familySaxifragaceae
genusSaxifraga
speciesSaxifraga flagellaris
subspeciesSaxifraga flagellaris subsp. platysepala

Saxifraga flagellaris subsp. platysepala

(Trautvetter) A. E. Porsild

Bot. Tidsskr. 51: 295. 1954,.

Luc Brouillet, Patrick E. Elvander†
Illustrated
Basionym: Saxifraga flagellaris var. platysepala Trautvetter in A. T. von Middendorff, Reise Siber. 1(2): 42. 1847
Synonyms: Saxifraga platysepala
Treatment appears in FNA Volume 8. Treatment on page 139. Mentioned on page 138.
Please click on the illustration for a higher resolution version.
Illustrator: Linny Heagy

Copyright: Flora of North America Association

Inflorescences 1–4 (–6) cm; bract blade longer than internode. Flowers: hypanthia black-tipped stipitate-glandular; sepals reddish purple, ovate, black-tipped stipitate-glandular; petals broadly obovate, length 2+ times sepals; ovary ca. 1/2 inferior. 2n = 32.


Phenology: Flowering summer.
Habitat: Sandy or gravelly arctic tundra, rocky mountain slopes, damp, open ground, often coastal
Elevation: 0-1500 m

Distribution

V8 274-distribution-map.gif

Greenland, N.W.T., Nunavut, Alaska, Atlantic Islands (Svalbard)

Discussion

Selected References

None.

Lower Taxa

None.

"full" is not a number.

... more about "Saxifraga flagellaris subsp. platysepala"
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2n chromosome quantity
32 +
Androecium position
epigynous +, perigynous +  and hypogynous +
Anther dehiscence
dehiscent +
Apex architecture
palmate +  and pinnate +
Apex shape
mucronate +, acute +  and more or less obtuse +
Author
Luc Brouillet +  and Patrick E. Elvander† +
Authority
(Trautvetter) A. E. Porsild +
Base shape
cuneate +  and cordate +
Basionyms
Saxifraga flagellaris var. platysepala +
Blade arrangement or shape
elliptic +
Blade margin architecture or shape
dentate +, serrate +  and entire +
Blade margin pubescence
glandular-ciliate +  and ciliate +
Blade margin shape
crenate +
Blade shape
unlobed +, elliptic +  and obovate +
Blade some measurement
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Blade texture
fleshy +
Bract architecture
sessile +
Bract blade length or size
longer +
Capsule architecture or shape
2(-3)-beaked +
Carpel architecture
3-carpellate +  and 2-carpellate +
Carpel fusion
distinct +  and connate +
Carpel placentation
appearing +  and axile +
Carpel position
marginal +
Carpel quantity
1/4 (1/2) +
Caudex architecture or pubescence
scaly +
Caudex texture
not fleshy +
Cauline leaf quantity
1 (5) +
Clump architecture or arrangement or growth form
solitary +
Cyme architecture
ebracteate +, bracteate +  and 2-300(-1000+)-flowered +
Cyme architecture or arrangement
lax +
Cyme orientation
arising +
Cyme position
axillary +
Distal margin architecture or pubescence or shape
ciliate +
Distribution
Greenland +, N.W.T. +, Nunavut +, Alaska +  and Atlantic Islands (Svalbard) +
Elevation
0-1500 m +
Embryo course
straight +
Endosperm coating
oily +
Endosperm quantity
copious +
Filament arrangement or course or shape
linear +
Filament shape
flattened +
Flower architecture
bracteate +  and 2-200[-1000]-flowered +
Flower architecture or arrangement or growth form
solitary +
Flower architecture or shape
symmetric +
Flower coloration
purplish-tipped +
Flower position or structure subtype
terminal +
Flower pubescence
stipitate-glandular +
Flower reproduction
bisexual +
Flower some measurement
1 cm10 mm <br />0.01 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Flowering-stem architecture
leafy +
Flowering-stem atypical some measurement
40 cm400 mm <br />0.4 m <br /> (100 cm1,000 mm <br />1 m <br />) +
Flowering-stem height or length or size
short +
Flowering-stem orientation
Erect (?) +
Flowering-stem presence
absent +
Flowering-stem pubescence
Long-stipitate-glandular (Glabrous) +
Flowering-stem some measurement
1 cm10 mm <br />0.01 m <br /> (40 cm400 mm <br />0.4 m <br />) +
Fruit architecture
capsular +
Fruit architecture or shape
2-3(-4)-beaked +  and folliclelike +
Fruit arrangement or dehiscence
valvate +
Fruit dehiscence
septicidal +
Fruit position
superior +
Habitat
Sandy or gravelly arctic tundra, rocky mountain slopes, damp, open ground, often coastal +
Hair architecture
multicellular +
Herbage pubescence
glabrous +, stipitate-glandular +  and hairy +
Hypanthium architecture
black-tipped +
Hypanthium coloration
pink +  and purple +
Hypanthium fusion
free +  and adnate +
Hypanthium pubescence
stipitate-glandular +
Hypanthium quantity
1/4;3/4 +
Illustration
Present +
Illustration copyright
Flora of North America Association +
Illustrator
Linny Heagy +
Inflorescence architecture
2-3(-5)-flowered +
Inflorescence atypical some measurement
4 cm40 mm <br />0.04 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Inflorescence some measurement
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Leaf architecture
simple +
Leaf arrangement
alternate +
Leaf position
cauline +  and basal +
Leaf size
reduced +
Margin architecture
stipitate +
Margin architecture or shape
entire +
Margin pubescence
glandular-ciliate +
Nectary disc presence
absent +
Nectary disc quantity
not +
Number of lower taxa
0 +
Ovary architecture or structure in adjective form
2-locular +
Ovary arrangement
parietal +
Ovary fusion
connate +
Ovary placentation
axile +
Ovary position
inferior +
Ovary quantity
1/2 +
Ovary some measurement
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
Ovary variability
varying +
Ovule architecture
crassinucellate +, unitegmic +  and bitegmic +
Ovule orientation
anatropous +
Perianth position
epigynous +, perigynous +  and hypogynous +
Petal atypical quantity
1 (5) +
Petal atypical some measurement
0.9 cm9 mm <br />0.009 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Petal coloration
not spotted +  and yellow +
Petal fusion
distinct +
Petal length
2+ times sepals +
Petal length or size
longer +
Petal presence
absent +
Petal quantity
5 +
Petal shape
obovate +
Petal some measurement
0.4 cm4 mm <br />0.004 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Petiole architecture
peltate +  and jointed +
Petiole presence
absent +
Phenology
Flowering summer. +
Pistil fusion
connate +
Pistil quantity
1 +
Pistil size
unequal +
Pistil variability
equal +
Portion fusion
free +
Publication title
Bot. Tidsskr. +
Publication year
1753 +
Reference
None +
Seed architecture
winged +
Seed architecture or pubescence or relief
smooth +
Seed architecture or shape
spiny +  and ribbed +
Seed coloration
brown +
Seed course
straight +
Seed prominence or shape
flat +
Seed pubescence or relief
warty +
Seed quantity
5;200 +
Seed relief
papillate +, tuberculate +  and smooth +
Seed shape
ovoid +, ellipsoid +  and oblong +
Sepal architecture
black-tipped +
Sepal atypical quantity
5 (6) +
Sepal coloration
reddish purple +
Sepal coloration or density
purple +
Sepal fusion
distinct +
Sepal orientation
erect +
Sepal pubescence
stipitate-glandular +
Sepal quantity
5 +
Sepal shape
ovate +
Side quantity
1 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V8/V8 274.xml +
Special status
Illustrated +
Stamen atypical quantity
5 (9) +
Stamen quantity
10 +
Staminode presence
absent +
Stem architecture
unbranched +  and branched +
Stem duration
persistent +
Stem orientation
horizontal +  and erect +
Stigma architecture or shape
capitate +
Stigma atypical quantity
3 (4) +
Stigma quantity
2 +
Stipule presence
absent +
Style atypical quantity
3 (4) +
Style fusion
connate +  and distinct +
Style quantity
2 +
Surface pubescence
stipitate-glandular +  and glabrous +
Synonyms
Saxifraga platysepala +
Taxon family
Saxifragaceae +
Taxon name
Saxifraga flagellaris subsp. platysepala +
Taxon parent
Saxifraga flagellaris +
Taxon rank
subspecies +
Terminal flower architecture or arrangement or growth form
solitary +
Terminal opening width
broad +
Ultimate margin architecture or shape
dentate +, serrate +  and entire +
Ultimate margin shape
crenate +
Volume
Volume 8 +
Whole organism architecture
rhizomatous +  and stoloniferous +
Whole organism duration
perennial +
Whole organism growth form
plant +
X chromosome quantity
14 +, 13 +, 11 +, 8 +  and 6 +