Compilation
Cladium jamaicense

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Name

Identification
Cladium jamaicense Crantz [family CYPERACEAE ] (stored under name); Verified by D.R.Herbst; S.H.Sohmer; W.L.Wagner, 1988
Related name
  • Lophoschoenus arundinaceus
  • Schoenus arundinaceus
  • Schoenus elevatus
  • Cladium mariscus
  • Cladium jamaicense

Flora

Entry for Cladium jamaicense Crantz [family CYPERACEAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 23,
Names
Cladium jamaicense Crantz [family CYPERACEAE], Inst. Rei Herb., 1: 362. 1766
Cladium mariscus (Linnaeus) Pohl subsp. jamaicense (Crantz) Kükenthal [family CYPERACEAE]
Schoenus cladium Swartz [family CYPERACEAE]
Treatment Author(s)
Gordon C. Tucker
Information
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
mar
apr
may
summer
jun
jul
aug
Altitude range
0–100 m;
Distribution
MexicoWest IndiesCentral American South America.USA Ala.USA Ark.USA Fla.USA Ga.USA La.USA Miss.USA N.C.USA S.C.USA Tex.USA Va.
Discussion
Cladium jamaicense is important as the dominant species in much of the Florida Everglades (K. K. Steward and W. H. Ornes 1975).

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