Information for "Potamogeton obtusifolius"

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Display titlePotamogeton obtusifolius
Default sort keyPotamogeton obtusifolius
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Page ID24105
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Page creatorimported>Volume Importer
Date of page creation01:01, 30 July 2020
Latest editorimported>Volume Importer
Date of latest edit01:01, 30 July 2020
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... more about "Potamogeton obtusifolius"
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2n chromosome quantity
26 +
Adnation position relational
past +
Angle quantity
90 +
Anther dehiscence
dehiscing +
Anther fusion
distinct +
Apex shape
round-apiculate +, obtuse +, not hoodlike +  and apiculate +
Author
Robert R. Haynes +  and C. Barre Hellquist +
Authority
Mertens & W. D. J. Koch in J. C. Röhling et al. +
Base architecture
perfoliate +
Base architecture or fixation
not clasping +
Base arrangement or relief
not corrugate +
Base shape
tapering +
Beak orientation
erect +
Beak some measurement
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Blade arrangement or course or shape
linear +
Blade coloration
reddish +  and light green to somewhat +
Blade coloration or reflectance
translucent +
Blade course or shape
not arcuate +
Blade length
3 cm30 mm <br />0.03 m <br /> (8.2 cm82 mm <br />0.082 m <br />) +
Blade shape
elliptic;ovate +
Blade texture
leathery +
Blade width
0.1 cm1 mm <br />0.001 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Cauline stem shape
compressed +
Cauline stem some measurement
35 cm350 mm <br />0.35 m <br /> (90 cm900 mm <br />0.9 m <br />) +
Common name
Potamot à feuilles obtuses +
Distribution
Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.W.T. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Alaska +, Conn. +, Idaho +, Maine +, Mass. +, Mich. +, Minn. +, Mont. +, N.H. +, N.J. +, N.Y. +, Pa. +, R.I. +, Vt. +, Wash. +, Wis. +, Wyo. +  and Eurasia +
Elevation
50–2000 m +
Embryo architecture
coiled +
Embryo course
curved +
Embryo quantity
1 +
Flower presence
absent +
Flower reproduction
bisexual +
Fruit architecture
sessile +
Fruit architecture or shape
beaked +
Fruit coloration
olive-green +  and brown +
Fruit length
0.25 cm2.5 mm <br />0.0025 m <br /> (0.36 cm3.6 mm <br />0.0036 m <br />) +
Fruit shape
not +, keeled +, turgid +  and obovoid +
Fruit width
0.17 cm1.7 mm <br />0.0017 m <br /> (0.24 cm2.4 mm <br />0.0024 m <br />) +
Gland coloration
yellow-green +  and gold +
Gland diameter
0.02 cm0.2 mm <br />2.0e-4 m <br /> (?) +  and 0.1 cm1 mm <br />0.001 m <br /> (?) +
Habitat
Medium- to low-alkaline waters of lakes and slow-flowing streams +
Illustration
Present +
Illustration copyright
Flora of North America Association +
Illustrator
John Myers +
Inflorescence architecture
unbranched +
Inflorescence architecture or shape
sheathing +
Inflorescence life cycle
young +
Inflorescence location
emersed +
Inflorescence orientation
projecting +
Inflorescence position
axillary +  and terminal +
Inflorescence shape
cylindric +  and capitate +
Inner leaf development
unmodified +
Inner leaf orientation
oriented +
Inner leaf prominence
undifferentiated +
Inner leaf quantity
1 (10) +
Inner leaf shape
rolled +
Internode length
shortened +
Leaf architecture
sessile +
Leaf arrangement
arranged +  and 2-ranked +
Leaf growth form or location
floating +
Leaf location
submersed +
Leaf reproduction
vegetative +
Leaf texture
flaccid +
Ligule fusion
free +
Ligule position relational
past +
Margin architecture or shape
entire +
Margin shape
not crispate +
Number of lower taxa
0 +
Outer leaf quantity
3 (4) +
Ovule orientation
orthotropous +
Ovule position
marginal +
Panicle architecture
not pedunculate +
Panicle location
emersed +  and submersed +
Panicle shape
cylindric +  and capitate +
Peduncle arrangement
not spiraling +
Peduncle atypical some measurement
1.9 cm19 mm <br />0.019 m <br /> (4.2 cm42 mm <br />0.042 m <br />) +
Peduncle fragility
stiff +
Peduncle growth form
not dimorphic +
Peduncle length or size
long +
Peduncle orientation
recurved;erect +
Peduncle position
axillary +
Peduncle shape
cylindric +
Peduncle some measurement
0.8 cm8 mm <br />0.008 m <br /> (1.9 cm19 mm <br />0.019 m <br />) +
Phenology
Flowering and fruiting summer–fall. +
Pistil architecture
short-stipitate +  and stipitate +
Pistil quantity
4 +  and 1 +
Pollen shape
spheric +
Publication title
in J. C. Röhling et al.,Deutschl. Fl., ed. 3 +
Publication year
1823 +
Reference
None +
Rhizome presence
absent +
Row quantity
1;3 +
Scar architecture
ligulate +
Scar arrangement or shape
circular +
Scar shape
auriculate +  and not auriculate +
Seed quantity
1 +
Series quantity
1 +
Sheath duration
not persisting +
Sheath length or size
longer +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/62857cf6bca5c4637d27b113da92d27dbf9962f4/V22/V22 635.xml +
Special status
Illustrated +
Spike architecture or shape
capitate +
Spike growth form
not dimorphic +
Spike location
emersed +  and submersed +
Spike shape
cylindric +
Spike some measurement
0.8 cm8 mm <br />0.008 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Stamen position
epitepalous +
Stamen quantity
4 +
Stem architecture or shape
sheathing +
Stem shape
compressed;terete +
Stipule architecture
not ligulate +
Stipule arrangement or shape
convolute +
Stipule character
length +
Stipule coloration
white +
Stipule duration
persistent +
Stipule fusion
free +
Stipule prominence
inconspicuous +
Stipule shape
tubular +
Stipule some measurement
0.6 cm6 mm <br />0.006 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
Stipule texture
fibrous +
Structure shape
fusiform +
Taxon family
Potamogetonaceae +
Taxon name
Potamogeton obtusifolius +
Taxon parent
Potamogeton +
Taxon rank
species +
Tepal quantity
4 +
Tuber presence
absent +
Turion length
3.5 cm35 mm <br />0.035 m <br /> (7.8 cm78 mm <br />0.078 m <br />) +
Turion position or structure subtype
terminal +
Turion presence
absent +
Turion pubescence or texture
soft +
Turion quantity
abundant +
Turion shape
divided +
Turion width
0.23 cm2.3 mm <br />0.0023 m <br /> (0.51 cm5.1 mm <br />0.0051 m <br />) +
Vein quantity
3 (?) +
Volume
Volume 22 +
Whole organism architecture
caulescent +, not rhizomatous +  and rhizomatous +
Whole organism duration
annual +  and perennial +
Whole organism growth form
herb +
X chromosome quantity
14 +  and 13 +