# interior live oak (*Quercus wislizeni*)

The interior live oak is a strong tree with thick, shiny leaves. It provides shade and homes for many animals. This tree can live for a very long time and is great for the environment!

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 9
- **Habitat:** Forests

![interior live oak](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Interior_live_oak_twig_with_acorn.JPG&width=800)

Photo: Benny White, CC BY-SA 3.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Interior_live_oak_twig_with_acorn.JPG)

## Appearance

The interior live oak is an evergreen tree with dark, furrowed bark and a dense, rounded crown. Its stiff, leathery leaves are dark green and often have spiny, toothed edges, setting it apart from many other oaks with lobed leaves.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Fagales
- **Family:** Fagaceae
- **Genus:** Quercus

## Interesting facts

- It can live for hundreds of years, an ancient witness to California's history!
- It keeps its green leaves all year long, never losing them in winter!
- Its wood is so dense and strong, people once compared it to iron!
- Native Americans historically ground interior live oak acorns into flour after special preparation!

## Special abilities

- **Fire Survivor:** The interior live oak can resprout from its base after wildfires, helping it survive and regrow quickly.
- **Drought Master:** It has deep roots and tough, leathery leaves to help it conserve water in dry California climates.
- **Year-Round Food:** This oak produces acorns that provide a crucial food source for many animals through fall and winter.

## Measurements & details

- **Height:** 600-2000 cm
- **Spread:** 300-1500 cm
- **Bloom Season:** Spring
- **Edible:** Yes
- **Toxicity:** None
- **Lifecycle:** Perennial
- **Pollination Method:** Wind

## Ecological connections

- **Eats:** [Western gray squirrel](https://www.snappit.app/explore/western-gray-squirrel) (*Sciurus griseus*) — Feeds on acorns, aiding seed dispersal.
- **Eats:** [Mule deer](https://www.snappit.app/explore/mule-deer) (*Odocoileus hemionus*) — Browses on foliage and fallen acorns.
- **Parasitizes:** Filbertworm (*Cydia latiferreana*) — Larvae develop inside ripening acorns.
- **Shelter:** [Blue-gray gnatcatcher](https://www.snappit.app/explore/blue-gray-gnatcatcher) (*Polioptila caerulea*) — Builds tiny nests within its branches.

## Traits

- [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.
- [Evergreen](https://www.snappit.app/explore/traits/evergreen): Evergreen plants retain their foliage throughout the year, never shedding all their leaves at once.
- [Nut Bearing](https://www.snappit.app/explore/traits/nut-bearing): Nut bearing plants produce hard-shelled fruits, commonly known as nuts, which contain a single seed and are a valuable food source.
- [Timber](https://www.snappit.app/explore/traits/timber): Timber refers to wood that has been prepared for use in building and carpentry.
- [Forest](https://www.snappit.app/explore/traits/forest): Forest habitats are terrestrial environments dominated by dense tree cover, supporting a high diversity of plant and animal life.
- [Longevous](https://www.snappit.app/explore/traits/longevous): This trait characterizes organisms with an exceptionally long lifespan compared to others of their kind.
- [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

Be careful not to climb too high in trees, and watch out for falling branches!

## Frequently Asked Questions

### How to identify interior live oak?

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 interior live oak?

600-2000 cm

### How wide does interior live oak spread?

300-1500 cm

### When does interior live oak bloom?

Spring

### Is interior live oak edible?

Yes

### Is interior live oak toxic?

None

### What is interior live oak's lifecycle?

Perennial

### How is interior live oak pollinated?

Wind

## Where to spot

- [Alder Creek Grove](https://www.snappit.app/guides/places/alder-creek-grove) — California, US · Forest
- [Black Diamond Mines Regional Preserve](https://www.snappit.app/guides/places/black-diamond-mines-regional-preserve) — California, US · Nature Reserve
- [Lake Oroville State Recreation Area](https://www.snappit.app/guides/places/lake-oroville-state-recreation-area) — California, US · State Park
- [San Joaquin Experimental Range](https://www.snappit.app/guides/places/san-joaquin-experimental-range) — California, US · Forest
- [Columbia State Historic Park](https://www.snappit.app/guides/places/columbia-state-historic-park) — California, US · State Park
- [Knights Ferry](https://www.snappit.app/guides/places/knights-ferry) — California, US · Historic Site

[View all places to see interior live oak](https://www.snappit.app/guides/where-to-see/interior-live-oak)

## 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: [Interior Live Oak: Facts & Places to See — Snappit](https://www.snappit.app/explore/interior-live-oak)
