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Plants

pinto peanut

Arachis pintoi Krapov. & W.C.Gregory

Family: Fabaceae · Genus: Arachis

perennial peanut, forage peanut

Placenta I Ground cover Fertilizer biomass 🌱 Nitrogen fixer 🪓 Coppices after cutting
Dick Culbert · CC BY · iNaturalist

Perennial creeping legume with stolons, 20–40 cm tall. Permanent living mulch, persists under 70% shade. Fixes nitrogen, produces 5–13 t/ha/year of dry matter, suppresses weeds, and attracts pollinators with yellow flowers. The default living-mulch in Cerrado and Atlantic Forest syntropic systems. Full ground cover at 224 days after planting.

Götsch succession

Götsch stage
Placenta I
Ecological role
Pioneer
Primary stratum
Ground cover
Strata
Ground cover
Biomass class
Fertilizer biomass

Environment

Light requirement
Partial sun
Water requirement
Moderate
Drought tolerance
Moderate
Soil pH range
4.5–7
Preferred soil texture
Sandy, Loamy, Clayey
Hardiness zones
9–13

Morphology

Mature height
0.2–0.4 m
Recommended spacing
0.3–0.5 m
Root system
Fibrous
Root depth
Shallow
Growth rate
Fast
Lifespan
5–15 years

Biomes & climate

Köppen classes

Where it fits in a guild

Pinto peanut takes the Ground cover stratum in the Placenta I phase of succession — in a guild it shares the line with species from the other strata, each harvesting light at its own height, in its own time. It also fixes nitrogen, feeding the soil for its line neighbors.

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Emergent High Medium Low Ground cover · ≈0 m

🪴 Cultivation

Plant in furrows 30–50 cm (1 stolon every 10–20 cm) or pits 0.5×0.5 m with 3 stolons. Start of rainy season.

📅 Phenology

Flowering months: January, February, March, April, May, June, July, August, September, October, November, December

❓ Frequently asked questions

What spacing is recommended for pinto peanut?

The recommended spacing for pinto peanut is 0.3–0.5 m.

How tall does pinto peanut grow?

At maturity, pinto peanut reaches 0.2–0.4 m tall.

When does pinto peanut flower?

Flowering of pinto peanut occurs in January, February, March, April, May, June, July, August, September, October, November, December.

What stage and stratum does pinto peanut occupy in a syntropic system?

In a syntropic system, pinto peanut belongs to the placenta i stage, occupying the ground cover stratum.

Does pinto peanut fix nitrogen?

Yes — pinto peanut is a nitrogen-fixing species that helps fertilize the system's soil.

Functions

🌱 Nitrogen fixer Ground cover Fodder 🌿 Biomass producer 🐝 Attracts pollinators

Propagation

Seed, Cutting, Division

Citations

  1. Embrapa Gado de Corte — Amendoim forrageiro Arachis pintoi (height_min_m, height_max_m, light_need)
  2. Embrapa Agrobiologia — Amendoim Forrageiro: importância e usos (description)
  3. GBIF — Arachis pintoi Krapov. & W.C.Gregory (accepted, key 5353826); POWO / Kew (external_ids)

External references

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