# Arrowleaf Senecio (*Senecio triangularis*) The Arrowleaf Senecio is a unique plant with arrow-shaped leaves and bright yellow flowers. It grows in wet areas and can be found in meadows and along streams, adding color to nature's palette. - **Category:** [Plants](https://www.snappit.app/explore/categories/plant) - **Rarity:** Common - **Danger:** 1/5 · Very low - **Snaps:** 2 - **Habitat:** Wetlands ![Arrowleaf Senecio](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Senecio_triangularis_0613.JPG&width=800) Photo: Walter Siegmund (talk), CC BY-SA 3.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Senecio_triangularis_0613.JPG) ## Appearance The Arrowleaf Senecio has tall, slender stems with striking arrow-shaped leaves. Its bright yellow, daisy-like flowers bloom in clusters at the top. These vivid blossoms stand out against its dark green foliage, making it easily distinguishable. ## Taxonomy - **Kingdom:** Plantae - **Phylum:** Tracheophyta - **Class:** Magnoliopsida - **Order:** Asterales - **Family:** Asteraceae - **Genus:** Senecio ## Interesting facts - It's a tough plant that can grow high up in chilly mountain meadows! - Its scientific name, 'triangularis', means triangle-shaped, for its unique leaves! - Many small insects visit its sunny flowers to collect tasty nectar! - This plant is part of the huge sunflower family, just like your garden daisies! ## Special abilities - **Rhizome Runner:** Arrowleaf Senecio can spread quickly using underground stems called rhizomes, helping it form large patches. - **Wet Feet Warrior:** Arrowleaf Senecio has special roots that help it thrive even in very wet, swampy soils. - **Pollinator Beacon:** Arrowleaf Senecio's bright yellow flowers act like a big target, attracting many helpful insect pollinators. ## Measurements & details - **Height:** 30-150 cm - **Spread:** 30-60 cm - **Flower Size:** 1.5-2.5 cm - **Bloom Season:** Summer - **Edible:** No - **Toxicity:** Moderate - **Lifecycle:** Perennial - **Pollination Method:** Insect ## Ecological connections - **Pollinates:** [Black-tailed Bumble Bee](https://www.snappit.app/explore/black-tailed-bumble-bee) (*Bombus melanopygus*) — Collects nectar and pollen from the flowers. - **Depends on:** [Northern Checkerspot](https://www.snappit.app/explore/northern-checkerspot) (*Chlosyne palla*) — Larvae feed on the leaves of this Senecio species. - **Eats:** [Isabella Tiger Moth](https://www.snappit.app/explore/isabella-tiger-moth) (*Pyrrharctia isabella*) — Woolly bear caterpillars occasionally munch its foliage. ## Traits - [Flowering](https://www.snappit.app/explore/traits/flowering): Flowering plants are any plants that produce flowers as part of their reproductive cycle. - [Summer Blooming](https://www.snappit.app/explore/traits/summer-blooming): Summer blooming plants produce their flowers during the summer season, often providing vibrant color when many other plants have finished. - [Broadleaf Tree](https://www.snappit.app/explore/traits/broadleaf-tree): Broadleaf trees are angiosperms characterized by flat, wide leaves that are typically shed annually in temperate climates. - [Fragrant Flower](https://www.snappit.app/explore/traits/fragrant-flower): Fragrant flowers emit a pleasant aroma, often to attract pollinators or for defense. - [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors. - [Pollinator Magnet](https://www.snappit.app/explore/traits/pollinator-magnet): Describes plants that are particularly attractive and beneficial to a wide range of pollinating organisms. - [Wetland](https://www.snappit.app/explore/traits/wetland): This habitat trait identifies species found in wetlands, which are areas of land saturated with water, either permanently or seasonally, including marshes, swamps, and bogs. ## Collections - [Plants](https://www.snappit.app/explore/collections/plants) ## Safety **Danger:** 1/5 · Very low Always look but don't touch plants unless you know they're safe. ## Frequently Asked Questions ### How to identify Arrowleaf Senecio? Start with the whole plant, then compare leaf arrangement, leaf edges, stems and any flowers or fruit. Opposite leaves grow in pairs; alternate leaves come one at a time along the stem. These details tell you far more together than a single green leaf does. Plant Identifier: upload a photo and compare the visible details. ### How tall is Arrowleaf Senecio? 30-150 cm ### How wide does Arrowleaf Senecio spread? 30-60 cm ### How big are the flowers on Arrowleaf Senecio? 1.5-2.5 cm ### When does Arrowleaf Senecio bloom? Summer ### Is Arrowleaf Senecio edible? No ### Is Arrowleaf Senecio toxic? Moderate ### What is Arrowleaf Senecio's lifecycle? Perennial ## Where to spot - [Tantalus Provincial Park](https://www.snappit.app/guides/places/tantalus-provincial-park) — British Columbia, CA · State Park - [Bremner Historic Mining District](https://www.snappit.app/guides/places/bremner-historic-mining-district) — Alaska, US · Historic District - [White River Entrance](https://www.snappit.app/guides/places/white-river-entrance) — Washington, US · Historic District - [Akamina-Kishinena Provincial Park](https://www.snappit.app/guides/places/akamina-kishinena-provincial-park) — British Columbia, CA · State Park - [Cathedral Provincial Park](https://www.snappit.app/guides/places/cathedral-provincial-park) — British Columbia, CA · State Park [View all places to see Arrowleaf Senecio](https://www.snappit.app/guides/where-to-see/arrowleaf-senecio) ## More Plants - [white snakeroot](https://www.snappit.app/explore/white-snakeroot) (*Ageratina altissima*) - [tree-of-heaven](https://www.snappit.app/explore/tree-of-heaven) (*Ailanthus altissima*) - [western sword fern](https://www.snappit.app/explore/western-sword-fern) (*Polystichum munitum*) - [common milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*) --- Source: [Arrowleaf Senecio: Facts & Places to See — Snappit](https://www.snappit.app/explore/arrowleaf-senecio)