
Band quantity
1 +
Basal blade architecture
1-nerved +
Basal blade shape
linear +  and lanceolate oblanceolate or obovate +
Base coloration
whitish +  and tan +
Base shape
decurrent +
Base texture
indurate to herbaceous +
Base width
broadened +
Basionyms
Aster riparius +
Blade architecture
compound +  and simple +
Blade length
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Blade shape
oblanceolate +
Blade size
reduced +
Blade width
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Body architecture or pubescence or relief
smooth +
Body architecture or shape
ribbed +
Body relief
rugulose +  and muricate +
Branch arrangement or course or shape
linear +
Branch structure in adjective form
stigmatic +
Bristle architecture
barbellulate +  and barbellate +
Bristle pappus duration
persistent +
Bristle shape
Attenuate (?) +
Calyculus presence
absent +
Cauline blade shape
lanceolate +  and scalelike +
Cilium quantity
1 (?) +  and 8 (?) +
Common name
Chiricahua mountain tansy-aster +  and alkali aster +
Corolla architecture
not 2-lipped +  and actinomorphic +
Corolla coloration
yellow +
Corolla presence
absent +
Corolla some measurement
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Cypsela architecture
11-13-nerved +
Cypsela architecture or shape
beaked +, 2-ribbed +  and 5-ribbed +
Cypsela growth form
dimorphic +
Cypsela pubescence
sericeous +
Cypsela shape
oblanceoloid +
Cypsela some measurement
2.5mm;3mm +
Disc-floret quantity
45 (100) +
Disc-floret reproduction
fertile +  and bisexual +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Disc lengths
equaling +
Disc shape
compressed +
Disc some measurement
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Distal blade architecture or shape
entire +
Distal blade shape
subulate +
Distribution
Ariz. +, N.Mex. +, Mexico (Chihuahua) +, Mexico (Coahuila) +, Mexico (Durango) +  and Mexico (Zacatecas) +
Elevation
1300–1400 m +
Embryo course
straight +
Face pubescence
sericeous +
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 +
Habitat
Low valleys, saline soils on mudflats, edges of playas +
Head architecture
discoid +  and radiate +
Head arrangement
singly +
Head development
indeterminate +
Head reproduction
heterogamous +  and homogamous +
Illustration copyright
Flora of North America Association +
Illustrator
Bee F. Gunn +
Individual head architecture
each +  and sessile +
Involucre length
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Involucre position relational
surrounding +
Involucre shape
hemispheric +
Involucre width
1 cm10 mm <br />0.01 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
Lamina architecture
coiled +
Lamina coloration
bluish purple +  and lavender +
Lamina some measurement
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Leaf architecture
sessile +
Leaf arrangement
alternate +
Leaf position
cauline +
Line quantity
2 +
Lobe atypical quantity
4 (5) +
Lobe orientation
erect +
Lobe quantity
5 (?) +
Lobe shape
triangular +
Margin architecture or shape
entire +
Margin pubescence
with 1-8 cilia +  and eciliate +
Margin shape
entire +  and laciniate +
Margin texture
scarious +
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 architecture
barbellulate +
Pappus coloration
white +
Pappus duration
persistent +
Pappus pubescence
setose +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Phenology
Flowering Apr–Sep. +
Phyllarie architecture
1-nerved +
Phyllarie duration
persistent +
Phyllarie fixation or orientation
appressed +
Phyllarie fusion
distinct +
Phyllarie life cycle
falling +
Phyllarie orientation
reflexed +, spreading +  and appressed +
Phyllarie quantity
40 (150) +
Phyllarie shape
linear-lanceolate +
Phyllarie size
unequal +
Phyllarie some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Phyllarie texture
Herbaceous (Chartaceous or scarious) +
Publication title
Sida +
Publication year
2003 +
Ray-floret architecture
pistillate +
Ray-floret presence
absent +
Ray-floret quantity
50 (80) +
Ray-floret reproduction
fertile +
Ray cypsela shape
rounded +
Ray quantity
1/3 +
Ray some measurement
0.3 cm3 mm <br />0.003 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Receptacle architecture
epaleate +
Receptacle pubescence
bearing subulate enations +, hairy +  and bristly +
Receptacle relief
pitted +
Receptacle shape
convex +
Reference
None +
Root texture
fibrous +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
1 (2) +
Series quantity
4;5 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V20 926.xml +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
branching +
Stem coloration
gland-dotted +
Stem course
straight +
Stem growth form or orientation
sprawling +
Stem orientation
ascending +  and erect +
Stem pubescence
glaucous +  and glabrous +
Stem quantity
1 +  and 12 +
Stem texture
rigid +
Style-branch architecture
appendaged +  and truncate +
Style architecture
2-branched +
Style pubescence
glabrous +
Style quantity
1 +
Style relief
papillate +  and smooth +
Synonyms
Machaeranthera riparia +  and Machaeranthera sonorae +
Taproot size
slender +
Taproot width
thick +
Taxon family
Asteraceae +
Taxon name
Arida riparia +
Taxon parent
Arida +
Taxon rank
species +
Tube size or quantity
1/4-1/2 times funnelform throats +
Volume
Volume 20 +
Whole-organism architecture
rhizomatous +  and taprooted +
Whole-organism atypical some measurement
60 cm600 mm <br />0.6 m <br /> (90 cm900 mm <br />0.9 m <br />) +
Whole-organism duration
annual +
Whole-organism some measurement
25 cm250 mm <br />0.25 m <br /> (60 cm600 mm <br />0.6 m <br />) +
Whole organism architecture
taprooted +
Whole organism atypical some measurement
60 cm600 mm <br />0.6 m <br /> (90 cm900 mm <br />0.9 m <br />) +
Whole organism growth form
subshrub +
Whole organism some measurement
10cm (60cm) +
X chromosome quantity
5 +