# European swallow-wort (*Vincetoxicum rossicum*) European swallow-wort is a climbing plant with beautiful green leaves and pretty flowers. It can grow in many places and is known for its unique shape and color. - **Category:** [Plants](https://www.snappit.app/explore/categories/plant) - **Rarity:** Common - **Danger:** 2/5 · Low - **Snaps:** 6 - **Habitat:** Grasslands ![European swallow-wort](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Vincetoxicum_rossicum1UME.JPG&width=800) Photo: Epibase, CC BY 3.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Vincetoxicum_rossicum1UME.JPG) ## Appearance The European swallow-wort is a twining vine with slender stems and dark green, oval leaves arranged in opposite pairs. Its small, star-shaped flowers are reddish-brown to dark purple, often appearing in clusters. These subtle blooms help it blend into dense vegetation. ## Taxonomy - **Kingdom:** Plantae - **Phylum:** Tracheophyta - **Class:** Magnoliopsida - **Order:** Gentianales - **Family:** Apocynaceae - **Genus:** Vincetoxicum ## Interesting facts - Its seed pods look like tiny green bananas, but they split open to release hundreds of parachute-like seeds! - Some people call it the 'strangler vine' because it can choke out native plants, changing entire habitats! - This plant can grow super fast, climbing over and smothering other plants like a green blanket! - Unlike many of its relatives in the milkweed family, this plant produces no milky sap when broken! ## Special abilities - **Climbing Power:** European swallow-wort can twine its stems around other plants and structures, helping it reach sunlight in crowded environments. - **Wind Sailor:** European swallow-wort produces pods that burst open, launching seeds with silky tufts that float on the wind to spread far. - **Chemical Warfare:** European swallow-wort can release chemicals into the soil that make it harder for other plants to grow nearby, giving it an advantage. ## Measurements & details - **Height:** 50-200 cm - **Spread:** 50-100 cm - **Flower Size:** 0.5-1 cm - **Bloom Season:** Summer - **Edible:** No - **Toxicity:** Moderate - **Lifecycle:** Perennial - **Pollination Method:** Insect ## Ecological connections - **Eaten by:** [Monarch butterfly](https://www.snappit.app/explore/monarch-butterfly) (*Danaus plexippus*) — Larvae mistakenly eat leaves, leading to death. - **Pollinates:** Blue Bottle Fly (*Calliphora vicina*) — Attracted by its scent, helps flowers reproduce. - **Parasitizes:** White Trillium (*Trillium grandiflorum*) — Outcompetes native wildflowers for light and space. ## Traits - [Climbing/Vine](https://www.snappit.app/explore/traits/climbing-vine): Climbing or vine plants are characterized by a growth habit that allows them to ascend upwards by twining, tendrils, or adhesive roots. - [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. - [Grassland](https://www.snappit.app/explore/traits/grassland): Grassland habitats are terrestrial biomes dominated by grasses and herbaceous plants, supporting a variety of grazing animals. - [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. - [Invasive](https://www.snappit.app/explore/traits/invasive): Invasive species are non-native organisms that cause harm to the environment, economy, or human health. ## Collections - [Plants](https://www.snappit.app/explore/collections/plants) ## Safety **Danger:** 2/5 · Low Don't touch or eat plants unless you know they are safe. Always ask an adult first! ## Frequently Asked Questions ### How to identify European swallow-wort? 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 European swallow-wort? 50-200 cm ### How wide does European swallow-wort spread? 50-100 cm ### How big are the flowers on European swallow-wort? 0.5-1 cm ### When does European swallow-wort bloom? Summer ### Is European swallow-wort edible? No ### Is European swallow-wort toxic? Moderate ### What is European swallow-wort's lifecycle? Perennial ## Where to spot - [Parc Jean-Drapeau](https://www.snappit.app/guides/places/parc-jean-drapeau) — Quebec, CA · Park - [South Hadley Canal](https://www.snappit.app/guides/places/south-hadley-canal) — Massachusetts, US · Historic Site - [Bartlett Arboretum and Gardens](https://www.snappit.app/guides/places/bartlett-arboretum-and-gardens) — Connecticut, US · Botanical Garden - [Bellport Village Historic District](https://www.snappit.app/guides/places/bellport-village-historic-district) — New York, US · Historic District - [Montgomery Street-Columbus Circle Historic District](https://www.snappit.app/guides/places/montgomery-street-columbus-circle-historic-district) — New York, US · Historic District - [Onondaga Park](https://www.snappit.app/guides/places/onondaga-park) — New York, US · Park [View all places to see European swallow-wort](https://www.snappit.app/guides/where-to-see/european-swallow-wort) ## 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: [European swallow-wort: Facts & Places to See — Snappit](https://www.snappit.app/explore/european-swallow-wort)