familyAlismataceae
genusSagittaria
speciesSagittaria graminea
subspeciesSagittaria graminea subsp. chapmanii

Sagittaria graminea subsp. chapmanii

(J. G. Smith) R. R. Haynes & Hellquist

Novon 6: 370. 1996.

Robert R. Haynes, C. Barre Hellquist
Endemic
Basionym: Sagittaria graminea var. chapmanii J. G. Smith N. Amer. Sagittaria, 26, plate 21. 1894 (as chapmani)
Synonyms: Sagittaria chapmanii
Treatment appears in FNA Volume 22.

Phyllodia to 1 cm wide. Inflorescences panicles; pistillate pedicels 0.5–3 cm.


Phenology: Flowering summer–fall.
Habitat: Margins of swamps, ponds, and small streams
Elevation: 0–100 m

Distribution

V22 276-distribution-map.jpg

Ala., Fla., Ga., S.C.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Sagittaria graminea subsp. chapmanii"
RDF feed
Abaxial wing architecture or shape
entire +
Abaxial wing presence
absent +
Abaxial wing quantity
0 (1) +
Achene architecture or shape
beaked +
Achene length
0.15 cm1.5 mm <br />0.0015 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
Achene shape
oblanceoloid +
Achene width
1.1mm;1.5mm +
Anther architecture
2-loculed +
Anther dehiscence
dehiscing +
Apex relief
papillose +  and smooth +
Apex shape
obtuse +  and acute +
Author
Robert R. Haynes +  and C. Barre Hellquist +
Authority
(J. G. Smith) R. R. Haynes & Hellquist +
Basal lobe architecture or coloration or relief
reticulate +
Basal lobe presence
absent +
Base shape
attenuate;hastate or sagittate +
Basionyms
Sagittaria graminea var. chapmanii +
Beak orientation
erect +
Beak position
lateral +
Beak some measurement
0.2 cm2 mm <br />0.002 m <br /> (?) +
Blade length
2.5 cm25 mm <br />0.025 m <br /> (17.4 cm174 mm <br />0.174 m <br />) +
Blade shape
linear +  and linear-oblanceolate +
Blade width
0.2 cm2 mm <br />0.002 m <br /> (?) +  and 4 cm40 mm <br />0.04 m <br /> (?) +
Bract fragility
delicate +
Bract fusion
connate +
Bract height or length or size
shorter +
Bract orientation
spreading +
Bract relief
not papillose +  and coarse +
Bract shape
cylindric +, broadly subulate +  and lanceolate +
Bract some measurement
0.5 cm5 mm <br />0.005 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Bract variability
more than to equal to ¼ total length +
Corm presence
absent +
Distribution
Ala. +, Fla. +, Ga. +  and S.C. +
Elevation
0–100 m +
Embryo shape
u--shaped +
Endosperm presence
absent +
Face relief
not tuberculate +
Filament height or length or size
shorter +
Filament pubescence
pubescent +
Filament shape
dilated +
Flower architecture
pedicellate +  and pistillate +
Flower diameter
0.6 cm6 mm <br />0.006 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Flower position
hypogynous +
Flower position or shape
distal +
Flower reproduction
unisexual +
Fruit shape
not +, keeled +  and compressed +
Gland presence
absent +
Gland quantity
1 +  and 2 +
Habitat
Margins of swamps, ponds, and small streams +
Illustration copyright
Flora of North America Association +
Illustrator
John Myers +
Inflorescence arrangement
whorled +
Inflorescence growth form
decumbent +  and floating +
Inflorescence length
2.5 cm25 mm <br />0.025 m <br /> (21 cm210 mm <br />0.21 m <br />) +
Inflorescence location
emersed +
Inflorescence orientation
erect +
Inflorescence width
1 cm10 mm <br />0.01 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Lateral wing course
curved +
Lateral wing presence
absent +
Lateral wing quantity
1 +
Leaf architecture
petiolate +  and sessile +
Leaf architecture or shape
sheathing +
Leaf length
6.4 cm64 mm <br />0.064 m <br /> (35 cm350 mm <br />0.35 m <br />) +
Leaf location
emersed +  and submersed +
Leaf position
basal +
Leaf shape
flattened;angled +
Leaf width
0.5 cm5 mm <br />0.005 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Line coloration or relief
dots +
Margin architecture or shape
entire +
Marking coloration or reflectance
translucent +
Marking presence
absent +
Number of lower taxa
0 +
Ovule quantity
1 +
Panicle architecture
scapose +
Panicle arrangement
whorled +
Panicle growth form
decumbent +  and floating +
Panicle length
2.5cm;21cm +
Panicle location
emersed +
Panicle orientation
erect +
Panicle width
1 cm10 mm <br />0.01 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Pattern shape
starlike +
Pedicel architecture
pistillate +
Pedicel orientation
ascending +  and recurved +
Pedicel some measurement
0.5 cm5 mm <br />0.005 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Peduncle some measurement
6.5 cm65 mm <br />0.065 m <br /> (29.7 cm297 mm <br />0.297 m <br />) +
Petal architecture or shape
entire +
Petal coloration
white +
Petal duration
deciduous +
Petal fragility
delicate +
Petal quantity
3 +
Petiole shape
triangular +
Petiole some measurement
6.5 cm65 mm <br />0.065 m <br /> (17 cm170 mm <br />0.17 m <br />) +
Phenology
Flowering summer–fall. +
Phyllodium width
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Pistil architecture
1-loculed +
Pistil arrangement
not radiating +  and arranged +
Pistil fusion
distinct +
Pistil placentation
basal +
Pistil presence
absent +
Pistil quantity
0;1500 +
Primary-vein arrangement
parallel +
Publication title
Novon +
Publication year
1996 +
Raceme architecture
scapose +
Raceme arrangement
whorled +
Raceme growth form
decumbent +  and floating +
Raceme length
2.5 cm25 mm <br />0.025 m <br /> (21 cm210 mm <br />0.21 m <br />) +
Raceme location
emersed +
Raceme orientation
erect +
Raceme width
1 cm10 mm <br />0.01 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Receptacle shape
convex +
Reference
None +
Rhizome presence
absent +
Rhizome relief
coarse +
Rib dehiscence or orientation
longitudinal +
Root architecture
septate +
Sap coloration
milky +
Secondary-vein architecture or coloration or relief
reticulate +
Seed life cycle
mature +
Sepal duration
persistent +
Sepal orientation
recurved;spreading +
Sepal quantity
3 +
Sepal relief
sculptured +
Sepal texture
herbaceous;leathery +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/62857cf6bca5c4637d27b113da92d27dbf9962f4/V22/V22 276.xml +
Special status
Endemic +
Stamen fusion
distinct +
Stamen presence
absent +
Stamen quantity
7;30 +
Stamen reproduction
sterile +
Stolon presence
absent +
Style position or structure subtype
terminal +
Synonyms
Sagittaria chapmanii +
Taxon family
Alismataceae +
Taxon name
Sagittaria graminea subsp. chapmanii +
Taxon parent
Sagittaria graminea +
Taxon rank
subspecies +
Tuber architecture or pubescence or relief
smooth +
Tuber coloration
white;brown +
Volume
Volume 22 +
Whole organism architecture
floating-leaved +
Whole organism duration
perennial +
Whole organism growth form
herb +
Whole organism location
emersed +  and submersed +
Whole organism pubescence
glabrous +  and sparsely pubescent +
Whole organism some measurement
0cm (100cm) +
Whorl architecture
bracteolate +  and branching +
Whorl quantity
1;12 +
X chromosome quantity
11 +