Chipilin (Crotalaria longirostrata), also known as Chipilín, Chepil, or Long-beaked Rattlebox, is a perennial shrub in the family Fabaceae, cultivated in Mexico and Central America for its small, flavorful leaves that are an essential seasoning green in traditional Mesoamerican cuisine. The leaves have a distinctive, slightly bitter, earthy flavor that is impossible to replicate, making chipilin one of the most culturally important culinary herbs in southern Mexico and Guatemala.
• One of the most important culinary herbs in southern Mexico, Guatemala, and El Salvador
• The leaves are always used cooked, never raw — they contain mild alkaloids that are neutralized by heat
• Essential in Chiapas, Oaxaca, and Guatemala for flavoring tamales and soups
• The genus Crotalaria is named from the Greek "krotalon" (rattle) — the seed pods rattle when shaken
• Some Crotalaria species contain toxic pyrrolizidine alkaloids, but C. longirostrata is consumed safely after cooking
• The leaves are used in tiny quantities — a few sprigs flavor an entire pot of soup
Crotalaria longirostrata is native to Mexico and Central America.
• Found from southern Mexico through Guatemala, El Salvador, Honduras, and Nicaragua
• Possibly extending into Costa Rica
• Grows in tropical deciduous forest, disturbed areas, and cultivated plots
• Found at elevations from sea level to approximately 1,500 meters
• Has been cultivated by indigenous peoples of Mesoamerica since pre-Columbian times
• The Maya and Zapotec civilizations used chipilin as both food and medicine
• First described by the German botanist George Heinrich Adolf Scheele in 1846
• Now widely cultivated in home gardens throughout its range
• Sold fresh in markets across Chiapas, Oaxaca, and Guatemala
• An important component of traditional Mesoamerican homegarden biodiversity
• Found from southern Mexico through Guatemala, El Salvador, Honduras, and Nicaragua
• Possibly extending into Costa Rica
• Grows in tropical deciduous forest, disturbed areas, and cultivated plots
• Found at elevations from sea level to approximately 1,500 meters
• Has been cultivated by indigenous peoples of Mesoamerica since pre-Columbian times
• The Maya and Zapotec civilizations used chipilin as both food and medicine
• First described by the German botanist George Heinrich Adolf Scheele in 1846
• Now widely cultivated in home gardens throughout its range
• Sold fresh in markets across Chiapas, Oaxaca, and Guatemala
• An important component of traditional Mesoamerican homegarden biodiversity
An erect, branching perennial shrub growing 60 to 150 cm tall.
Stems:
• Erect, green, ribbed, covered with fine appressed hairs
• Branched from the base
Leaves:
• Palmately trifoliate (three leaflets), each leaflet 3 to 8 cm long and 1 to 3 cm wide
• Leaflets oblanceolate to obovate, bright green, slightly hairy
• margins entire
• Petioles 2 to 5 cm long
• Small, pointed stipules at the base
Flowers:
• Bright yellow, pea-like (papilionaceous), 1 to 2 cm long
• Born in terminal racemes
• Standard petal yellow with reddish-brown streaks
• Keel petal curved
Fruit:
• Slender, cylindrical pod (legume), 3 to 5 cm long
• Inflated, becoming brown and papery when mature
• Contains numerous small, kidney-shaped seeds
• Pods rattle when dry (characteristic of Crotalaria)
• Seeds are brown to dark brown
Stems:
• Erect, green, ribbed, covered with fine appressed hairs
• Branched from the base
Leaves:
• Palmately trifoliate (three leaflets), each leaflet 3 to 8 cm long and 1 to 3 cm wide
• Leaflets oblanceolate to obovate, bright green, slightly hairy
• margins entire
• Petioles 2 to 5 cm long
• Small, pointed stipules at the base
Flowers:
• Bright yellow, pea-like (papilionaceous), 1 to 2 cm long
• Born in terminal racemes
• Standard petal yellow with reddish-brown streaks
• Keel petal curved
Fruit:
• Slender, cylindrical pod (legume), 3 to 5 cm long
• Inflated, becoming brown and papery when mature
• Contains numerous small, kidney-shaped seeds
• Pods rattle when dry (characteristic of Crotalaria)
• Seeds are brown to dark brown
Crotalaria longirostrata is an ecologically significant nitrogen-fixing perennial shrub in Mesoamerican homegarden systems.
Habitat:
• Native to Mexico and Central America, from southern Mexico through Guatemala, El Salvador, Honduras, and Nicaragua
• Found in tropical deciduous forest, disturbed areas, and cultivated plots
• Found at elevations from sea level to approximately 1,500 meters
• Prefers warm, tropical conditions with annual rainfall of 800 to 2,000 mm
• Grows in a range of well-drained soils from sandy to clay loam
• USDA zones 10–12 (tropical, frost-sensitive)
Growth Habit:
• Erect, branching perennial shrub growing 60 to 150 cm tall
• Fast-growing, particularly during the warm, wet season
• Full sun to partial shade — commonly grown under fruit trees in traditional homegardens
• Can be pruned heavily and regrows rapidly, making it suitable for continuous leaf harvest
• Short-lived perennial, typically productive for 3 to 5 years before requiring replanting
Pollination:
• Yellow pea-like flowers (typical of Fabaceae) are primarily bee-pollinated
• Attracts a diverse range of native bees including stingless bees (Melipona, Trigona) common in Mesoamerica
• Buzz pollination by carpenter bees (Xylocopa) is particularly effective
• Flowering occurs throughout the warm season, providing extended nectar availability
Ecological Role:
• Nitrogen-fixing root nodules (Rhizobium symbiosis) enrich the soil, benefiting neighboring plants in polyculture systems
• Essential component of traditional Maya and Zapotec homegarden (huerto familiar) biodiversity
• Flowers are an important nectar source for native Mesoamerican bees, supporting pollinator populations in agricultural landscapes
• Rattlebox seed pods are consumed by few animals due to pyrrolizidine alkaloid content, which serves as a chemical defense
• Leaves contain mild alkaloids that deter most insect herbivores, reducing pest pressure on nearby crops
• Used as a green manure and cover crop in some traditional Mesoamerican farming systems
Conservation:
• Not threatened — widely cultivated in homegardens throughout its native range
• Important component of traditional Mesoamerican agrobiodiversity that deserves conservation attention
• Sold fresh in markets across Chiapas, Oaxaca, and Guatemala, ensuring continued cultivation
Habitat:
• Native to Mexico and Central America, from southern Mexico through Guatemala, El Salvador, Honduras, and Nicaragua
• Found in tropical deciduous forest, disturbed areas, and cultivated plots
• Found at elevations from sea level to approximately 1,500 meters
• Prefers warm, tropical conditions with annual rainfall of 800 to 2,000 mm
• Grows in a range of well-drained soils from sandy to clay loam
• USDA zones 10–12 (tropical, frost-sensitive)
Growth Habit:
• Erect, branching perennial shrub growing 60 to 150 cm tall
• Fast-growing, particularly during the warm, wet season
• Full sun to partial shade — commonly grown under fruit trees in traditional homegardens
• Can be pruned heavily and regrows rapidly, making it suitable for continuous leaf harvest
• Short-lived perennial, typically productive for 3 to 5 years before requiring replanting
Pollination:
• Yellow pea-like flowers (typical of Fabaceae) are primarily bee-pollinated
• Attracts a diverse range of native bees including stingless bees (Melipona, Trigona) common in Mesoamerica
• Buzz pollination by carpenter bees (Xylocopa) is particularly effective
• Flowering occurs throughout the warm season, providing extended nectar availability
Ecological Role:
• Nitrogen-fixing root nodules (Rhizobium symbiosis) enrich the soil, benefiting neighboring plants in polyculture systems
• Essential component of traditional Maya and Zapotec homegarden (huerto familiar) biodiversity
• Flowers are an important nectar source for native Mesoamerican bees, supporting pollinator populations in agricultural landscapes
• Rattlebox seed pods are consumed by few animals due to pyrrolizidine alkaloid content, which serves as a chemical defense
• Leaves contain mild alkaloids that deter most insect herbivores, reducing pest pressure on nearby crops
• Used as a green manure and cover crop in some traditional Mesoamerican farming systems
Conservation:
• Not threatened — widely cultivated in homegardens throughout its native range
• Important component of traditional Mesoamerican agrobiodiversity that deserves conservation attention
• Sold fresh in markets across Chiapas, Oaxaca, and Guatemala, ensuring continued cultivation
Chipilin leaves are used primarily as a flavoring agent in small quantities.
• Per 100 g fresh leaves: approximately 30 to 40 kcal
• Contains vitamins A and C in moderate amounts
• Provides iron, calcium, and phosphorus
• Contains protein (approximately 3 to 4 g per 100 g) — it is a legume, after all
• Rich in flavonoids and phenolic compounds
• Low in calories and fat
• Used in such small quantities that nutritional contribution is minimal
• The value is primarily in flavor and cultural significance
• Contains alkaloids that are neutralized by cooking
• Per 100 g fresh leaves: approximately 30 to 40 kcal
• Contains vitamins A and C in moderate amounts
• Provides iron, calcium, and phosphorus
• Contains protein (approximately 3 to 4 g per 100 g) — it is a legume, after all
• Rich in flavonoids and phenolic compounds
• Low in calories and fat
• Used in such small quantities that nutritional contribution is minimal
• The value is primarily in flavor and cultural significance
• Contains alkaloids that are neutralized by cooking
Contains mild alkaloids that must be deactivated by cooking.
• Leaves contain low levels of pyrrolizidine alkaloids, common in the genus Crotalaria
• Cooking thoroughly (boiling) renders the leaves safe for consumption
• The leaves should always be consumed cooked, never raw
• Traditional preparation methods have been developed over centuries to ensure safety
• Some related Crotalaria species contain dangerously high levels of alkaloids and are NOT edible
• Never consume raw chipilin leaves in large quantities
• The long history of safe use in traditional cuisine suggests proper cooking eliminates toxicity concerns
• As with all wild or traditional foods, moderation is recommended
• Leaves contain low levels of pyrrolizidine alkaloids, common in the genus Crotalaria
• Cooking thoroughly (boiling) renders the leaves safe for consumption
• The leaves should always be consumed cooked, never raw
• Traditional preparation methods have been developed over centuries to ensure safety
• Some related Crotalaria species contain dangerously high levels of alkaloids and are NOT edible
• Never consume raw chipilin leaves in large quantities
• The long history of safe use in traditional cuisine suggests proper cooking eliminates toxicity concerns
• As with all wild or traditional foods, moderation is recommended
Propagated by seed.
• Sow seeds directly in the garden in spring after the soil has warmed
• Soak seeds in warm water for 2 to 4 hours before sowing to improve germination
• Plant 1 to 2 cm deep
• Germination in 7 to 14 days
• Space plants 40 to 60 cm apart in rows 80 to 100 cm apart
• Prefers well-drained, fertile soil with pH 6.0 to 7.0
• Requires full sun and warm conditions
• Drought-tolerant once established
• As a legume, it fixes nitrogen and improves soil fertility
• Begin harvesting leaves 60 to 90 days after sowing
• Harvest by cutting stems, leaving the base to regrow
• Perennial in frost-free climates; grown as an annual elsewhere
• Very low maintenance once established
• Sow seeds directly in the garden in spring after the soil has warmed
• Soak seeds in warm water for 2 to 4 hours before sowing to improve germination
• Plant 1 to 2 cm deep
• Germination in 7 to 14 days
• Space plants 40 to 60 cm apart in rows 80 to 100 cm apart
• Prefers well-drained, fertile soil with pH 6.0 to 7.0
• Requires full sun and warm conditions
• Drought-tolerant once established
• As a legume, it fixes nitrogen and improves soil fertility
• Begin harvesting leaves 60 to 90 days after sowing
• Harvest by cutting stems, leaving the base to regrow
• Perennial in frost-free climates; grown as an annual elsewhere
• Very low maintenance once established
Culinary uses:
• In Chiapas and Guatemala, the signature use is in chipilin tamales — corn dough flavored with chipilin leaves
• Added to bean soups and black bean dishes for its distinctive earthy flavor
• Used in traditional Oaxacan soups and stews
• Essential in Guatemalan and Salvadoran cooking for flavoring beans and rice
• Added to tamales de elote (sweet corn tamales)
• Used in chicken soup (caldo de pollo) for its aromatic quality
• The flavor is described as earthy, slightly bitter, and uniquely savory
• Combined with epazote and hoja santa in traditional Mesoamerican herb blends
• In El Salvador, used in the traditional soup sopa de chipilín
• Dried leaves can be stored for use when fresh leaves are unavailable
• In Chiapas and Guatemala, the signature use is in chipilin tamales — corn dough flavored with chipilin leaves
• Added to bean soups and black bean dishes for its distinctive earthy flavor
• Used in traditional Oaxacan soups and stews
• Essential in Guatemalan and Salvadoran cooking for flavoring beans and rice
• Added to tamales de elote (sweet corn tamales)
• Used in chicken soup (caldo de pollo) for its aromatic quality
• The flavor is described as earthy, slightly bitter, and uniquely savory
• Combined with epazote and hoja santa in traditional Mesoamerican herb blends
• In El Salvador, used in the traditional soup sopa de chipilín
• Dried leaves can be stored for use when fresh leaves are unavailable
Wusstest du schon?
Chipilin tamales are so beloved in Chiapas that the Mexican state holds annual festivals celebrating this humble legume leaf as a cornerstone of its culinary identity
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