# Arroyo Willow (*Salix lasiolepis*)

The Arroyo Willow is a tall tree that loves to grow near water. Its long, slender leaves sway gently in the breeze, making it a beautiful sight in nature.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Habitat:** Wetlands

![Arroyo Willow](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Salix_lasiolepis%2801%29.jpg&width=800)

Photo: William & Wilma Follette @ USDA-NRCS PLANTS Database / USDA NRCS. Western wetland flora: Field office guide to plant species. West Region, S, Public domain · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Salix_lasiolepis%2801%29.jpg)

## Appearance

The Arroyo Willow is often a multi-stemmed shrub or small tree with reddish-brown bark. It has long, narrow, green leaves, often with fuzzy undersides. Its distinctive catkins appear in early spring, starting silvery and turning yellowish-green.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Malpighiales
- **Family:** Salicaceae
- **Genus:** Salix

## Interesting facts

- Wow! Beavers love to munch on its branches and build dams with them!
- Wow! Its fluffy seeds can travel on the wind like tiny parachutes!
- Wow! People once chewed its bark for medicine, long before aspirin existed!
- Wow! Some of the fastest growing plants in its habitat are Arroyo Willows!

## Special abilities

- **Erosion Buster:** Arroyo Willow can grow deep, spreading roots that help hold soil together, preventing riverbanks from washing away.
- **Water Whisperer:** Arroyo Willow has a special ability to thrive in wet, soggy soils, making it perfect for stream sides and marshy areas.
- **Quick Recoverer:** Arroyo Willow can regrow quickly from its base even after being cut or damaged, helping it bounce back from floods or fires.

## Measurements & details

- **Height:** 300-1000 cm
- **Spread:** 300-1000 cm
- **Flower Size:** 2-10 cm
- **Bloom Season:** Early spring
- **Edible:** No
- **Toxicity:** Mild
- **Lifecycle:** Perennial
- **Pollination Method:** Insect

## Ecological connections

- **Eats:** [American Beaver](https://www.snappit.app/explore/american-beaver) (*Castor canadensis*) — Young stems and bark are a favorite food source.
- **Pollinates:** European Honey Bee (*Apis mellifera*) — Feeds on nectar and pollen from early spring catkins.
- **Shelter:** [Willow Flycatcher](https://www.snappit.app/explore/willow-flycatcher) (*Empidonax traillii*) — Nests exclusively in dense willow thickets near water.
- **Eats:** [Mule Deer](https://www.snappit.app/explore/mule-deer) (*Odocoileus hemionus*) — Browses on young leaves and twigs, especially in winter.
- **Eats:** Willow Aphid (*Chaitophorus salicola*) — Feeds on the sap from its leaves and young stems.

## Traits

- [Deciduous](https://www.snappit.app/explore/traits/deciduous): Deciduous plants periodically shed all their leaves, typically during autumn or dry seasons.
- [Flowering](https://www.snappit.app/explore/traits/flowering): Flowering plants are any plants that produce flowers as part of their reproductive cycle.
- [Shade Tolerant](https://www.snappit.app/explore/traits/shade-tolerant): Shade tolerant plants are adapted to grow and thrive in areas with low light levels, requiring less direct sunlight.
- [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.
- [Rapid Growing](https://www.snappit.app/explore/traits/rapid-growing): Rapid growing plants exhibit accelerated growth rates, quickly increasing in size and biomass within a short period.
- [Timber](https://www.snappit.app/explore/traits/timber): Timber refers to wood that has been prepared for use in building and carpentry.
- [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.
- [Keystone Species](https://www.snappit.app/explore/traits/keystone-species): Describes a species whose presence and role have a disproportionately large effect on its environment.

## Collections

- [Plants](https://www.snappit.app/explore/collections/plants)

## Safety

**Danger:** 1/5 · Very low

Stay on paths and don't climb trees without an adult's help.

## Frequently Asked Questions

### How to identify Arroyo Willow?

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 Arroyo Willow?

300-1000 cm

### How wide does Arroyo Willow spread?

300-1000 cm

### How big are the flowers on Arroyo Willow?

2-10 cm

### When does Arroyo Willow bloom?

Early spring

### Is Arroyo Willow edible?

No

### Is Arroyo Willow toxic?

Mild

### What is Arroyo Willow's lifecycle?

Perennial

## 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*)

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Source: [Arroyo Willow: Facts & Places to See — Snappit](https://www.snappit.app/explore/arroyo-willow)
