Sorghum bicolor subsp. ×drummondii

(Steud.) de Wet ex Davidse
Common names: Chicken corn Sudangrass
Synonyms: Sorghum vulgare var. sudanense Sorghum vulgare var. drummondii Sorghum sudanense Sorghum drummondii Sorghum bicolor var. drummondii
Treatment appears in FNA Volume 25. Treatment on page 630.
Revision as of 03:23, 30 July 2020 by imported>Volume Importer
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Plants annual. Culms to 4 m, relatively stout. Rames usually tardily disarticulating, mostly with 3-5 nodes. Sessile spikelets 5-6 mm, lanceolate to elliptic. Caryopses not exposed at maturity.

Discussion

The hybrids treated here as Sorgum bicolor subsp. ×drummondii are most common in the Eastern Hemisphere, but a few are cultivated in the United States. Among these are the plants known as 'chicken corn' and 'Sudangrass' [= S. sudanense (Piper) Stapf] (de Wet 1978).

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 +
(Steud.) de Wet 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 +
Chicken corn +  and Sudangrass +
disarticulating +
purple +  and reddish +
50 cm500 mm <br />0.5 m <br /> (500 cm5,000 mm <br />5 m <br />) +
ascending +  and erect +
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 +
3 +  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 /> (0.6 cm6 mm <br />0.006 m <br />) +
1 +  and 3 +
fused +  and free +
2 +  and 3 +
dome--shaped +  and triangular +
Sorghum vulgare var. sudanense +, Sorghum vulgare var. drummondii +, Sorghum sudanense +, Sorghum drummondii +  and Sorghum bicolor var. drummondii +
Sorghum bicolor subsp. ×drummondii +
Sorghum bicolor +
subspecies +
membranous +
sessile-pedicellate +
0.5 cm5 mm <br />0.005 m <br /> (3 cm30 mm <br />0.03 m <br />) +
aquatic +  and terrestrial +
dioecious +, monoecious +  and synoecious +