Cladium mariscoides

(Muhlenberg) Torrey

Ann. Lyceum Nat. Hist. New York 3: 372. 1836.

Common names: Marisque inerme
IllustratedEndemic
Basionym: Schoenus mariscoides Muhlenberg Descr. Gram, 4. 1817
Synonyms: Mariscus mariscoides (Muhlenberg) Kuntze
Treatment appears in FNA Volume 23. Treatment on page 242. Mentioned on page 240, 241.

Rhizomes to 10 cm × 2 mm. Culms 0.3–1 m × 1–2 mm. Leaves: blades conduplicate to subinvolute, (1–) 2–3.5 mm wide, smooth or nearly so. Inflorescences terminal or lateral and terminal, pedunculate, peduncle mostly covered by subtending leaf-sheath, 15–25 cm; 1st and 2d order branches (rarely congested and with little obvious branching), branches stiffly ascending. Spikelets in groups of 3–5 (–30), narrowly ellipsoid to lanceoloid; floral scales 5–6, the proximal chestnut-brown, ovate to oblong-lanceolate, 2.5–3 × 2 mm, midvein conspicuous, lateral-veins weak; stamens 2; anthers 2 mm, connective apices 0.1 mm; styles 2–2.5 mm; stigmas 1–1.5 mm. Achenes whitish or pale green, ovoid, 2.5–3 × 1.5–1.7 mm, base 3–6-lobed, discoid, truncate and impressed, flared, apex subacute, irregularly rugulose longitudinally, glossy.


Phenology: Fruiting summer–early fall.
Habitat: Open acidic to alkaline wetlands, brackish upper edges of tidal marshes
Elevation: 0–400(–1200) m

Distribution

V23 433-distribution-map.jpg

Man., N.B., Nfld. and Labr., N.S., Ont., Que., Sask., Conn., Del., Fla., Ill., Ind., Maine, Md., Mass., Mich., Minn., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Tex., Vt., Wis.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Cladium mariscoides"
pale green +  and whitish +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
1.5mm;1.7mm +
2 cm20 mm <br />0.02 m <br /> (?) +
rugulose +
Gordon C. Tucker +
(Muhlenberg) Torrey +
shortened +
truncate +  and discoid +
persistent +
flared +  and 3-6-lobed +
Schoenus mariscoides +
flat +  and involute +
2mm;3.5mm +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
parallel +  and divergent +
terete +, rolled +  and plicate +
Marisque inerme +
30 cm300 mm <br />0.3 m <br /> (100 cm1,000 mm <br />1 m <br />) +
rounded-trigonous +  and terete +
1mm;2mm +
Man. +, N.B. +, Nfld. and Labr. +, N.S. +, Ont. +, Que. +, Sask. +, Conn. +, Del. +, Fla. +, Ill. +, Ind. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, S.C. +, Tenn. +, Tex. +, Vt. +  and Wis. +
0–400(–1200) m +
hypogynous +  and subtending +
biconvex +  and trigonous +
Open acidic to alkaline wetlands, brackish upper edges of tidal marshes +
lateral +  and terminal +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
15 cm150 mm <br />0.15 m <br /> (25 cm250 mm <br />0.25 m <br />) +
with (1-)3-6(-30) bristles and/or scales +
Fruiting summer–early fall. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
2 cm20 mm <br />0.02 m <br /> (?) +
Ann. Lyceum Nat. Hist. New York +
0cm +  and 10cm +
2 cm20 mm <br />0.02 m <br /> (?) +
adventitious +
basal +  and proximal +
2-keeled +
cylindric +
Illustrated +  and Endemic +
100 +  and 1000 +
narrowly ellipsoid;lanceoloid +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Mariscus mariscoides +
Cladium mariscoides +
species +
stoloniferous +  and rhizomatous +
herb +, not +  and cespitose +