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Achene architecture or shape
isodiametric +
Achene coloration
pale-brown +
Achene length
0.17 cm1.7 mm <br />0.0017 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
Achene relief
sculptured +
Achene shape
obpyriform;biconvex +
Achene size
constricted +
Achene some measurement
1.4mm;3mm +
Achene width
1.2mm;1.5mm +
Anther coloration
reddish-brown +
Anther fixation
basifixed +
Anther some measurement
0.15 cm1.5 mm <br />0.0015 m <br /> (0.19 cm1.9 mm <br />0.0019 m <br />) +
Apex length
prolonged +
Apex shape
rounded;acute +
Apex size
constricted +
Author
M. Socorro González-Elizondo +
Authority
(Lindley & Nees) Steudel +
Awn shape
flattened +
Awn some measurement
0 cm0 mm <br />0 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Base duration
persistent +
Base size
enlarged +
Basionyms
Limnochloa obtusetrigona +
Blade presence
absent +
Bract architecture
glumaceous +  and foliaceous +
Bract arrangement
2-ranked +  and arranged +
Bract height or length or size
short +
Bract orientation
ascending +  and appressed +
Bract quantity
1;many +
Branch atypical quantity
3 (4) +
Branch quantity
2;3 +
Bristle atypical quantity
6;30 +
Bristle quantity
3;6 +
Cauline leaf architecture or shape
folded +
Cauline leaf arrangement
parallel +  and divergent +
Cauline leaf arrangement or course or shape
linear +
Cauline leaf orientation
Ascending (?) +
Cauline leaf prominence or shape
flat +
Cauline leaf shape
terete +, rolled +  and plicate +
Cavity position
internal +
Cell length
Elongated (?) +
Cell size
enlarged +
Culm architecture
hollow +
Culm architecture or arrangement or growth form
solitary +
Culm atypical width
0.2 cm2 mm <br />0.002 m <br /> (0.36 cm3.6 mm <br />0.0036 m <br />) +
Culm length
40 cm400 mm <br />0.4 m <br /> (110 cm1,100 mm <br />1.1 m <br />) +
Culm pubescence or texture
soft +
Culm shape
filiform +, not septate-nodulose +, obscurely 3-5-angled +  and terete +
Culm texture
flaccid;spongy +
Culm width
3.6mm;7.5mm +
Distal scale architecture
empty +
Distal sheath duration
persistent +
Distal sheath texture
Membranous (?) +
Distribution
Tex. +, e Mexico +, Central America (Nicaragua) +  and South America +
Elevation
0–20 m +
Embryo position
basal +
Endosperm quantity
abundant +
Face architecture or pubescence or relief
smooth +
Floral scale arrangement
spiraled +
Floral scale coloration
greenish +  and pale-brown +
Floral scale quantity
1 (3) +
Floral scale some measurement
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Floral scale texture
papery +  and cartilaginous +
Flower position
subtending +
Flower quantity
single +
Flower reproduction
bisexual +
Fruits achene shape
biconvex +  and trigonous +
Habitat
Fresh, permanent water in ditches +
Illustration
Present +
Illustration copyright
Flora of North America Association +
Illustrator
Elizabeth Zimmerman +
Inflorescence position or structure subtype
terminal +
Inflorescences panicle architecture
pseudoumbel +
Inflorescences panicle development
modified +
Involucral-bract presence
absent +
Leaf arrangement
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
Leaf position
basal +
Leaf quantity
2 (?) +
Ligule presence
absent +
Locule quantity
1 +
Longer internode some measurement
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Margin architecture or shape
spinulose +
Margin coloration
reddish +  and pale-brown +
Margin coloration or reflectance
translucent +
Margin fragility or size
stout +
Margin fusion
fused +
Margin length
0.43 cm4.3 mm <br />0.0043 m <br /> (0.58 cm5.8 mm <br />0.0058 m <br />) +
Margin position
subapical +
Margin pubescence or texture
cartilaginous +
Margin shape
flattened;ovate;oblong +
Margin size
subequal +
Margin some measurement
2.5mm;3.2mm +
Margin texture
membranous +
Margin width
2.5mm +  and 3.3mm +
Mucro shape
flattened +
Mucro some measurement
0 cm0 mm <br />0 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Neck fusion
distinct +
Neck width
0.05 cm0.5 mm <br />5.0e-4 m <br /> (?) +  and 0.06 cm0.6 mm <br />6.0e-4 m <br /> (?) +
Number of lower taxa
0 +
Perianth bristle quantity
6 +  and 7 +
Perianth life cycle
falling +
Perianth presence
absent +
Perianth quantity
with (1-)3-6(-30) bristles and/or scales +
Pericarp width
thin +
Phenology
Fruiting spring–fall. +
Pistil architecture
2-3(-4)-carpellate +
Pistil fusion
fused +
Pistil quantity
1 +
Prophyll architecture
pistillate +
Prophyll atypical quantity
0 (3) +
Prophyll position
subtending +
Prophyll quantity
3 (?) +  and 1 (?) +
Proximal scale architecture
amplexicaulous +
Proximal scale atypical quantity
2 (3) +
Proximal scale coloration
stramineous;medium brown or red brown or blackish brown +
Proximal scale quantity
1 +  and 2 +
Proximal scale some measurement
0.36 cm3.6 mm <br />0.0036 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
Publication title
Syn. Pl. Glumac. +
Publication year
1855 +
Reference
None +
Remnant architecture or shape
winglike +
Remnant prominence
obscure +
Rhizome growth form or orientation
creeping +
Rhizome length or size
long +
Rhizome orientation
ascending +  and horizontal +
Rhizome presence
absent +
Rhizome shape
caudex-like +
Rhizome texture
soft;hard +
Rhizome thickness
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Root derivation
adventitious +
Root texture
fibrous +
Row dehiscence or orientation
longitudinal +
Row quantity
10;15 +
Scale architecture
empty +
Scale arrangement
arranged +
Scale atypical quantity
6 (30) +
Scale position
basal +  and proximal +
Scale quantity
4;500 +
Scale reproduction
fertile +
Scale shape
2-keeled +
Seed quantity
1 +
Septum architecture
incomplete +
Septum dehiscence or orientation
transverse +
Sheath shape
cylindric +
Slender portion shape
bladelike +
Slender portion some measurement
0 cm0 mm <br />0 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V23/V23 180.xml +
Special status
Illustrated +
Spike quantity
single +
Spikelet atypical some measurement
6mm;9mm +
Spikelet length
1.2 cm12 mm <br />0.012 m <br /> (4.3 cm43 mm <br />0.043 m <br />) +
Spikelet quantity
1 +
Spikelet reproduction
not proliferous +
Spikelet shape
terete;cylindric;narrowly ellipsoid +
Spikelet some measurement
0.9 cm9 mm <br />0.009 m <br /> (7.5 cm75 mm <br />0.075 m <br />) +
Spikelet width
3.5mm;6mm +
Spinule architecture or shape
spinulose +
Spinule coloration
reddish +  and pale-brown +
Spinule fragility or size
stout +
Spinule shape
flattened +
Spinule size
subequal +
Spinule some measurement
0.25 cm2.5 mm <br />0.0025 m <br /> (0.32 cm3.2 mm <br />0.0032 m <br />) +
Stamen atypical quantity
1 (3) +
Stamen fusion
distinct +
Stamen quantity
1 +  and 3 +
Stem architecture
septate +, hollow +  and solid +
Stem shape
compressed +, terete +  and trigonous +
Stigma relief
papillate +
Style architecture or shape
undivided +
Style arrangement or course or shape
linear +
Style shape
2-fid +  and 3-fid +
Submarginal band coloration
pale +  and dark-brown +
Synonyms
E. fistulosa var. obtusetrigona +  and E. mutata var. obtusetrigona +
Taxon family
Cyperaceae +
Taxon name
Eleocharis obtusetrigona +
Taxon parent
Eleocharis subg. Limnochloa +
Taxon rank
species +
Testa fusion
free +
Testa width
thin +
Tuber presence
absent +
Tubercle coloration
stramineous +
Tubercle fusion
distinct +
Tubercle length
0.8mm;1.1mm +
Tubercle shape
lamelliform +  and high-pyramidal +
Tubercle texture
merging +
Tubercle width
0.7mm +  and 0.9mm +
Vein arrangement
close +
Vein dehiscence or orientation
longitudinal +
Vein prominence
obscure +
Volume
Volume 23 +
Whole organism architecture
stoloniferous +  and rhizomatous +
Whole organism duration
perennial +
Whole organism growth form
plant +
X chromosome quantity
5;100 +