Difference between revisions of "Muhlenbergia brevis"

C.O. Goodd.
Common names: Short muhly
Treatment appears in FNA Volume 25. Treatment on page 196.
imported>Volume Importer
m (Restored period to C.O. in authority)
 
(2 intermediate revisions by one other user not shown)
Line 1: Line 1:
 
{{Treatment/ID
 
{{Treatment/ID
 
|accepted_name=Muhlenbergia brevis
 
|accepted_name=Muhlenbergia brevis
|accepted_authority=CO. Goodd.
+
|accepted_authority=C.O. Goodd.
 
|publications=
 
|publications=
 
|common_names=Short muhly
 
|common_names=Short muhly
Line 27: Line 27:
 
-->{{#Taxon:
 
-->{{#Taxon:
 
name=Muhlenbergia brevis
 
name=Muhlenbergia brevis
|authority=CO. Goodd.
+
|authority=C.O. Goodd.
 
|rank=species
 
|rank=species
 
|parent rank=genus
 
|parent rank=genus
Line 40: Line 40:
 
|publication year=
 
|publication year=
 
|special status=
 
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V25/V25_779.xml
+
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V25/V25_779.xml
 
|subfamily=Poaceae subfam. Chloridoideae
 
|subfamily=Poaceae subfam. Chloridoideae
 
|tribe=Poaceae tribe Cynodonteae
 
|tribe=Poaceae tribe Cynodonteae

Latest revision as of 18:49, 6 December 2021

Plants annual; tufted. Culms 3-20 cm. Sheaths often longer than the internodes, somewhat inflated, smooth or scabrous; ligules 1-3 mm, membranous, acute, lacerate, sometimes with lateral lobes; blades 1-4.5 cm long, 0.8-2 mm wide, flat to involute, scabrous to strigose, midveins and margins thickened, whitish. Panicles 3-11.5 cm long, 0.8-1.8 cm wide, contracted; primary branches 1-3.7 cm, closely appressed, spikelets usually in subsessile-pedicellate pairs; pedicels 0.2-8 mm, stout, closely appressed, scabrous; disarticulation beneath the spikelet pairs. Spikelets 2.5-6 mm. Glumes to 2/3 as long as the lemmas; lower glumes 2-3.5 mm, subulate, 2-veined, minutely to deeply bifid, with 2 aristate teeth or awns to 1.8 mm; upper glumes 2.4-4 mm, entire, acuminate to attenuate, 1-veined, awned, awns to 2 mm; lemmas 3.5-6 mm, narrowly lanceolate, light greenish-brown to purplish, scabrous, appressed-pubescent on the margins and mid-veins, apices acuminate, often bifid, awned, awns usually 10-20 mm, stiff; paleas 4-6 mm, narrowly lanceolate, intercostal region appressed-pubescent, apices acuminate; anthers 0.5-0.9 mm, purplish to yellowish. Caryopses 2-2.8 mm, narrowly fusiform, brownish. 2n = 20.

Distribution

Ariz., Colo., N.Mex., Tex.

Discussion

Muhlenbergia brevis grows on rocky slopes, gravelly flats, and rock outcrops, particularly those derived from calcareous parent materials, at elevations of 1700-2500 m, in gramma grasslands, pinyon-juniper woodlands, and pine-oak woodlands. Its range extends from the southwestern United States to central Mexico.

Like Muhlenbergia depauperata, M. brevis shares several features with Lycurus, notably the paired spikelets with 2-veined and 2-awned lower glumes, 1-veined and awned upper glumes, acuminate, awned lemmas with shortly pubescent margins, and pubescent paleas.

Selected References

None.

Lower Taxa

None.