Cladium jamaicense


Inst. Rei Herb. 1: 362. 1766.

Synonyms: Cladium mariscus subsp. jamaicense (Crantz) Kükenthal Schoenus cladium Swartz
Treatment appears in FNA Volume 23. Mentioned on page 241.

Rhizomes to 20 cm × 10 mm. Culms 1–3 m × 5–10 mm. Leaves: blades flat to broadly V-shaped, 5–11 mm wide, margins and midvein abaxially harshly scabrous with teeth visible to unaided eye. Inflorescences terminal (or lateral and terminal), 30–50 cm; 1st, 2d, 3d, and some 4th order branches, branches slightly flexuous. Spikelets in groups of 2–3(–6), narrowly ellipsoid to lanceolate; 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 0.1–0.2 mm; styles 2–2.5 mm; stigmas 1–1.5 mm. Achenes light greenish brown, ovoid, 2 × 1 mm, glossy, base vaguely 3-lobed, truncate, not flared or discoid, apex acute, irregularly rugulose longitudinally.

Phenology: Fruiting spring–summer.
Habitat: Coastal brackish and fresh marshes
Elevation: 0–100 m


V23 431-distribution-map.jpg

Ala., Ark., Fla., Ga., La., Miss., N.C., S.C., Tex., Va., Mexico, West Indies, Central America, n South America.


Cladium jamaicense is important as the dominant species in much of the Florida Everglades (K. K. Steward and W. H. Ornes 1975).

Lower Taxa

... more about "Cladium jamaicense"
Gordon C. Tucker +
Crantz +
Mariscus +
Ala. +, Ark. +, Fla. +, Ga. +, La. +, Miss. +, N.C. +, S.C. +, Tex. +, Va. +, Mexico +, West Indies +, Central America +  and n South America. +
0–100 m +
Coastal brackish and fresh marshes +
Fruiting spring–summer. +
Inst. Rei Herb. +
steward1975a +
W1 +  and Illustrated +
Cladium mariscus subsp. jamaicense +  and Schoenus cladium +
Cladium jamaicense +
species +