familyPoaceae
subfamilyPoaceae subfam. Pooideae
tribePoaceae tribe Bromeae
genusBromus
sectionBromus sect. Bromopsis
speciesBromus texensis

Bromus texensis

(Shear) Hitchc.
Leon E. Pavlickf
Common names: Texas brome
Treatment appears in FNA Volume 24. Treatment on page 216.
Please click on the illustration for a higher resolution version.
Illustrator: Cindy Roché

Copyright: Utah State University

Plants annual. Culms 30-70 cm, erect or spreading; nodes 3-5, pubescent. Sheaths densely pub¬escent to pilose; auricles absent; ligules 2-3 mm, lanceolate, pub¬escent, obtuse, erose; blades 7-20 cm long, 3-7 mm wide, flat, usually pubescent to pilose, rarely glabrous. Panicles 8-15 cm, open, drooping; branches ascending to spreading. Spikelets 20-30 mm, elliptic to lanceolate, terete to moderately laterally compressed, with 4-7 florets. Glumes glabrous or hispidulous; lower glumes 6-9 mm, 1-veined; upper glumes 8-10.5 mm, 3-veined, usually acute, rarely mucronate; lemmas 9-15 mm, lanceolate, rounded over the midvein, glabrous, sometimes scabrous, apices subulate to acute, entire; awns 4-8 mm, straight, arising less than 1.5 mm below the lemma apices; anthers 3-5 mm. 2n = 28.

Distribution

Tex.

Discussion

Bromus texensis grows in openings in brushy areas on rocky ground. It is rare, found only southern Texas and northern Mexico.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

... more about "Bromus texensis"
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2n chromosome quantity
28 +
Abaxial ligule presence
absent +
Abaxial ligule quantity
common +
Adaxial cell presence
absent +
Adaxial cell shape
bulliform +
Adaxial ligule architecture or pubescence or shape
ciliate +
Adaxial ligule presence
absent +
Adaxial ligule texture
membranous +  and scarious +
Anther atypical quantity
2 (?) +
Anther quantity
3 +
Anther some measurement
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Apex architecture or shape
entire +
Apex pubescence
hairy +
Apex shape
subulate +  and acute +
Arm cell presence
absent +
Auricle presence
absent +
Author
Leon E. Pavlickf +
Authority
(Shear) Hitchc. +
Awn architecture
unbranched +
Awn atypical quantity
1 (?) +  and 3 (?) +
Awn course
straight +
Awn fusion
distinct +
Awn orientation
arising +
Awn position
subterminal +  and terminal +
Awn quantity
3 +
Awn shape
geniculate +
Awn some measurement
0 cm0 mm <br />0 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Back shape
keeled +  and rounded +
Basal floret quantity
1 +  and 2 +
Base architecture
pseudopetiolate +  and branching +
Base arrangement
close +
Base fusion
free +
Base position
intravaginal +, extravaginal +, branching +  and basal +
Base size
swelling +
Base texture
hard +
Base width
thick +
Blade arrangement
parallel +
Blade arrangement or course or shape
linear +
Blade length
7 cm70 mm <br />0.07 m <br /> (20 cm200 mm <br />0.2 m <br />) +
Blade prominence
not evident +
Blade prominence or shape
flat +
Blade pubescence
glabrous +, usually pubescent +  and pilose +
Blade shape
cross +, linear +  and narrowly lanceolate +
Blade shape or vernation
involute +
Blade width
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Branch orientation
ascending;spreading +
Branch shape
spikelike +
Callus development
developed +
Callus pubescence
glabrous +
Common name
Texas brome +
Culm architecture
not branching +
Culm architecture or arrangement or growth form
solitary +
Culm duration
annual +
Culm growth form
climbing +
Culm growth form or location
floating +
Culm orientation
spreading +  and erect +
Culm some measurement
30 cm300 mm <br />0.3 m <br /> (70 cm700 mm <br />0.7 m <br />) +
Culm texture
not woody +
Distal floret size
reduced +
Distribution
Tex. +
Embryo quantity
1/6 +
Endosperm texture
liquid +, soft +  and hard +
Filament shape
capillary +
Floret architecture
pistillate +  and staminate +
Floret arrangement
adjacent +
Floret atypical quantity
16 +  and 3 +
Floret length or size
sometimes longer +
Floret quantity
4 +  and 7 +
Floret reproduction
bisexual +
Floret shape
terete +  and laterally compressed +
Glume architecture
1-9(11)-veined +
Glume architecture or shape
awned +
Glume height or length or size
always shorter +  and usually shorter +
Glume length
lanceolate +
Glume position
subtending +
Glume presence
absent +
Glume pubescence
hispidulous +  and glabrous +
Glume quantity
1/4 +
Glume shape
mucronate +  and acute +
Glume size
unequal +
Glume variability
equal +
Hair shape
uncinate +
Hilum arrangement or course or shape
linear +
Hilum coloration or relief
punctate +
Hilum shape
Ovate (?) +
Illustration
Present +
Illustration copyright
Utah State University +
Illustrator
Cindy Roché +
Inflorescence architecture
compound +
Inflorescence position or structure subtype
terminal +
Inflorescence size
reduced +
Internode architecture
solid +  and hollow +
Internode presence
absent +
Layer presence
absent +
Leaf arrangement
distichous +
Leaf margin arrangement
Overlapping (?) +
Lemma architecture
5-13-veined +
Lemma architecture or shape
not +  and awned +
Lemma arrangement
adjacent +
Lemma pubescence
glabrous +
Lemma pubescence or relief
scabrous +
Lemma shape
rounded +  and lanceolate +
Lemma some measurement
0.9 cm9 mm <br />0.009 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Lemma texture
herbaceous +  and coriaceous +
Ligule architecture or relief
erose +
Ligule presence
absent +
Ligule shape
obtuse +  and lanceolate +
Ligule some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Ligule texture
membranous +
Lodicule architecture
not veined +
Lodicule architecture or pubescence or shape
ciliate +
Lodicule architecture or shape
truncate +
Lodicule prominence
inconspicuous +
Lodicule pubescence
glabrous +
Lodicule quantity
2 +
Lodicule shape
lanceolate +
Lodicule texture
fleshy +  and membranous +
Lower glume architecture
1-veined +
Lower glume some measurement
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Midrib architecture
simple +
Node prominence
concealed +  and prominent +
Node pubescence
pubescent +
Node quantity
3 +  and 5 +
Number of lower taxa
0 +
Other quantity
2 +  and 1 +
Ovary presence
absent +
Ovary pubescence
hairy +  and glabrous +
Palea architecture or pubescence or shape
ciliate +
Palea development
well-developed +
Palea height or length or size
usually shorter +
Palea presence
absent +
Palea shape
keeled +
Palea size
reduced +
Panicle architecture
open +
Panicle orientation
drooping +
Panicle some measurement
8 cm80 mm <br />0.08 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Papilla presence
absent +
Pericarp arrangement
separating +
Pericarp condition or texture
dry +
Pericarp texture
dry +  and fleshy +
Pseudopetiole presence
absent +
Raceme architecture
open +
Rachilla length
prolonged +
Rachis prominence
evident +
Reference
None +
Sheath architecture
open +
Sheath condition
closed +
Sheath length
full +
Sheath pubescence
pilose +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V24/V24 302.xml +
Spike architecture
ebracteate +
Spikelet arrangement
mixed +
Spikelet fixation
attached +
Spikelet quantity
1 +  and 60 +
Spikelet reproduction
not viviparous +
Spikelet shape
elliptic +  and lanceolate terete +
Spikelet some measurement
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Stamen quantity
1 +  and 3 +
Starch-grain architecture
simple +  and compound +
Style-branch atypical quantity
4 +  and 1 +
Style-branch quantity
2 (?) +  and 3 (?) +
Style quantity
2 +
Subsidiary-cell architecture
parallel-sided +
Synonyms
Gramineae +
Taxon family
Poaceae +
Taxon name
Bromus texensis +
Taxon parent
Bromus sect. Bromopsis +
Taxon rank
species +
Terminal floret reproduction
sexual +
Tissue coloration
hyaline +
Tissue texture
membranous +
Upper glume architecture
3-veined +
Upper glume shape
mucronate +  and acute +
Upper glume some measurement
0.8 cm8 mm <br />0.008 m <br /> (1.05 cm10.5 mm <br />0.0105 m <br />) +
Vein arrangement
converging +
Vein presence
absent +
Vein quantity
2 (?) +
Vein size
major +
Volume
Volume 24 +
Whole organism architecture
rhizomatous +
Whole organism arrangement or pubescence
tufted +
Whole organism duration
annual +
Whole organism growth form
plant +
Whole organism growth form or habitat
aquatic +  and terrestrial +
X chromosome quantity
7 +