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2n chromosome quantity
22 +
Adaxial spine atypical length
7.5 cm75 mm <br />0.075 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Adaxial spine length
16mm +  and 75mm +
Adaxial spine width
1.5 cm15 mm <br />0.015 m <br /> (?) +
Appearance shape
cushionlike +
Appendage architecture
arillate +
Appendage pubescence or texture
corky +
Areolar gland prominence
conspicuous +
Areole architecture or shape
spiny +
Areole arrangement
apart +  and spaced +
Areole arrangement or shape
circular to linear +
Areole atypical some measurement
2 cm20 mm <br />0.02 m <br /> (5.2 cm52 mm <br />0.052 m <br />) +
Areole duration
deciduous +  and persistent +
Areole life cycle
flowering +
Areole presence
absent +
Areole prominence
Conspicuous (Obscure) +
Areole shape
hourglass--shaped +
Areole some measurement
0.8 cm8 mm <br />0.008 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Author
Allan D. Zimmerman +  and Bruce D. Parfitt +
Authority
(Galeotti ex Pfeiffer) Britton & Rose +
Band coloration
white +
Bark pubescence or texture
woodlike +
Bark texture
hardened +
Basal pore size
large +
Base position relational
surrounding +
Basionyms
Echinocactus bicolor +
Bract architecture or shape
leaflike +
Bract presence
absent +
Bract shape
triangular +
Central spine atypical length
4.2 cm42 mm <br />0.042 m <br /> (5.8 cm58 mm <br />0.058 m <br />) +
Central spine atypical quantity
1 (4) +
Central spine atypical width
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
Central spine course
curved +  and straight +
Central spine length
13mm +  and 42mm +
Central spine quantity
4 +
Central spine shape
angled +, flattened +  and terete +
Central spine width
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Chain architecture
sessile +
Chain architecture or shape
symmetric +
Chain life cycle
proliferating +
Chain orientation
arising +
Chamber architecture
open +
Cladode length or size
long +
Cladode shape
flattened +  and cylindric +
Cortex coating
not mucilaginous +
Cortex texture
firm +
Cortex width
thick +
Crest shape
notched +
Distribution
Tex. +, Mexico (Chihuahua) +, Mexico (Coahuila) +, Mexico (Durango) +, Mexico (Nuevo León) +, Mexico (San Luis Potosí) +, Mexico (Tamaulipas) +  and Mexico (Zacatecas) +
Elevation
0-1200[-2000] m +
Epidermis arrangement
not separating +
Epidermis condition
intact +
Floral remnant duration
persistent +
Flower architecture
sessile +
Flower architecture or arrangement or growth form
solitary +
Flower architecture or shape
symmetric +
Flower arrangement
arranged +
Flower duration
diurnal +
Flower length or size
long +
Flower quantity
1 +
Flower reproduction
bisexual +
Flower shape
tubular +, urceolate +  and salverform +
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 position
epigynous +
Flower tube prominence
conspicuous +
Flower tube some measurement
0.2 cm2 mm <br />0.002 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Fruit architecture
spineless +
Fruit architecture or pubescence
scaly +
Fruit architecture or shape
berrylike +
Fruit atypical length
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Fruit atypical width
1.2 cm12 mm <br />0.012 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
Fruit coloration
green;brownish purple +
Fruit condition
drying +
Fruit dehiscence
dehiscent +
Fruit duration
persistent +, long +  and deciduous +
Fruit length
0.7 cm7 mm <br />0.007 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
Fruit length or size
long +
Fruit pubescence
hairless +
Fruit shape
spheric +  and short cylindric +
Fruit texture
not juicy +
Fruit width
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Glochid presence
absent +
Groove presence
absent +
Groove prominence
conspicuous +
Habitat
Chihuahuan desert scrub, Tamaulipan thorn scrub, sedimentary, igneous, and alluvial substrates +
Hair density
dense +
Illustration
Present +
Illustration copyright
Flora of North America Association +
Illustrator
John Myers +
Inflorescence derivation
true +
Inner tepal coloration
Orange (?) +, Scarlet (?) +, Rose-pink (?) +  and Magenta (?) +
Inner tepal length
2.8 cm28 mm <br />0.028 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Inner tepal orientation
spreading +
Inner tepal shape
petal-like +
Inner tepal width
5mm;12mm +
Largest spine width
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Leaf architecture
sessile +
Leaf arrangement
alternate +
Leaf duration
deciduous +  and persistent +
Leaf presence
absent +
Leaf prominence
rudimentary +
Leaf shape
flat +  and terete +
Leaf size
nearly +  and microscopic +
Leaf some measurement
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Long-shoot architecture or pubescence or relief
smooth +
Long-shoot relief
tuberculate +
Long-shoot shape
fluted;spheric;depressed-spheric or club-shaped +
Longest spine architecture
grooved +
Longest spine atypical length
4.5 cm45 mm <br />0.045 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Longest spine length
20mm +  and 45mm +
Longest spine position
adaxial +
Longest spine prominence or shape
flat +
Longest spine quantity
3 +
Longest spine shape
Keeled (Terete) +
Longest spine some measurement
1.2 cm12 mm <br />0.012 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Longest spine width
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Margin coloration
white +
Margin shape
fringed +  and denticulate +
Margin texture
scarious +
Nectary prominence
apparent +
Number of lower taxa
0 +
Outer tepal architecture or shape
sepal-like +
Outer tepal shape
Fringed (?) +
Ovary architecture
spineless +
Ovary architecture or pubescence
scaly +
Ovary derivation
true +
Ovary position relational
surrounding +
Ovary prominence
sunken +
Ovary pubescence
hairless +
Perianth duration
deciduous +  and persistent +
Perianth position
epigynous +
Phenology
Flowering (Feb–May)Jul–Sep. +
Pistil architecture
compound +
Pistil architecture or structure in adjective form
1-locular +
Pith coating
not mucilaginous +
Pith texture
firm +
Placenta arrangement
parietal +
Placenta atypical quantity
14 (20) +
Placenta quantity
3;14 +
Plant life cycle
older +  and young +
Portion architecture or shape
spiny +
Portion arrangement
separated +
Portion life cycle
flowering +
Protuberance fusion
coalescent +
Protuberance shape
ridgelike +  and nipple--shaped +
Publication title
Bull. Torrey Bot. Clu b +
Publication year
1922 +
Radial shape
like +
Radial size
larger +
Reference
None +
Rib atypical quantity
13 (25) +
Rib diameter
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Rib orientation
vertical +
Rib presence
absent +
Rib quantity
8;13 +
Rib relief
tuberculate +
Rib shape
rounded +
Rib short-shoot architecture or shape
barbed +
Rib short-shoot size
minute +
Rib width
15mm;25mm +
Root density
diffuse +
Scale architecture or shape
leaflike +
Scale presence
absent +
Scale quantity
5 +  and 21 +
Scale shape
triangular +
Scale size
small +
Seed architecture
arillate +  and strophiolate +
Seed atypical quantity
0 (5) +
Seed coloration
dark-brown +  and black +
Seed diameter
0.4mm;12mm +
Seed length
0.14 cm1.4 mm <br />0.0014 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Seed quantity
1;3000 +
Seed relief
papillate +
Seed shape
cylindric;pyriform +
Seed size
constricted +
Seed some measurement
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Seed width
0.1 cm1 mm <br />0.001 m <br /> (0.175 cm1.75 mm <br />0.00175 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 407.xml +
Special status
Illustrated +
Spine architecture
bristlelike +
Spine architecture or pubescence or relief
smooth +
Spine architecture or shape
ribbonlike +
Spine arrangement
radial +
Spine atypical length
3.5 cm35 mm <br />0.035 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
Spine atypical quantity
20 (27) +
Spine atypical some measurement
7.5 cm75 mm <br />0.075 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Spine coloration
red-and-white +
Spine coloration or pubescence or relief
striate +
Spine course
straight +
Spine duration
deciduous +  and persistent +
Spine fragility
pliable +
Spine length
9mm +  and 35mm +
Spine position
adaxial +
Spine presence
absent +
Spine prominence or shape
flat +
Spine pubescence
glabrous +
Spine pubescence or relief
rough +
Spine quantity
9 (?) +  and 18 (?) +
Spine shape
ribbonlike +, bladelike +  and flattened +
Spine some measurement
1.6 cm16 mm <br />0.016 m <br /> (7.5 cm75 mm <br />0.075 m <br />) +
Spine texture
hard +  and rigid +
Spine width
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Spine width or width
0-4 times wider than thick +
Stamen quantity
50;1500 +
Stamen shape
decurrent +
Stem apex atypical length
8 cm80 mm <br />0.08 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Stem apex atypical width
6.5 cm65 mm <br />0.065 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Stem apex length
4 cm40 mm <br />0.04 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Stem apex width
4 cm40 mm <br />0.04 m <br /> (6.5 cm65 mm <br />0.065 m <br />) +
Stem architecture
unsegmented +
Stem atypical width
10 cm100 mm <br />0.1 m <br /> (18 cm180 mm <br />0.18 m <br />) +
Stem coloration
greenish +
Stem height or length or size
short +
Stem length
3 cm30 mm <br />0.03 m <br /> (38 cm380 mm <br />0.38 m <br />) +
Stem prominence
hidden +
Stem pubescence
glabrous +
Stem quantity
1/2 +
Stem shape
usually ovoid +  and cylindric +
Stem texture
succulent +
Stem width
4cm;10cm +
Stigma lobe atypical quantity
14 (20) +
Stigma lobe coloration
reddish +  and red-orange or pale reddish-brown or yellowish +
Stigma lobe quantity
7;13 +
Stigma lobe some measurement
4.5 cm45 mm <br />0.045 m <br /> (?) +
Stipule presence
absent +
Style quantity
1 +
Surface architecture or shape
ribbed +
Surface atypical length
18 cm180 mm <br />0.18 m <br /> (38 cm380 mm <br />0.38 m <br />) +
Surface atypical width
10 cm100 mm <br />0.1 m <br /> (13 cm130 mm <br />0.13 m <br />) +
Surface length
7.5 cm75 mm <br />0.075 m <br /> (18 cm180 mm <br />0.18 m <br />) +
Surface life cycle
maturity +
Surface prominence
concealed +
Surface relief
tuberculate +
Surface texture
woody +
Surface width
5 cm50 mm <br />0.05 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Synonyms
Thelocactus bicolor var. schottii +  and Thelocactus bicolor var. tricolor +
Taproot architecture
adventitous +
Taproot density
diffuse +
Taproot derivation
adventitious +
Taproot height or length or size
short +
Taproot shape
tuberlike +
Taxon family
Cactaceae +
Taxon habitat
epipetric +  and epiphytic +
Taxon name
Thelocactus bicolor var. bicolor +
Taxon parent
Thelocactus bicolor +
Taxon rank
variety +
Tepal quantity
5;50 +
Testa cell shape
convex +
Testa reflectance
dull +  and glossy +
Tubercle arrangement
confluent +
Tubercle fusion
distinct +
Tubercle presence
absent +
Tubercle prominence
prominent +
Tubercle shape
compressed +, pyramidal +, conic +  and rounded +
Volume
Volume 4 +
Whole organism architecture
unbranched +, branched +  and few +
Whole organism architecture or arrangement or growth form
solitary +
Whole organism duration
perennial +
Whole organism growth form
plant +
Whole organism habitat
epiphytic;epiphytic;epiphytic +
Whole organism height or length or size
short +
Whole organism location
deep-seated +
Whole organism orientation
erect +
Whole organism shape
barrel-shaped +  and spheric +
X chromosome quantity
11 +