Fuirena pumila

(Torrey) Sprengel

Syst. Veg. 1: 237. 1825.

IllustratedEndemic
Basionym: Fuirena squarrosa var. pumila Torrey Fl. N. Middle United States 1: 68. 1824
Treatment appears in FNA Volume 23. Mentioned on page 37.

Herbs annual, cespitose, (8–) 20–60 cm. Culms erect or spreading, slender, stiff. Leaves: sheaths hirsute; principal blades linear to lance-linear, 5–12 cm, hirsute-hispid-ciliate, surfaces strigose-hispid or glabrous. Inflorescences in solitary terminal clusters or several terminal clusters, less often from proximal 1–2 nodes, principal involucral-bract mostly exceeding compound or cluster. Spikelets lanceovoid to cylindric, 5–8 (–12) mm, apex acute; fertile scales oblong to obovate, 2.5–3 mm; cusp excurved, nearly length of scale, scabridulous; median ribs 3, strong. Flowers: perianth bristles extending at least to base of perianth blades, often near to tips, retrorsely barbellate; perianth blades long-clawed, mostly ovate, base 3–5-ribbed, apex slenderly acuminate, incurved, awned; anthers 1–3, 0.5–0.7 mm. Achenes: stipe slender; body angles wirelike, faces lustrous, deep brown to redbrown, 1 mm; beak slender, stiff, tip papillate. 2n = 46.


Phenology: Fruiting summer–fall.
Habitat: Moist to wet pond shores, seeps, savannas and swales, moist sandy waste places
Elevation: 0–200 m

Distribution

V23 53-distribution-map.jpg

Ont., Ala., Del., Fla., Ga., Ind., La., Md., Mass., Mich., N.J., N.Y., N.C., R.I., S.C., Tex., Va.

Discussion

Selected References

None.

Lower Taxa

None.

"shortened" is not a number.

... more about "Fuirena pumila"
trigonous-rhomboid +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
acuminate;acute +
Robert Kral +
(Torrey) Sprengel +
persistent +
Fuirena squarrosa var. pumila +
slender +
reduced +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
parallel +  and divergent +
terete +, rolled +  and plicate +
spreading +  and erect +
3-5-angled +
slender +
scabridulous +
excurved +
Ont. +, Ala. +, Del. +, Fla. +, Ga. +, Ind. +, La. +, Md. +, Mass. +, Mich. +, N.J. +, N.Y. +, N.C. +, R.I. +, S.C. +, Tex. +  and Va. +
0–200 m +
brown +  and redbrown +
hypogynous +  and subtending +
biconvex +  and trigonous +
Moist to wet pond shores, seeps, savannas and swales, moist sandy waste places +
pedunculate +  and sessile +
polystichous +
cauline +  and basal +
ovate +  and long-clawed +
Fruiting summer–fall. +
2-3(-4)-carpellate +
hirsute-hispid-ciliate +
5 cm50 mm <br />0.05 m <br /> (12 cm120 mm <br />0.12 m <br />) +
3 (?) +  and 1 (?) +
adventitious +
stipitate-bladed +  and empty +
basal +  and proximal +
oblong;obovate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
lobed +  and forked +
W1 +, Illustrated +  and Endemic +
0 +  and 150 +
lanceovoid;cylindric +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
long-exserted +
1 +  and 3 +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
slender +
glabrous +  and strigose-hispid +
Vaginaria +
Fuirena pumila +
species +
papillate +
not +  and rhizomatous +
8 cm80 mm <br />0.08 m <br /> (20 cm200 mm <br />0.2 m <br />) +
herb +  and cespitose +