familyCactaceae
subfamilyCactaceae subfam. Opuntioideae
genusOpuntia
speciesOpuntia humifusa
varietyOpuntia humifusa var. humifusa

Opuntia humifusa var. humifusa

Donald J. Pinkava
IllustratedEndemic
Synonyms: Opuntia austrina Small Opuntia calcicola Wherry Opuntia compressa var. austrina (Small) L. D. Benson Opuntia humifusa var. ammophila (Small) Dress Opuntia humifusa var. austrina Opuntia impedata Opuntia rafinesquei
Treatment appears in FNA Volume 4. Treatment on page 131. Mentioned on page 122.
Please click on the illustration for a higher resolution version.
Illustrator: John Myers

Copyright: Flora of North America Association

Shrubs forming clumps, often prostrate, usually only 1 or 2 stem segments tall, to 0.5 m. Stem segments fleshy, flabby, or firm, cross-wrinkled under stress. 2n = 22, 44.


Phenology: Flowering spring–summer (Feb–Aug).
Habitat: Sandy habitats, openings on dry, sometimes wooded hillsides
Elevation: 0-1000 m

Distribution

V4 243-distribution-map.gif

Ont., Ala., Ark., Conn., Del., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Md., Mass., Mich., Minn., Miss., Mo., Nebr., N.J., N.Y., N.C., Ohio, Okla., Pa., R.I., S.C., S.Dak., Tenn., Tex., Va., W.Va., Wis.

Discussion

Selected References

None.

Lower Taxa

None.

"thickish" is not a number.

... more about "Opuntia humifusa var. humifusa"
RDF feed
2n chromosome quantity
44 +  and 22 +
Age architecture
continuous +
Anther coloration
pale-yellow +  and cream +
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 diameter
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Areole duration
deciduous +  and persistent +
Areole length
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Areole presence
absent +
Areole prominence
Sunken (Not raised) +
Areole quantity
10 +  and 18 +
Areole shape
oval +  and circular +
Areole width
0.1 cm1 mm <br />0.001 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Author
Donald J. Pinkava +
Authority
(Rafinesque) Rafinesque +
Basionyms
Cactus humifusus +
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 +
Depression depth
shallow +
Depression quantity
1 (4) +
Depression size
large +
Distribution
Ont. +, Ala. +, Ark. +, Conn. +, Del. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Md. +, Mass. +, Mich. +, Minn. +, Miss. +, Mo. +, Nebr. +, N.J. +, N.Y. +, N.C. +, Ohio +, Okla. +, Pa. +, R.I. +, S.C. +, S.Dak. +, Tenn. +, Tex. +, Va. +, W.Va. +  and Wis. +
Elevation
0-1000 m +
Envelope derivation
funicular +
Envelope texture
osseous +
Epidermis arrangement
separating +
Epidermis condition
intact +
Filament coloration
yellow +  and orange +
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
apricot;brownish red +
Fruit condition
drying +
Fruit condition or texture
dry +
Fruit course
straight +
Fruit dehiscence
indehiscent +
Fruit duration
persistent +, long +  and deciduous +
Fruit length
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Fruit life cycle
proliferating +
Fruit relief
tuberculate +  and smooth +
Fruit shape
tapering +  and elongate +
Fruit texture
fleshy +
Fruit width
1.2 cm12 mm <br />0.012 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Girdle prominence
protruding +
Girdle some measurement
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Glochid coloration
Yellow (Redbrown) +
Glochid presence
absent +
Glochid some measurement
0 cm0 mm <br />0 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Grain relief
foveolate +  and reticulate +
Habitat
Sandy habitats, openings on dry, sometimes wooded hillsides +
Hair density
dense +
Illustration
Present +
Illustration copyright
Flora of North America Association +
Illustrator
John Myers +
Inflorescence derivation
true +
Inner tepal architecture or shape
emarginate-apiculate +
Inner tepal coloration
Pale (?) +  and Bright-yellow (?) +
Inner tepal diameter
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Inner tepal shape
oblong +  and spatulate +
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 spring–summer (Feb–Aug). +
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
Med. Fl. +
Publication year
1830 +
Pulp coloration
reddish +  and green +
Pulp taste
sweet +  and sour +
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 +
Rootstock shape
tuberlike +
Scar depth
deep +
Scar prominence or shape
flat +
Seed arrangement
adjacent +
Seed atypical quantity
0 (5) +
Seed coloration
tan +
Seed development
developing +
Seed diameter
3.5mm;4.5mm +
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
warped;generally circular;reniform flattened +
Seed some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Segment duration
persistent +
Segment fragility
detachable +
Segment height
tall +
Segment shape
flattened;obovoid +
Segment some measurement
0 cm0 mm <br />0 m <br /> (50 cm500 mm <br />0.5 m <br />) +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V4/V4 243.xml +
Special status
Illustrated +  and Endemic +
Spine architecture
not sheathed +
Spine architecture or pubescence or relief
smooth +
Spine architecture or shape
barbed +
Spine atypical quantity
2 (3) +
Spine atypical some measurement
7.5 cm75 mm <br />0.075 m <br /> (17 cm170 mm <br />0.17 m <br />) +
Spine coloration
whitish +  and brownish +
Spine course
straight +
Spine duration
deciduous +  and persistent +
Spine fragility
pliable +
Spine fragility or size
stout +
Spine life cycle
aging +
Spine orientation
deflexed +  and spreading +
Spine presence
absent +
Spine prominence
conspicuous +
Spine pubescence
with hairlike bristles +  and setose +
Spine quantity
1 (?) +  and 2 (?) +
Spine relief or texture
roughened +
Spine shape
terete +
Spine size
Slender (Stout) +
Spine some measurement
2.5 cm25 mm <br />0.025 m <br /> (6 cm60 mm <br />0.06 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 architecture
not disarticulating +
Stem segment arrangement or shape
circular +
Stem segment atypical length
60 cm600 mm <br />0.6 m <br /> (120 cm1,200 mm <br />1.2 m <br />) +
Stem segment coloration
green +, shiny +, bright +  and dark +
Stem segment length
5 cm50 mm <br />0.05 m <br /> (17.5 cm175 mm <br />0.175 m <br />) +
Stem segment pubescence
glabrous +
Stem segment relief
cross-wrinkled +
Stem segment shape
Circular (Broadly oblong) +
Stem segment texture
firm +  and fleshy +
Stem segment width
4 cm40 mm <br />0.04 m <br /> (12 cm120 mm <br />0.12 m <br />) +
Stem shape
segmented +
Stem texture
woody +  and succulent +
Stigma lobe atypical quantity
14 (20) +
Stigma lobe coloration
white +
Stigma lobe quantity
1;3;14 +
Stipule presence
absent +
Style coloration
white +
Style quantity
1 +
Synonyms
Opuntia austrina +, Opuntia calcicola +, Opuntia compressa var. austrina +, Opuntia humifusa var. ammophila +, Opuntia humifusa var. austrina +, Opuntia impedata +  and Opuntia rafinesquei +
Taproot derivation
adventitious +
Taproot shape
tuberlike +
Taxon family
Cactaceae +
Taxon habitat
epipetric +  and epiphytic +
Taxon name
Opuntia humifusa var. humifusa +
Taxon parent
Opuntia humifusa +
Taxon rank
variety +
Tepal quantity
5;50 +
Testa reflectance
dull +  and glossy +
Tip coloration
yellow +  and paler +
Trunk shape
segmented +
Tubercle fusion
distinct +
Tubercle presence
absent +
Tuft density
dense +
Tuft shape
crescent +
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 growth form or orientation
prostrate +
Whole organism habitat
terrestrial;epiphytic or epipetric +
Whole organism orientation
erect +  and trailing +
Whole organism quantity
2 (?) +  and 1 (?) +
Wing prominence or shape
flat +
Wool coloration
tan +  and brown +
X chromosome quantity
11 +