# Curlycup Gumweed (*grindelia squarrosa*)

Curlycup Gumweed is a bright and cheerful flower that loves to grow in sunny places! Its curly petals and sticky leaves make it a favorite for bees and butterflies.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 0/5 · No known danger
- **Snaps:** 5
- **Habitat:** Curlycup Gumweed typically lives in open fields, roadsides, and disturbed areas across North America.
- **Also known as:** Curlycup, Gumweed, Stickyweed

![Curlycup Gumweed](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Curlycup_Gumweed.jpg&width=800)

Photo: CC BY-SA 3.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Curlycup_Gumweed.jpg)

## Appearance

The Curlycup Gumweed has bright yellow, daisy-like flowers that bloom from sticky, resinous buds. Its unique curled leaf-like structures, called phyllaries, cup the base of each flower head. The plant has stiff, branched stems and rough, toothed green leaves.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Asterales
- **Family:** Asteraceae
- **Genus:** Grindelia

## Interesting facts

- Its name 'curlycup' comes from the unique curled bracts under its flowers.
- Native Americans once used its resin to make traditional cough remedies.
- The 'gum' on its flower buds feels like chewing gum to the touch!
- This resilient plant is often one of the first to grow in disturbed areas.

## Special abilities

- **Sticky Shield:** Curlycup Gumweed has sticky resin on its buds that helps protect it from hungry insects and disease.
- **Drought Dynamo:** Curlycup Gumweed can thrive in dry, tough soils, making it a super survivor where other plants struggle.
- **Gum Power:** Its unique resin helps seal in moisture and protect its flowers from harsh sunlight in open, sunny places.

## Measurements & details

- **Height:** 30-100 cm
- **Spread:** 30-60 cm
- **Flower Size:** 2-6 cm
- **Bloom Season:** Summer-fall
- **Edible:** No
- **Toxicity:** Mild
- **Lifecycle:** Biennial
- **Pollination Method:** Insect

## Ecological connections

- **Pollinates:** European honey bee (*Apis mellifera*) — Collects nectar and pollen from flowers.
- **Pollinates:** [Monarch butterfly](https://www.snappit.app/explore/monarch-butterfly) (*Danaus plexippus*) — Feeds on nectar during its long migrations.
- **Eaten by:** [White-tailed deer](https://www.snappit.app/explore/white-tailed-deer) (*Odocoileus virginianus*) — May browse on its leaves, especially young plants.
- **Pollinates:** Common eastern bumblebee (*Bombus impatiens*) — Busy visitor, collecting pollen and nectar.

## Traits

- [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.
- [Herbivorous](https://www.snappit.app/explore/traits/herbivorous): This trait characterizes organisms whose diet consists entirely or primarily of plant material.
- [Diurnal](https://www.snappit.app/explore/traits/diurnal): Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night.
- [Pollinator](https://www.snappit.app/explore/traits/pollinator): Describes organisms that transfer pollen, enabling the fertilization and reproduction of plants.

## Collections

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

## Safety

**Danger:** 0/5 · No known danger

No special safety notes yet.

## Frequently Asked Questions

### How to identify Curlycup Gumweed?

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 Curlycup Gumweed?

30-100 cm

### How wide does Curlycup Gumweed spread?

30-60 cm

### How big are the flowers on Curlycup Gumweed?

2-6 cm

### When does Curlycup Gumweed bloom?

Summer-fall

### Is Curlycup Gumweed edible?

No

### Is Curlycup Gumweed toxic?

Mild

### What is Curlycup Gumweed's lifecycle?

Biennial

## Where to spot

- [Morrill County Courthouse](https://www.snappit.app/guides/places/morrill-county-courthouse) — Nebraska, US · Historic Site
- [Bertrand F. Harrison Arboretum](https://www.snappit.app/guides/places/bertrand-f-harrison-arboretum) — Utah, US · Botanical Garden
- [Fort George Wright](https://www.snappit.app/guides/places/fort-george-wright) — Washington, US · Historic Site
- [Hooker County Courthouse](https://www.snappit.app/guides/places/hooker-county-courthouse) — Nebraska, US · Historic Site
- [Provo City Library](https://www.snappit.app/guides/places/provo-city-library) — Utah, US · Historic District
- [Reptile Gardens](https://www.snappit.app/guides/places/reptile-gardens) — South Dakota, US · Zoo

[View all places to see Curlycup Gumweed](https://www.snappit.app/guides/where-to-see/curlycup-gumweed)

## 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: [Curlycup Gumweed: Facts & Places to See — Snappit](https://www.snappit.app/explore/curlycup-gumweed)
