familyPoaceae
subfamilyPoaceae subfam. Chloridoideae
genusLeptochloa
speciesLeptochloa panicea
subspeciesLeptochloa panicea subsp. brachiata
Leptochloa panicea subsp. brachiata
Common names: Red sprangletop
Synonyms: Leptochloa filiformis
Treatment appears in FNA Volume 25. Treatment on page 58.
Culms to 150 cm. Ligules 0.9-3.2 mm; blades 2-21 mm wide. Glumes usually not exceeding the florets, lanceolate to narrowly elliptic; lemmas 1.3-1.7 mm, shortly sericeous along the veins. Caryopses 0.9-1.2 mm, widely depressed obovate or obdeltate in cross-section, usually with a narrow, shallow ventral groove, apices broadly obtuse to acute. 2n = 20.
Discussion
Leptochloa panicea subsp. brachiata extends from the southern half of the United States to Argentina. It is common in disturbed and mesic agricultural sites, and is considered a noxious weed by the U.S. Department of Agriculture.
Selected References
None.
Lower Taxa
None.
"decumbent" is not a number.
... more about "Leptochloa panicea subsp. brachiata"
absent +
common +
absent +
bulliform +
absent +
membranous +
kranz +
absent +
absent +
arising +
close +
not fused +
membranous +
thick +
not pseudopetiolate +
adaxial +
involute +
racemose +
ascending;reflexed +
3;100 +
spikelike +
developed +
distinct +
free +
falling +
sometimes longer +
membranous +
single +
Red sprangletop +
branching +
annual +
climbing +
floating +
prostrate +
erect +
compressed +
not woody +
reduced +
absent +
not waisted +
large +
hard +
capillary +
not disarticulating +
adjacent +
shorter +
sometimes longer +
bisexual +
reduced +
absent +
1-veined +
shorter +
shorter or longer +
subtending +
membranous +
papillose-based +
lacking +
coarse +
uncinate +
punctate +
Present +
pistillate +
distinct +
axillary +
hollow +
elongate +
not absent +
distichous +
cauline +
3(5)-veined +
sericeous +
membranous +
truncate +
sometimes longer +
absent +
membranous +
absent +
inconspicuous +
adjacent +
stiff +
coarse +
absent +
simple +
aerial +
glabrous +
glabrous +
hyaline +
keeled +
subequal +
membranous +
simple +
separating +
free +
spikelike +
prolonged +
evident +
axillary +
absent +
concealed +
open +
closed +
hairy +
attached +
distal +
absent +
pubescent +
sterile +
absent +
separate +
staminate +
Leptochloa panicea subsp. brachiata +
Leptochloa panicea +
subspecies +
dioecious +
hyaline +
membranous +
lanceolate +
absent +
scabrous +
shallow +
annual +
varied +