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2n chromosome quantity
66 +
Age architecture
continuous +
Anther coloration
yellow +
Appearance shape
cushionlike +
Appendage architecture
arillate +
Appendage pubescence or texture
corky +
Areole arrangement or shape
elliptic +
Areole atypical length
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Areole atypical width
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Areole duration
deciduous +  and persistent +
Areole length
3 cm30 mm <br />0.03 m <br /> (?) +
Areole orientation
Spreading (?) +
Areole presence
absent +
Areole prominence
Conspicuous (Obscure) +
Areole quantity
12 +  and 22 +
Areole shape
oval +
Areole width
2.5 cm25 mm <br />0.025 m <br /> (?) +
Author
Donald J. Pinkava +
Authority
(Nuttall) Haworth +
Base quantity
0;3 +
Basionyms
Cactus fragilis +
Bristle shape
Hairlike (?) +
Chain architecture
sessile +
Chain architecture or shape
symmetric +
Chain life cycle
proliferating +
Chain orientation
arising +
Cladode length or size
long +
Cladode shape
flattened +  and cylindric +
Common name
Brittle pricklypear +  and little pricklypear +
Depression depth
shallow +
Depression quantity
1 (4) +
Depression size
large +
Distribution
Alta. +, B.C. +, Man. +, Ont. +, Sask. +, Ariz. +, Calif. +, Colo. +, Idaho +, Ill. +, Iowa +, Kans. +, Mich. +, Minn. +, Mont. +, Nebr. +, N.Mex. +, N.Dak. +, Okla. +, Oreg. +, S.Dak. +, Tex. +, Utah +, Wash. +, Wis. +  and Wyo. +
Elevation
0-2400 m +
Envelope derivation
funicular +
Envelope texture
osseous +
Epidermis arrangement
separating +
Epidermis condition
intact +
Filament coloration
red +  and white +
Flower architecture
staminate +
Flower architecture or arrangement or growth form
solitary +
Flower architecture or shape
symmetric +
Flower arrangement
arranged +
Flower duration
diurnal +
Flower part life cycle
abscising +
Flower quantity
1 +
Flower reproduction
bisexual +
Flower shape
salverform +, cup-shaped +  and rotate +
Flower tube atypical some measurement
15 cm150 mm <br />0.15 m <br /> (30 cm300 mm <br />0.3 m <br />) +
Flower tube fusion
adnate +
Flower tube height or length or size
short +
Flower tube position
epigynous +
Flower tube some measurement
0.2 cm2 mm <br />0.002 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Fruit architecture
spineless +  and stipitate +
Fruit architecture or shape
burlike +  and spiny +
Fruit coloration
tan +
Fruit condition
drying +
Fruit condition or texture
dry +
Fruit course
straight +
Fruit dehiscence
indehiscent +
Fruit duration
persistent +, long +  and deciduous +
Fruit length
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Fruit life cycle
proliferating +
Fruit pubescence
glabrous +
Fruit relief
tuberculate +  and smooth +
Fruit shape
clavate +  and cylindric ovoid or obovoid +
Fruit texture
fleshy +  and juicy or dry +
Fruit width
0.8 cm8 mm <br />0.008 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Girdle prominence
protruding +
Girdle some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Glochid coloration
Tan (Brown) +
Glochid presence
absent +
Glochid prominence
inconspicuous +
Glochid some measurement
0 cm0 mm <br />0 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Grain relief
foveolate +  and reticulate +
Habitat
Barren areas in grasslands, woodlands, sandy or gravelly soils, on outcrops of granite, limestone, or quartzite +
Hair density
dense +
Illustration copyright
Flora of North America Association +
Illustrator
John Myers +
Inflorescence derivation
true +
Inner tepal architecture or shape
emarginate-apiculate +
Inner tepal coloration
Red (?) +  and Yellow (?) +
Inner tepal shape
oblong +  and spatulate +
Inner tepal some measurement
2 cm20 mm <br />0.02 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
Leaf architecture
sessile +
Leaf arrangement
alternate +
Leaf duration
deciduous +
Leaf presence
absent +
Leaf prominence
vestigial +
Leaf shape
flattened +  and conic +
Leaf some measurement
0 cm0 mm <br />0 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Leaf texture
succulent +
Long-shoot architecture or pubescence or relief
smooth +
Long-shoot relief
tuberculate +
Long-shoot shape
fluted;spheric;depressed-spheric or club-shaped +
Main axis development
determinate +
Main axis shape
terete +
Margin coloration
tinged color +
Nectar chamber architecture
open +  and simple +
Nectar chamber development
specialized +
Nectary architecture
sometimes covered by outgrowths of proximal portion of style base or of flower tube wall +  and open +
Number of lower taxa
0 +
Outer tepal architecture or shape
sepal-like +
Outer tepal coloration
Green (?) +  and Yellow (?) +
Outer tepal shape
Bractlike (?) +
Ovary derivation
true +
Ovary position relational
surrounding +
Ovary prominence
sunken +
Perianth duration
persistent +  and deciduous +
Perianth life cycle
abscising +
Perianth position
epigynous +
Phenology
Flowering summer (late Jun-early Jul). +
Pistil architecture
compound +
Pistil architecture or structure in adjective form
1-locular +
Placenta arrangement
parietal +
Placenta atypical quantity
14 (20) +
Placenta quantity
3;14 +
Pollen coloration
yellow +
Protuberance fusion
coalescent +
Protuberance shape
ridgelike +  and nipple--shaped +
Proximal style width
thickening +
Publication title
Suppl. Pl. Succ., +
Publication year
1819 +
Reference
None +
Rib atypical quantity
30 (40) +
Rib orientation
vertical +
Rib quantity
3;2;2;30 +
Rib short-shoot architecture or shape
barbed +
Rib short-shoot size
minute +
Root density
diffuse +
Root shape
tuberlike +
Scar depth
deep +
Scar prominence or shape
flat +
Seed arrangement
adjacent +
Seed atypical quantity
0 (5) +
Seed coloration
tan +  and gray +
Seed development
developing +
Seed diameter
5mm;6mm +
Seed length
0.2 cm2 mm <br />0.002 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Seed presence
absent +
Seed pubescence
glabrous +
Seed quantity
1;400 +
Seed shape
oblong;subcircular +
Seed some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Seed width
0.2 cm2 mm <br />0.002 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Segment duration
persistent +
Segment fragility
detachable +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V4/V4 281.xml +
Special status
Endemic +
Spine architecture
not sheathed +
Spine architecture or pubescence or relief
smooth +
Spine architecture or shape
barbed +
Spine atypical some measurement
7.5 cm75 mm <br />0.075 m <br /> (17 cm170 mm <br />0.17 m <br />) +
Spine coloration
gray +
Spine course
straight +
Spine duration
deciduous +  and persistent +
Spine fragility
pliable +
Spine height or length or size
short +
Spine length
longest +
Spine life cycle
aging +
Spine presence
absent +
Spine prominence
conspicuous +
Spine pubescence
with hairlike bristles +  and setose +
Spine quantity
1 (?) +  and 6 (?) +
Spine relief or texture
roughened +
Spine shape
depressed +, terete +  and acicular +
Spine size
Slender (Stout) +
Spine some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Spine texture
hard +  and rigid +
Stamen quantity
50;1500 +
Stamen shape
decurrent +
Stem architecture
winged +  and unsegmented +
Stem relief
tuberculate +  and smooth +
Stem segment arrangement or shape
elliptic +
Stem segment atypical length
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Stem segment atypical width
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Stem segment coloration
dark green +
Stem segment fusion
detached +
Stem segment length
2 cm20 mm <br />0.02 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
Stem segment position
low +
Stem segment pubescence
glabrous +
Stem segment relief
tuberculate +
Stem segment shape
Obovate (Subspheric) +
Stem segment width
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Stem shape
segmented +
Stem texture
woody +  and succulent +
Stigma lobe atypical quantity
14 (20) +
Stigma lobe coloration
green +
Stigma lobe quantity
1;3;14 +
Stipule presence
absent +
Style coloration
white +
Style quantity
1 +
Synonyms
Opuntia brachyarthra +  and Opuntia fragilis var. brach +
Taproot derivation
adventitious +
Taproot shape
tuberlike +
Taxon family
Cactaceae +
Taxon habitat
epipetric +  and epiphytic +
Taxon name
Opuntia fragilis +
Taxon parent
Opuntia +
Taxon rank
species +
Tepal quantity
5;50 +
Testa reflectance
dull +  and glossy +
Tip coloration
brown +
Trunk shape
segmented +
Tubercle fusion
distinct +
Tubercle presence
absent +
Unit quantity
single +
Vascular-bundle prominence
protruding +
Vascular-bundle size
enlarged +
Volume
Volume 4 +
Whole organism architecture
branched +
Whole organism architecture or arrangement or growth form
solitary +
Whole organism growth form
shrub +
Whole organism habitat
terrestrial;epiphytic or epipetric +
Whole organism orientation
erect +  and trailing +
Whole organism position
low +
Whole organism quantity
Many (?) +
Whole organism some measurement
2cm (10cm) +
Wing prominence or shape
flat +
Wool coloration
white +
X chromosome quantity
11 +