Fuirena pumila — Details

Fuirena squarrosa var. pumila Torr.:
United States (North America)

Voss, E. G. 1972. Gymnosperms and Monocots. i–xv, 1–488. In Michigan Fl. Cranbrook Institute of Science, Bloomfield Hills, Michigan. http://www.tropicos.org/Reference/1494

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Fuirena pumila Michx.:
United States (North America)

Radford, A. E., H. E. Ahles & C. R. Bell. 1968. Man. Vasc. Fl. Carolinas i–lxi, 1–1183. University of North Carolina Press, Chapel Hill. http://www.tropicos.org/Reference/636
Fernald, M. 1950. Manual (ed. 8) i–lxiv, 1–1632. American Book Co., New York. http://www.tropicos.org/Reference/1327
Gleason, H. A. & A. Cronquist. 1968. The Pteridophytoa, Gymnospermae and Monocotyledoneae. 1: 1–482. In H. A. Gleason Ill. Fl. N. U.S. (ed. 3). New York Botanical Garden, New York. http://www.tropicos.org/Reference/1495
Godfrey, R. K. & J. W. Wooten. 1979. Aquatic Wetland Pl. S.E. U.S. Monocot. 1–712. The University of Georgia Press, Athens. http://www.tropicos.org/Reference/1710

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National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Absent

Confidence: Confident

Type of Residency: Year-round

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

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Physical Description

Morphology

Description

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 lance-ovoid 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 red-brown, 1 mm; beak slender, stiff, tip papillate. 2n = 46.

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Diagnostic Description

Synonym

Fuirena squarrosa Michaux var. pumila Torrey, Fl. N. Middle United States 1: 68. 1824

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Ecology

Habitat

Habitat & Distribution

Fruiting summer–fall. Moist to wet pond shores, seeps, savannas and swales, moist sandy waste places; 0–200 m; Ont.; Ala., Del., Fla., Ga., Ind., La., Md., Mass., Mich., N.J., N.Y., N.C., R.I., S.C., Tex., Va.

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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: NX - Presumed Extirpated

United States

Rounded National Status Rank: N4 - Apparently Secure

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NatureServe Conservation Status

Rounded Global Status Rank: G4 - Apparently Secure

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