familyPoaceae
subfamilyPoaceae subfam. Panicoideae
tribePoaceae tribe Paniceae
genusDichanthelium
sectionDichanthelium sect. Lanuginosa
speciesDichanthelium ovale
subspeciesDichanthelium ovale subsp. praecocius

Dichanthelium ovale subsp. praecocius

(Hitchc. & Chase) Freckmann & Lelong
Mary E. Barkworth
Synonyms: Panicum praecocius Panicum lanuginosum var. praecocium
Treatment appears in FNA Volume 25. Treatment on page 429.
Please click on the illustration for a higher resolution version.
Illustrator: Hana Pazdírková, Linda A. Vorobik

Copyright: Utah State University

Basal blades 1-3 cm, sparsely to densely evenly pilose. Culms less than 1 mm thick, wiry; internodes with soft, spreading or retrorse papillose-based hairs longer than 4 mm. Cauline sheaths with soft, spreading or retrorse hairs, hairs usually longer than 4 mm, papillose-based; ligules 3-4 mm; blades 2-6 mm wide, both surfaces densely pilose. Spikelets 1.8-2.1 mm, obovoid or ellipsoid, pilose with papillose-based hairs.

Discussion

Dichanthelium ovale subsp. praecocius is most common in the midwest and in the tallgrass prairie states. It intergrades with subsp. villosissimum, especially in the western parts of the latter's range, and to a lesser extent, with D. acuminatum subsp. fasciculatum in the northern part of its range.

Selected References

None.

Lower Taxa

None.

"usually distinctly longer and narrower" is not a number."decumbent" is not a number."wide" is not a number.

... more about "Dichanthelium ovale subsp. praecocius"
RDF feed
2n chromosome quantity
18 +
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 +
Anther quantity
3 +
Apex shape
rounded +  and attenuate +
Arm cell presence
absent +
Arm cell quantity
anatomy +  and kranz +
Auricle presence
absent +
Author
Mary E. Barkworth +
Authority
(Hitchc. & Chase) Freckmann & Lelong +
Awn atypical quantity
1 (?) +  and 3 (?) +
Awn orientation
arising +
Awn quantity
single +
Back shape
keeled +  and rounded +
Basal blade pubescence
pilose +
Basal blade some measurement
1 cm10 mm <br />0.01 m <br /> (?) +  and 3 cm30 mm <br />0.03 m <br /> (?) +
Basal rosette season
winter +
Basal rosette variability
well-differentiated +
Base architecture
pseudopetiolate +  and branching +
Base architecture or shape
cormlike +
Base arrangement
divergent +  and parallel +
Base position
intravaginal +, extravaginal +, branching +  and basal +
Base shape
narrowed +  and rounded +
Base size
swelling +
Base texture
hard +
Base width
thick +
Blade architecture
disarticulating +  and pseudopetiolate +
Blade architecture or arrangement
non-radiate +  and radiate +
Blade architecture or pubescence or shape
ciliate +
Blade arrangement
fascicles +
Blade density
dense +
Blade development
developing +
Blade fusion
distinct +
Blade length
4 cm40 mm <br />0.04 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Blade orientation
Spreading (?) +, Ascending (?) +  and Erect (?) +
Blade position
adaxial +
Blade quantity
both +  and 1 +
Blade shape
lanceolate +
Blade size
reduced +
Blade some measurement
1 cm10 mm <br />0.01 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Blade texture
firm +
Blade width
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Branch architecture
rebranching +
Branch orientation
spreading;ascending +
Branch presence
absent +
Branch pubescence
pilose +
Branch reproduction
sterile +
Branch shape
spikelike +
Branch some measurement
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Bristle presence
absent +
Bristle reproduction
sterile +
Callus development
not developed +
Caryopsis architecture or pubescence or relief
smooth +
Caryopsis architecture or shape
cleft +
Caryopsis presence
absent +
Caryopsis shape
terete +  and compressed +
Cauline leaf length or size
longer +
Cauline leaf quantity
4 (7) +
Cilium length or size
sometimes longer +
Cross-section quantity
3 (?) +
Culm architecture
wiry +
Culm architecture or arrangement or growth form
solitary +
Culm duration
annual +
Culm fragility
not delicate +
Culm growth form
climbing +
Culm growth form or location
floating +
Culm growth form or orientation
decumbent +  and prostrate +
Culm growth form or texture
herbaceous +
Culm orientation
spreading +  and ascending +
Culm some measurement
15 cm150 mm <br />0.15 m <br /> (60 cm600 mm <br />0.6 m <br />) +
Culm texture
woody +
Culm thickness
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Distal cell length or size
long +
Distal cell size or width
narrow +
Distribution
Del. +, Wis. +, Fla. +, Puerto Rico +, N.J. +, Tex. +, La. +, N.C. +, S.C. +, Pa. +, Ark. +, Iowa +, Ill. +, Ind. +, Md. +, Miss. +, Ohio +, Okla. +, N.Y. +, Va. +, Ala. +, Ga. +, Conn. +, Mass. +, Minn. +, Mich. +  and Ky. +
Embryo quantity
1/2 +
Embryo shape
waisted +
Embryo size
large +
Endosperm texture
hard +
Filament shape
capillary +
Flap character
germination +
Floret architecture
pistillate +  and staminate +
Floret arrangement
adjacent +
Floret atypical quantity
3 +
Floret length or size
sometimes longer +
Floret palea development
well-developed +
Floret palea presence
absent +
Floret palea size
reduced +
Floret quantity
2 +
Floret reproduction
bisexual +
Floret shape
compressed +  and terete +
Fusoid cell presence
absent +
Glume apex architecture
gaping +
Glume architecture or shape
awned +
Glume height or length or size
shorter +
Glume length or size
shorter or longer +
Glume position
subtending +
Glume quantity
2 +
Glume size
unequal +
Glume texture
membranous +
Glume variability
equal +
Hair architecture
papillose-based +
Hair architecture or shape
awned +
Hair height or length or size
shorter +
Hair orientation
retrorse +  and spreading +
Hair presence
absent +
Hair pubescence or texture
soft +
Hair quantity
lacking +
Hair shape
uncinate +
Hair some measurement
4 cm40 mm <br />0.04 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Hilum arrangement or course or shape
linear +
Hilum coloration or relief
punctate +
Hilum shape
Oval (?) +  and Round (?) +
Illustration
Present +
Illustration copyright
Utah State University +
Illustrator
Linda A. Vorobik +  and Hana Pazdírková +
Inflorescence architecture
bracteate +  and ebracteate +
Inflorescence position
axillary +
Inflorescence position or structure subtype
terminal +
Inflorescences panicle position or structure subtype
terminal +
Internode architecture
branched +
Internode length
elongated +
Internode pubescence
glabrous +  and long-hairy +
Layer presence
absent +
Leaf arrangement
distichous +
Leaf margin arrangement
Overlapping (?) +
Leaf position
cauline +  and basal +
Lemma architecture or shape
awned +
Lemma coloration
hyaline +
Lemma texture
coriaceous +
Ligule architecture or pubescence or shape
ciliate +
Ligule derivation
true +
Ligule presence
absent +
Ligule some measurement
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Ligule texture
membranous +
Lodicule fusion
free +
Lodicule height or length or size
short +
Lodicule presence
absent +
Lodicule prominence
inconspicuous +
Lodicule pubescence
glabrous +
Lodicule quantity
2 +
Lodicule shape
cuneate +
Lodicule texture
fleshy +
Lower floret architecture
staminate +
Lower floret reproduction
sterile +
Lower floret size
reduced +
Lower glume architecture
veined +
Lower glume quantity
1/3 +  and 1/2 +
Lower glume shape
subacute +, acute +  and triangular +
Lower palea height or length or size
shorter +
Lower palea presence
absent +
Lower palea width
thin +
Margin architecture or pubescence or shape
ciliate +
Margin arrangement
separated +
Margin coloration
whitish +
Margin prominence or shape
flat +
Margin relief
scabridulous +
Margin shape or vernation
involute +
Microhair presence
absent +
Midrib architecture
complex +  and simple +
Node prominence
concealed +  and prominent +
Node pubescence
bearded +
Number of lower taxa
0 +
Other quantity
2 +  and 1 +
Ovary presence
absent +
Ovary pubescence
glabrous +
Palea shape
keeled +
Panicle location
subterranean +
Papilla presence
absent +
Pedicel quantity
1 +
Pericarp arrangement
separating +
Pericarp condition or texture
dry +
Pericarp texture
dry +  and fleshy +
Pericarp width
thin +
Primary panicle development
developing +
Primary panicle length
3 cm30 mm <br />0.03 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Primary panicle reproduction
chasmogamous +
Pseudoligule arrangement
adjacent +
Rachis orientation
spreading +  and ascending +
Rachis prominence
evident +
Rachis pubescence
pilose +
Reference
None +
Secondary panicle reproduction
cleistogamous +
Secondary panicle size
reduced +
Secondary position
higher +
Secondary sheath position
included +
Secondary sheath size
small +
Sheath architecture
open +
Sheath condition
closed +
Sheath height or length or size
shorter +
Sheath pubescence
pilose +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V25/V25 1170.xml +
Spike architecture
complex +
Spike arrangement
bisexual +
Spike reproduction
unisexual +
Spikelet architecture
sessile +
Spikelet arrangement
in triplets +  and paired +
Spikelet character
length +
Spikelet fixation
attached +
Spikelet presence
absent +
Spikelet pubescence
pilose +
Spikelet quantity
1 +  and 60 +
Spikelet reproduction
unisexual +  and bisexual +
Spikelet shape
ellipsoid +  and obovoid +
Spikelet some measurement
0.18 cm1.8 mm <br />0.0018 m <br /> (0.21 cm2.1 mm <br />0.0021 m <br />) +
Spikelet variability
varying +
Stamen quantity
1 +  and 3 +
Starch-grain architecture
simple +
Stigma coloration
red +
Style-branch arrangement
close +
Style-branch atypical quantity
4 +  and 1 +
Style-branch fusion
fused +  and free +
Style-branch quantity
2 (?) +
Style quantity
2 +  and 3 +
Subsidiary-cell shape
dome--shaped +  and triangular +
Surface pubescence
pilose +
Surface shape
convex +
Synonyms
Panicum praecocius +  and Panicum lanuginosum var. praecocium +
Taxon family
Poaceae +
Taxon name
Dichanthelium ovale subsp. praecocius +
Taxon parent
Dichanthelium ovale +
Taxon rank
subspecies +
Tissue coloration
hyaline +
Tissue texture
membranous +
Upper floret architecture
sessile +
Upper floret reproduction
bisexual +
Upper floret shape
subacute +  and ellipsoid +
Upper floret size
plump +
Upper floret some measurement
0.16 cm1.6 mm <br />0.0016 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Upper glume architecture
veined +
Upper glume architecture or shape
not saccate +
Upper glume height or length or size
usually slightly shorter +
Upper glume presence
absent +
Upper glume size
subequal +
Upper lemma coloration or pubescence or relief
striate +
Upper lemma pubescence
glabrous +
Upper lemma reflectance
shiny +
Upper lemma texture
chartaceous-indurate +
Upper lower lemma architecture
veined +
Upper palea coloration or pubescence or relief
striate +
Vein presence
absent +
Vein quantity
2 (?) +
Vein size
major +
Volume
Volume 25 +
Whole organism architecture
rhizomatous +
Whole organism arrangement or pubescence
tufted +
Whole organism duration
perennial +
Whole organism growth form
plant +  and cespitose +
Whole organism growth form or habitat
aquatic +  and terrestrial +
Whole organism growth form or texture
herbaceous +
Whole organism reproduction
dioecious +, monoecious +  and synoecious +
Whole organism variability
various +
X chromosome atypical quantity
14 +, 12 +  and 7 +
X chromosome quantity
9 +