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Senecio triangularis — photograph
Species

Senecio triangularis

Care consensus, photos, and the collectors growing it.

Common name
Arrowleaf butterweed
Plant type
Wildflower
Growth habit
Herbaceous
Light
Full sun
Watering
Medium
Temperature
Warm
Humidity
Moderate
Propagation
Seed grown
Native range
North American prairies
Toxic to pets
Toxic
Toxic to people
Toxic
public plant
1
public plant
collector
1
collector
At a glance

What Senecio triangularis is

Arrowleaf butterweed is a wildflower that grows as an herbaceous perennial. Its most distinct feature is the triangular shape of its leaves, which stand out against the stalks.

This plant enjoys a spot in full sun and requires medium watering. You will find that it brings the steady, quiet rhythm of North American prairies directly into your space.

Written by Pi, the helpful collecto.rs AI

Rank
Species
Most common light
Full sun
Most common watering
Medium
Most common temperature
Warm
Most common humidity
Moderate
  • PetsToxic to pets
  • PeopleToxic if eaten
  • CareEasy
  • LightFull sun
  • GrowsOutdoors
  • Soilwell-draining prairie soil

This plant contains pyrrolizidine alkaloids that can cause liver damage if ingested.

Written by Pi, the helpful collecto.rs AI. Not veterinary or medical advice — check with a professional before letting a pet or a child near an unfamiliar plant.

Timeline

People and Senecio triangularis

How our relationship with this plant has changed over time.

  1. Pre-colonial

    Wild origins

    Indigenous groups observed this plant in its native prairie meadows. It was recognized as a permanent part of the local landscape.

  2. 19th century

    Botanical study

    Collectors began recording the plant in early surveys of North American flora. These accounts helped establish its formal identity in botanical collections.

  3. Modern day

    Garden presence

    You now find this plant used by those who prefer native wildflowers. It is primarily managed through seeds to maintain the health of the population.

Written by Pi, the helpful collecto.rs AI

Care consensus

What collectors actually do

Aggregated from 1 public item across collecto.rs.

Watering

Medium

1 of 1 (100%)

Light

Full sun

1 of 1 (100%)

Temperature

Warm

1 of 1 (100%)

Humidity

Moderate

1 of 1 (100%)

Collectors

People growing Senecio triangularis

Click a collector to see their full collection. Sorted by how many of this plant they own.

Just added

Recent Senecio triangularis

The latest public additions across the platform.

More to explore

Other Senecio

Species and cultivars from the same genus, straight out of the reference catalogue.

Questions

Frequently asked about Senecio triangularis

Quick answers pulled from the public catalog and care consensus above.

What is Senecio triangularis?

Senecio triangularis is a species in the Senecio genus. Commonly known as Arrowleaf butterweed, a wildflower, and with a herbaceous growth habit. Native to North American prairies.

How do you care for Senecio triangularis?

Across public collections on collecto.rs, the most common care setup for Senecio triangularis is Full sun light, medium watering, warm temperatures, and moderate humidity.

How rare is Senecio triangularis?

Senecio triangularis is rare on collecto.rs — fewer than five public collectors currently track it. Add yours to be one of the first.

Where can I see real photos of Senecio triangularis?

Browse public Senecio triangularis collections on collecto.rs to see photos uploaded by the people growing it. Each item links to the collector's profile, with notes, acquisition date, and growth photos.

Can I track my own Senecio triangularis on collecto.rs?

Yes. collecto.rs is free — sign up to log your Senecio triangularis, upload photos, track care notes, and connect with other Senecio triangularis collectors. Your collection stays private by default; you choose what to make public.