Cyperus rivularis Kunth
Scientific Name: Cyperus rivularis Kunth
Synonyms: Cyperus niger Ruiz & Pav. var. <i>rivularis</i> (Kunth) V.E. Grant, Cyperus rivularis Kunth, Pycreus rivularis (Kunth) Palla
Classification: Plantae/ Tracheobionta / Spermatophyta / Magnoliophyta / Liliopsida / Commelinidae / Cyperales / Cyperaceae / Cyperus L./ Cyperus rivularis Kunth
| General Information | |
|---|---|
| Usda Symbol | CYRI |
| Group | Monocot |
| Life Cycle | Annual |
| Growth Habits | Graminoid |
| Native Locations | CYRI |
Plant Guide
Use a soil moisture meter to monitor the soil moisture where Cyperus rivularis Kunth is planted.
Plant Traits
Growth Requirements
| Temperature, Minimum (°F) | 32 |
|---|---|
| Adapted to Coarse Textured Soils | Yes |
| Adapted to Fine Textured Soils | Yes |
| Adapted to Medium Textured Soils | Yes |
| Anaerobic Tolerance | High |
| CaCO3 Tolerance | Medium |
| Cold Stratification Required | No |
| Drought Tolerance | Low |
| Fertility Requirement | Medium |
| Fire Tolerance | Low |
| Frost Free Days, Minimum | 120 |
| Hedge Tolerance | None |
| Moisture Use | Medium |
| pH, Maximum | 6.5 |
| pH, Minimum | 4.5 |
| Planting Density per Acre, Maxim | 11000 |
| Planting Density per Acre, Minim | 4800 |
| Precipitation, Maximum | 50 |
| Precipitation, Minimum | 30 |
| Root Depth, Minimum (inches) | 14 |
| Salinity Tolerance | None |
| Shade Tolerance | Intolerant |
Morphology/Physiology
| After Harvest Regrowth Rate | Slow |
|---|---|
| Toxicity | None |
| Resprout Ability | No |
| Shape and Orientation | Semi-Erect |
| Active Growth Period | Spring, Summer, Fall |
| Bloat | None |
| C:N Ratio | Medium |
| Coppice Potential | No |
| Fall Conspicuous | No |
| Fire Resistant | No |
| Flower Color | Green |
| Flower Conspicuous | No |
| Foliage Color | Green |
| Foliage Porosity Summer | Dense |
| Foliage Texture | Fine |
| Nitrogen Fixation | None |
| Low Growing Grass | No |
| Leaf Retention | No |
| Known Allelopath | No |
| Height, Mature (feet) | 5.0 |
| Growth Rate | Rapid |
| Growth Form | Bunch |
| Fruit/Seed Conspicuous | No |
| Fruit/Seed Color | Brown |
| Foliage Porosity Winter | Porous |
Reproduction
| Vegetative Spread Rate | None |
|---|---|
| Small Grain | No |
| Seedling Vigor | Medium |
| Seed Spread Rate | Moderate |
| Fruit/Seed Period End | Fall |
| Seed per Pound | 3023950 |
| Propagated by Tubers | No |
| Propagated by Sprigs | Yes |
| Propagated by Sod | No |
| Propagated by Seed | No |
| Propagated by Corm | No |
| Propagated by Container | No |
| Propagated by Bulb | No |
| Propagated by Bare Root | No |
| Fruit/Seed Persistence | Yes |
| Fruit/Seed Period Begin | Summer |
| Fruit/Seed Abundance | Medium |
| Commercial Availability | No Known Source |
| Bloom Period | Mid Summer |
| Propagated by Cuttings | No |
Suitability/Use
| Veneer Product | No |
|---|---|
| Pulpwood Product | No |
| Post Product | No |
| Palatable Human | No |
| Palatable Graze Animal | Low |
| Nursery Stock Product | No |
| Naval Store Product | No |
| Lumber Product | No |
| Fodder Product | No |
| Christmas Tree Product | No |
| Berry/Nut/Seed Product | No |
