familyPoaceae
subfamilyPoaceae subfam. Chloridoideae
tribePoaceae tribe Cynodonteae
genusTridens
speciesTridens muticus
varietyTridens muticus var. muticus

Difference between revisions of "Tridens muticus var. muticus"

Jesus Valdes-Reyna
Treatment appears in FNA Volume 25. Treatment on page 36.
imported>Volume Importer
 
(No difference)

Latest revision as of 03:35, 30 July 2020

Please click on the illustration for a higher resolution version.
Illustrator: Karen Klitz, Linda A. Vorobik

Copyright: Utah State University

Culms usually 20-50 cm. Blades 1-2 mm wide. Upper glumes 4-5 (6) mm, 1-veined.

Distribution

Ariz., N.Mex., Tex., Utah, Calif., Ark., Okla., Nev.

Discussion

Tridens muticus var. muticus is a common species on dry, sandy or clay soils in the arid southwestern United States and adjacent Mexico.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

... more about "Tridens muticus var. muticus"
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2n chromosome quantity
40 +
Abaxial ligule presence
absent +
Abaxial ligule quantity
common +
Adaxial cell presence
absent +
Adaxial cell shape
bulliform +
Adaxial cell structure in adjective form
stomatal +
Adaxial ligule architecture or pubescence or shape
ciliate +
Adaxial ligule length or size
longer +
Adaxial ligule presence
absent +
Adaxial ligule texture
membranous +
Anther coloration or density
reddish-purple +
Anther quantity
3 +
Anther some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Apex shape
rounded to truncate +
Apex shape or architecture
emarginate to bilobed +
Apical cell height or length or size
short +
Apical cell width
Wide (?) +
Arm cell anatomy
kranz +
Arm cell presence
absent +
Auricle presence
absent +
Author
Jesus Valdes-Reyna +
Authority
(Torr.) Nash +
Awn atypical quantity
1 (?) +  and 3 (?) +
Awn orientation
arising +
Awn quantity
multiple +, , +  and single +
Back shape
keeled +  and rounded +
Base architecture
rhizomatous +
Base arrangement
close +
Base fusion
not fused +
Base position
intravaginal +, extravaginal +, branching +  and basal +
Base shape
knotty +
Base size
swelling +
Base texture
membranous +
Base width
thick +
Blade architecture
not pseudopetiolate +
Blade architecture or arrangement
radiate +
Blade length
6 cm60 mm <br />0.06 m <br /> (25 cm250 mm <br />0.25 m <br />) +
Blade position
adaxial +
Blade pubescence
pilose +, scabrous +  and glabrous +
Blade shape
attenuate +, infolded +  and involute +
Blade width
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Branch orientation
erect +
Branch quantity
1;many +
Branch shape
spikelike +
Callus pubescence
pilose +  and glabrous +
Caryopsis coloration
dark-brown +
Caryopsis shape
reniform +  and compressed +
Caryopsis some measurement
0.15 cm1.5 mm <br />0.0015 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
Cell shape
triangular +  and dome--shaped +
Cilium architecture or pubescence or shape
ciliate +
Cilium length or size
sometimes longer +
Cilium texture
membranous +
Column quantity
single +
Culm architecture
branched +
Culm architecture or arrangement or growth form
solitary +
Culm duration
annual +
Culm growth form
climbing +
Culm growth form or location
floating +
Culm orientation
erect +
Culm pubescence
glabrous +
Culm some measurement
20 cm200 mm <br />0.2 m <br /> (50 cm500 mm <br />0.5 m <br />) +
Culm texture
not woody +
Distal floret height or length or size
shorter +
Distal floret size
reduced +
Distal floret variability
equaling +
Distribution
Ariz. +, N.Mex. +, Tex. +, Utah +, Calif. +, Ark. +, Okla. +  and Nev. +
Embryo architecture or shape
cleft +
Embryo presence
absent +
Embryo quantity
2/5 +
Embryo shape
not waisted +
Embryo size
large +
Endosperm texture
hard +
Filament shape
capillary +
Floret architecture
pistillate +  and staminate +
Floret arrangement
adjacent +
Floret atypical quantity
16 +
Floret height or length or size
shorter +
Floret length or size
sometimes longer +
Floret position or shape
distal +
Floret quantity
5 +  and 11 +
Floret reproduction
sterile +  and bisexual +
Floret shape
round +  and compressed +
Floret size
reduced +
Fusoid cell presence
absent +
Genus quantity
1 +
Glume architecture or shape
awned +
Glume coloration
purple-tinged +
Glume height or length or size
shorter +
Glume length or size
shorter or longer +
Glume position
subtending +
Glume pubescence
glabrous +
Glume quantity
2 +
Group quantity
3 +
Hair pubescence or texture
soft +
Hair quantity
lacking +
Hair relief
coarse +
Hair shape
uncinate +
Hair some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Hilum arrangement or course or shape
linear +
Hilum coloration or relief
punctate +
Hilum height or length or size
short +
Illustration
Present +
Illustration copyright
Utah State University +
Illustrator
Linda A. Vorobik +  and Karen Klitz +
Inflorescence architecture
pistillate +
Inflorescence arrangement
paniculate +  and racemose +
Inflorescence fusion
distinct +
Inflorescence position
exserted +
Inflorescence position or structure subtype
terminal +
Inflorescence some measurement
5 cm50 mm <br />0.05 m <br /> (40 cm400 mm <br />0.4 m <br />) +
Internode architecture
hollow +  and solid +
Internode shape
elongate +
Lateral-vein architecture
excurrent +
Lateral-vein position
basal +
Lateral-vein pubescence
pilose +
Lateral-vein quantity
1/3 (1/2) +
Layer presence
not absent +
Leaf arrangement
distichous +
Leaf margin arrangement
Overlapping (?) +
Lemma architecture
3-veined +
Lemma architecture or shape
awned +
Lemma coloration
purple-tinged +
Lemma some measurement
0.35 cm3.5 mm <br />0.0035 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Lemma texture
membranous +
Ligule architecture or pubescence or shape
ciliate +
Ligule length or size
sometimes longer +
Ligule presence
absent +
Ligule some measurement
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Ligule texture
membranous +
Lodicule fusion
adnate +  and free +
Lodicule presence
absent +
Lodicule prominence
inconspicuous +
Lodicule quantity
2 +
Lower glume architecture
1-3-veined +
Lower glume atypical some measurement
10 +
Lower glume some measurement
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Lower glume variability
equal +
Lower sheath pubescence
pilose +  and strigose +
Margin pubescence
pubescent +
Margin pubescence or texture
cartilaginous +
Margin width
not thick +
Marginal hair arrangement
adjacent +
Marginal hair fragility
stiff +
Marginal hair relief
coarse +
Microhair presence
absent +
Midrib architecture
simple +
Midvein architecture
excurrent +
Midvein pubescence
pilose +
Midvein some measurement
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
Node prominence
concealed +  and prominent +
Number of lower taxa
0 +
Other quantity
2 +  and 1 +
Ovary pubescence
glabrous +
Palea height or length or size
shorter +
Palea pubescence
pubescent +  and glabrous +
Palea shape
keeled +
Palea some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Panicle architecture
simple +
Panicle branch height or length or size
short +
Panicle length
7cm +  and 20cm +
Panicle width
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Pedicel some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Pericarp architecture or fragility
loose +
Pericarp arrangement
separating +
Pericarp condition or texture
dry +
Pericarp fusion
free +
Pericarp texture
dry +  and fleshy +
Raceme shape
spikelike +
Rachis prominence
evident +
Reference
None +
Rhizome architecture
stoloniferous +
Rhizome height or length or size
short +
Rhizome shape
elongate +  and knotty +
Sheath architecture
open +
Sheath condition
closed +
Sheath height or length or size
shorter +
Sheath shape
rounded +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V25/V25 53.xml +
Spikelet architecture or arrangement or growth form
solitary +
Spikelet arrangement
crowded +  and imbricate +
Spikelet atypical some measurement
13 +
Spikelet fixation
attached +
Spikelet position or shape
distal +
Spikelet presence
absent +
Spikelet quantity
1 +  and 60 +
Spikelet reproduction
fertile +
Spikelet shape
compressed +
Spikelet some measurement
0.8 cm8 mm <br />0.008 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Stamen quantity
1 +  and 3 +
Starch-grain architecture
compound +  and simple +
Starch-grain presence
absent +
Style-branch atypical quantity
4 +  and 1 +
Style-branch quantity
2 (?) +  and 3 (?) +
Style arrangement
separate +
Style quantity
2 +
Synonyms
Triodia mutica +
Taxon architecture
staminate +
Taxon family
Poaceae +
Taxon name
Tridens muticus var. muticus +
Taxon parent
Tridens muticus +
Taxon rank
variety +
Taxon reproduction
dioecious +
Tissue coloration
hyaline +
Tissue texture
membranous +
Upper glume architecture
1-veined +
Upper glume atypical some measurement
6 +
Upper glume height or length or size
shorter +
Upper glume some measurement
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Upper sheath pubescence
scabrous +  and glabrous +
Vein presence
absent +
Vein pubescence
ciliolate +, glabrous +  and hairy +
Vein quantity
7 (?) +  and 13 (?) +
Vein size
major +
Volume
Volume 25 +
Whole organism arrangement or pubescence
tufted +
Whole organism duration
perennial +
Whole organism growth form
plant +  and cespitose +
Whole organism growth form or habitat
aquatic +  and terrestrial +
Whole organism reproduction
dioecious +, monoecious +  and synoecious +
Whole organism variability
varied +
X chromosome atypical quantity
12 +
X chromosome quantity
10 +