# Broadleaf Lupine (*Lupinus latifolius*)

Broadleaf Lupine is a beautiful flower with big, colorful leaves and tall spikes of purple blooms. They grow in sunny places and attract butterflies and bees, making gardens look lovely and lively!

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

![Broadleaf Lupine](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Lupinus_latifolius_5800.JPG&width=800)

Photo: Walter Siegmund (talk), CC BY-SA 3.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Lupinus_latifolius_5800.JPG)

## Appearance

The Broadleaf Lupine has tall, upright spires of dense, pea-like flowers, typically in shades of vibrant blue to purple, sometimes white. Its distinctive leaves are palmate, fanning out like fingers on a hand, making it stand out in meadows.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Fabales
- **Family:** Fabaceae
- **Genus:** Lupinus

## Interesting facts

- Ancient civilizations once ground certain lupine seeds into flour for baking!
- Did you know some lupine seeds can stay alive in the soil for decades, waiting to sprout?
- Its flowers change color after pollination, telling bees which ones still have nectar!
- The unique palmate leaves collect morning dew, like tiny natural water collectors.

## Special abilities

- **Soil Supercharger:** Broadleaf Lupine has special root nodules that can convert nitrogen from the air into plant food, making the soil healthier.
- **Deep Drinker:** Broadleaf Lupine has a strong taproot that helps it reach deep water sources, allowing it to survive during dry periods.
- **Built-in Bug Repellent:** Broadleaf Lupine produces natural chemicals called alkaloids that make its leaves taste bad to most hungry animals.
- **Seed Sprinkler:** Broadleaf Lupine's seed pods can explosively twist open, flinging seeds a short distance to spread its offspring.

## Measurements & details

- **Height:** 60-150 cm
- **Spread:** 30-60 cm
- **Flower Size:** 1-1.5 cm
- **Bloom Season:** Late spring to summer
- **Edible:** No
- **Toxicity:** Moderate
- **Lifecycle:** Perennial
- **Pollination Method:** Insect

## Ecological connections

- **Pollinates:** Yellow-faced Bumblebee (*Bombus vosnesenskii*) — collects nectar and pollen
- **Eaten by:** [Boisduval's Blue](https://www.snappit.app/explore/boisduvals-blue) (*Icaricia icarioides*) — caterpillars feed on leaves
- **Symbiotic with:** Rhizobium bacteria (*Rhizobium leguminosarum*) — fixes nitrogen in its roots
- **Eaten by:** [Mule Deer](https://www.snappit.app/explore/mule-deer) (*Odocoileus hemionus*) — browses on leaves and shoots

## 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.
- [Nitrogen Fixing](https://www.snappit.app/explore/traits/nitrogen-fixing): Describes organisms capable of converting atmospheric nitrogen into compounds usable by plants.
- [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.
- [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.
- [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.
- [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.

## Collections

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

## Safety

**Danger:** 1/5 · Very low

Always look but don't touch flowers unless a grown-up says it's okay.

## Frequently Asked Questions

### How to identify Broadleaf Lupine?

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 Broadleaf Lupine?

60-150 cm

### How wide does Broadleaf Lupine spread?

30-60 cm

### How big are the flowers on Broadleaf Lupine?

1-1.5 cm

### When does Broadleaf Lupine bloom?

Late spring to summer

### Is Broadleaf Lupine edible?

No

### Is Broadleaf Lupine toxic?

Moderate

### What is Broadleaf Lupine'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: [Broadleaf Lupine: Facts & Places to See — Snappit](https://www.snappit.app/explore/broadleaf-lupine)
