Eragrostis pectinacea var. pectinacea

Synonyms: Eragrostis purshii Eragrostis diffusa
Treatment appears in FNA Volume 25. Treatment on page 83.

Pedicels appressed or diverging to 20° from the branch axes. Anthers 0.2-0.4 mm.

Distribution

B.C., N.B., N.S., Ont., Que., Wash., Wis., Del., Ark., Kans., Minn., N.Dak., Nebr., Okla., S.Dak., W.Va., Pacific Islands (Hawaii), Conn., Mass., Maine, N.H., R.I., Vt., Fla., Wyo., Puerto Rico, N.J., N.Mex., Tex., La., Tenn., N.Y., Pa., D.C., Ga., Ky., Mich., Mont., Nev., Ohio, Oreg., S.C., Utah, Va., Colo., Virgin Islands, Calif., Ala., Ill., Ind., Iowa, Md., N.C., Ariz., Idaho, Mo., Miss.

Discussion

Eragrostis pectinacea var. pectinacea grows through¬out the range of the species, including most of the contiguous United States. Within the Flora region, it is most common in the eastern states and usually flowers from July-November.

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
obtuse +  and acute +
Paul M. Peterson +
(Michx.) Nees +
1 (?) +  and 3 (?) +
multiple +, , +  and single +
not +  and glabrous +
keeled +  and rounded +
pseudopetiolate +  and branching +
not fused +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
membranous +
not pseudopetiolate +
2 cm20 mm <br />0.02 m <br /> (20 cm200 mm <br />0.2 m <br />) +
pubescent +  and glabrous +
flat +  and involute +
0.1 cm1 mm <br />0.001 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
not disarticulating +
not spikelike +
pubescent +  and glabrous +
compressed +  and pyriform +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
triangular +  and dome--shaped +
sometimes longer +
membranous +
branched +, simple +  and rooting +
geniculate +
10 cm100 mm <br />0.1 m <br /> (80 cm800 mm <br />0.8 m <br />) +
not woody +
B.C. +, N.B. +, N.S. +, Ont. +, Que. +, Wash. +, Wis. +, Del. +, Ark. +, Kans. +, Minn. +, N.Dak. +, Nebr. +, Okla. +, S.Dak. +, W.Va. +, Pacific Islands (Hawaii) +, Conn. +, Mass. +, Maine +, N.H. +, R.I. +, Vt. +, Fla. +, Wyo. +, Puerto Rico +, N.J. +, N.Mex. +, Tex. +, La. +, Tenn. +, N.Y. +, Pa. +, D.C. +, Ga. +, Ky. +, Mich. +, Mont. +, Nev. +, Ohio +, Oreg. +, S.C. +, Utah +, Va. +, Colo. +, Virgin Islands +, Calif. +, Ala. +, Ill. +, Ind. +, Iowa +, Md. +, N.C. +, Ariz. +, Idaho +, Mo. +  and Miss. +
not waisted +
capillary +
pistillate +  and staminate +
sometimes longer +
6 +  and 22 +
round +  and compressed +
reduced +
persistent +  and deciduous +
shorter or longer +
subtending +
subulate +  and ovatelanceolate +
uncinate +
0 cm0 mm <br />0 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
paniculate +  and racemose +
hollow +  and solid +
scabridulous +
not absent +
(1)3(5)-veined +
grayish-green +  and hyaline +
ovatelanceolate +
0.1 cm1 mm <br />0.001 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
membranous +
sometimes longer +
ciliate +  and ciliolate +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
membranous +
inconspicuous +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
concealed +  and prominent +
2 +  and 1 +
persistent +
2-keeled +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
membranous +
5cm +  and 25cm +
ovoid +  and pyramidal +
3 cm30 mm <br />0.03 m <br /> (12 cm120 mm <br />0.12 m <br />) +
diverging +  and appressed +
capillary +
0.1 cm1 mm <br />0.001 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
dry +  and fleshy +
paired +  and solitary +
diverging;appressed +
0.6 cm6 mm <br />0.006 m <br /> (8.5 cm85 mm <br />0.085 m <br />) +
hairy +  and glabrous +
spikelike +
dark reddish-purple +, yellowish-brown +  and plumbeous +
0.35 cm3.5 mm <br />0.0035 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
1 +  and 60 +
linear-oblong +  and narrowly lanceolate +
1.2mm +  and 2.5mm +
1 +  and 3 +
compound +  and simple +
2 (?) +  and 3 (?) +
Eragrostis purshii +  and Eragrostis diffusa +
Eragrostis pectinacea var. pectinacea +
Eragrostis pectinacea +
variety +
membranous +
0.1 cm1 mm <br />0.001 m <br /> (0.17 cm1.7 mm <br />0.0017 m <br />) +
usually broader +
7 (?) +  and 13 (?) +
rhizomatous +  and stoloniferous +
aquatic +  and terrestrial +
dioecious +  and synoecious +