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2n chromosome quantity
18 +
Anther base shape
not tailed +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Apex fusion
distinct +
Apex growth form or texture
herbaceous +
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 +
Area coloration
purplish +
Area size
expanded +
Array architecture
corymbiform +
Array development
indeterminate +  and determinate +
Author
Guy L. Nesom +
Authority
Greene +
Band architecture
continuous +
Band quantity
1 +
Base shape
decurrent +
Blade architecture
1-nerved +
Blade length
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Blade shape
narrowly oblong;oblanceolate +
Blade size
equal-sized +
Blade width
0.1 cm1 mm <br />0.001 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 architecture
rhizomelike +
Branch arrangement or course or shape
linear +
Branch structure in adjective form
stigmatic +
Bristle architecture
barbellate +
Bristle atypical quantity
30;35 +
Bristle pappus duration
persistent +
Bristle quantity
22;30 +
Calyculus presence
absent +
Caudex texture
woody +
Corolla architecture
not 2-lipped +  and actinomorphic +
Corolla coloration
yellow +, usually white +  and bluish or purplish +
Corolla presence
absent +
Cypsela architecture
2-nerved +
Cypsela architecture or shape
beaked +, 2-ribbed +  and 5-ribbed +
Cypsela atypical some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Cypsela growth form
dimorphic +
Cypsela pubescence
glabrous +
Cypsela shape
subterete +, oblong +  and oblong-obovoid compressed +
Cypsela some measurement
2.5mm;3mm +
Disc-floret quantity
25 (450) +
Disc-floret reproduction
fertile +  and bisexual +
Disc corolla some measurement
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Disc cypsela presence
absent +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Distribution
Calif. +
Elevation
(500–)700–2100 m +
Embryo course
straight +
Face architecture
glandular +  and eglandular +
Face architecture or function or pubescence
glandular +
Face pubescence
villous +  and hirsuto-villous +
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
Rocky slopes, crevices, talus +
Hair architecture or fragility
loose +
Hair orientation
spreading +
Hair pubescence or shape
crinkly +
Head architecture or arrangement
radiate +
Head architecture or shape
disciform +  and discoid +
Head arrangement
in loose , corymbiform or paniculiform arrays +  and singly +
Head atypical quantity
5 (10) +
Head development
indeterminate +
Head quantity
2;5 +
Head reproduction
heterogamous +  and homogamous +
Illustration copyright
Flora of North America Association +
Illustrator
Linny Heagy +
Individual head architecture
each +  and sessile +
Involucre atypical length
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Involucre diameter
0.5 cm5 mm <br />0.005 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
Involucre length
0.55 cm5.5 mm <br />0.0055 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Involucre position relational
surrounding +
Involucre shape
turbinate;hemispheric +
Involucre width
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Leaf architecture
petiolate +  and sessile +
Leaf architecture or function or pubescence
glandular +
Leaf arrangement
alternate +
Leaf position
cauline +
Line quantity
2 +
Lobe atypical quantity
4 (5) +
Lobe orientation
erect;spreading +
Lobe quantity
5 (?) +
Lobe shape
deltate +
Margin architecture or pubescence or shape
ciliate +
Margin architecture or shape
entire +
Margin texture
not +  and 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 +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret architecture
pistillate +
Peripheral floret presence
absent +
Peripheral floret quantity
50 (200) +
Petal fusion
connate +
Phenology
Flowering May–Sep. +
Phyllarie architecture
3-nerved +  and 1-nerved +
Phyllarie architecture or function or pubescence
glandular +
Phyllarie atypical quantity
125 (150) +
Phyllarie duration
persistent +
Phyllarie fusion
distinct +
Phyllarie life cycle
falling +
Phyllarie pubescence
glabrous +
Phyllarie quantity
30 (125) +
Phyllarie shape
narrowly elliptic +  and linear-lanceolate +
Phyllarie size
unequal +
Phyllarie texture
Herbaceous (Chartaceous or scarious) +
Phyllarie variability
equal +
Publication title
Pittonia +
Publication year
1888 +
Ray-floret architecture
pistillate +
Ray-floret presence
absent +
Ray-floret quantity
12 (350) +
Ray-floret reproduction
fertile +
Ray floret presence
absent +
Receptacle architecture
epaleate +
Receptacle pubescence
bearing subulate enations +, hairy +  and bristly +
Receptacle relief
pitted +
Receptacle shape
flat;conic +
Reference
None +
Root texture
fibrous +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
1 (2) +
Series quantity
3;5 +
Seta pappus atypical quantity
40 (50) +
Seta pappus coloration
stramineous +
Seta pappus duration
persistent +
Seta pappus fusion
connate +
Seta pappus life cycle
falling +
Seta pappus quantity
5 (40) +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V20 698.xml +
Special status
Endemic +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
glandular +  and eglandular +
Stem architecture or function or pubescence
glandular +
Stem growth form or orientation
prostrate +  and decumbent +
Stem orientation
erect +  and decumbent-ascending +
Stem pubescence
hispido-pilose +  and white-villous +
Style-branch appendage shape
deltate +
Style-branch architecture
appendaged +  and truncate +
Style architecture
2-branched +
Style pubescence
glabrous +
Style quantity
1 +
Style relief
papillate +  and smooth +
Synonyms
Achaetogeron +  and Trimorpha +
Taxon family
Asteraceae +
Taxon name
Erigeron petrophilus var. petrophilus +
Taxon parent
Erigeron petrophilus +
Taxon rank
variety +
Throat shape
inflated +  and tubular +
Throat texture
indurate +
Tube height or length or size
shorter +
Volume
Volume 20 +
Whole-organism architecture
taprooted +
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 +
Whole-organism some measurement
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
Whole organism growth form
tree +, shrub +  and subshrub +
X chromosome quantity
9 +