Compilation
Cyperus cyclostachyus
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Name
Identification
Cyperus cyclostachyus Griseb. [family CYPERACEAE ] Mariscus echinatus (L.) Elliott [family CYPERACEAE ] Verified by Clarke, C.B., Cyperus globulosus Aubl. [family CYPERACEAE ] (stored under name); Verified by Adams, C.D.,
Related name
- Cyperus cyclostachyus
- Mariscus echinatus
- Cyperus globulosus
Flora
Entry for Cyperus croceus Vahl [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
Cyperus croceus Vahl [family CYPERACEAE], Enum. Pl., 2: 357. 1805
Cyperus baldwinii Torrey [family CYPERACEAE]
Cyperus cyclostachyus Grisebach [family CYPERACEAE]
Cyperus echinatus (Linnaeus) Alph. Wood var. multiflora Chapman [family CYPERACEAE]
Cyperus globulosus Aublet var. pseudofiliculmis Kükenthal [family CYPERACEAE]
Cyperus globulosus var. robustus (Boeckeler) Shinners [family CYPERACEAE]
Cyperus plankii Brittton [family CYPERACEAE]
Cyperus retrorsus Chapman var. robustus Kükenthal [family CYPERACEAE]
Mariscus bracheilema Steudel [family CYPERACEAE]
Mariscus brittonii C. B. Clarke [family CYPERACEAE]
Information
Herbs perennial, cespitose. Culms trigonous, (4–)14–45 cm × 1–2 mm, glabrous. Leaves yellow-green, flat, 18–44 cm × 3–4.5 mm. Inflorescences: spikes densely to loosely globose to ovoid, 10–20 mm wide; rays (3–)5–9(–14), 1–15(–26) cm; rachis 3–6(–9) mm; bracts (4–)6–9(–11), horizontal to ascending at 45°, flat, 1–30 cm × 0.5–4 mm; rachilla deciduous, wings persistent, 0.3–0.5(–0.8) mm wide. Spikelets (10–)30–50, oblong to lanceoloid, quadrangular to subterete, compressed, 4–8 × 1–1.3 mm; distal spikelet spreading or ascending; floral scales persistent, (1–)2–4(–6), appressed, whitish with red speckles, laterally 2–4-ribbed, ovate, 2.3–3.6 × 1.8–2.2 mm. Flowers: anthers 0.5 mm; styles 0.6–1.3 mm; stigmas 1.2–2.6 mm. Achenes reddish brown to nearly black, sessile, oblong, ellipsoid, 2–2.4 × 0.4–0.5(–0.7) mm, apex ± truncate-emarginate, apiculate, surfaces puncticulate.
Phenology Fruiting
summer
jun
jul
aug
fall
sep
oct
nov
Altitude range
0–200 m;
Distribution
MexicoWest IndiesCentral AmericaSouth America (Venezuela).USA Ala.USA Ark.USA Del.USA Fla.USA Ga.USA La.USA Md.USA Miss.USA Mo.USA N.J.USA N.C.USA Okla.USA Pa.USA S.C.USA Tenn.USA Tex.USA Va.USA W.Va.
Discussion
Cyperus globulosus Aublet is a synonym of C. luzulae (Linnaeus) Rottbøll ex Retzius, which is a widespread neotropical species, and it has long been misapplied to Cyperus croceus (G. C. Tucker 1987).