Sorghum bicolor subsp. arundinaceum

(Desv.) de Wet & J.R. Harlan ex Davidse
Synonyms: Sorghum verticilliflorum Sorghum arundinaceum
Treatment appears in FNA Volume 25. Treatment on page 628.

Plants annual or weakly biennial. Culms to 4 m, slender to stout. Rames readily disarticulating at maturity, with 1-5 nodes. Sessile spikelets 5-8 mm, lanceolate to elliptic. Caryopses not exposed at maturity.

Discussion

Sorghum bicolor subsp. arundinaceum is native to, and most common, in Africa, but some strains have been introduced into the Western Hemisphere.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

0.2 cm2 mm <br />0.002 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
anatomy +  and kranz +
Mary E. Barkworth +
(Desv.) de Wet & J.R. Harlan ex Davidse +
1 (?) +  and 3 (?) +
keeled +  and rounded +
pseudopetiolate +  and branching +
divergent +  and parallel +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
pseudopetiolate +
non-radiate +  and radiate +
well-developed +
5 cm50 mm <br />0.05 m <br /> (100 cm1,000 mm <br />1 m <br />) +
usually linear +  and lanceolate occasionally ovate +
reduced +
0.5 cm5 mm <br />0.005 m <br /> (10 cm100 mm <br />0.1 m <br />) +
spikelike +
disarticulating +
purple +  and reddish +
50 cm500 mm <br />0.5 m <br /> (500 cm5,000 mm <br />5 m <br />) +
ascending +  and erect +
slender +  and stout +
0 cm0 mm <br />0 m <br /> (400 cm4,000 mm <br />4 m <br />) +
not woody +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Conn. +, N.J. +, N.Y. +, Wash. +, D.C. +, Wis. +, Ont. +, Que. +, Pacific Islands (Hawaii) +, Fla. +, Wyo. +, Puerto Rico +, N.Mex. +, Mass. +, R.I. +, La. +, Mich. +, Nebr. +, Nev. +, S.Dak. +, N.C. +, N.Dak. +, Tenn. +, Pa. +, Calif. +, Miss. +, Va. +, Colo. +, Md. +, Virgin Islands +, Ala. +, N.H. +, Ark. +, Vt. +, Ill. +, Ga. +, Ind. +, Iowa +, Okla. +, Ariz. +, Idaho +, Maine +, Mont. +, Oreg. +, Tex. +, Ohio +, Utah +, Mo. +, Minn. +, Kans. +, Ky. +  and S.C. +
capillary +
sometimes longer +
concealing +
compressed +  and terete +
shorter or longer +
subtending +
pubescent +, hirsute +  and glabrous +
compressed +  and rounded +
unequal +
coriaceous +  and membranous +
uncinate +
bracteate +  and ebracteate +
pedunculate +  and multiple-stalked +
axillary +  and subtending +
photosynthetic +
not aromatic +
cauline +  and basal +
coriaceous +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
membranous +
inconspicuous +
5-15-veined +  and winged +
2-keeled +, rounded +  and compressed +
complex +  and simple +
concealed +  and prominent +
appressed-pubescent +  and glabrous +
1 +  and 5 +
pedicellate +
5cm +  and 60cm +
3 cm30 mm <br />0.03 m <br /> (30 cm300 mm <br />0.3 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.26 cm2.6 mm <br />0.0026 m <br />) +
dry +  and fleshy +
elongate +
in triplets +  and paired +
well-developed +
sterile +  and bisexual +
lanceolate +  and elliptic +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
1 +  and 3 +
fused +  and free +
2 +  and 3 +
dome--shaped +  and triangular +
Sorghum verticilliflorum +  and Sorghum arundinaceum +
Sorghum bicolor subsp. arundinaceum +
Sorghum bicolor +
subspecies +
membranous +
sessile-pedicellate +
0.5 cm5 mm <br />0.005 m <br /> (3 cm30 mm <br />0.03 m <br />) +
biennial +  and annual +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +