# John Day Pincushion (*chaenactis nevii*)

The John Day Pincushion (Chaenactis nevii) is a fascinating, rare annual wildflower native only to the scenic badlands of north-central Oregon. Thriving in the harsh, alkaline clay of the John Day Formation, this resilient little plant adds a splash of vibrant color to an otherwise barren, volcanic landscape. Its name perfectly captures the visual of its tightly packed floral heads, which look like tiny yellow pincushions nestled among grey-green leaves. Botanists and plant lovers travel from afar to catch a glimpse of this highly specialized endemic species during its brief spring bloom. Adapting to survive in soils rich in minerals but poor in nutrients, it represents a remarkable evolutionary success story of desert adaptation.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 2
- **Habitat:** Found exclusively on alkaline clay soils and volcanic ash exposures within the arid shrub-steppe of the John Day River basin.

![John Day Pincushion](https://inaturalist-open-data.s3.amazonaws.com/photos/39552808/medium.jpg)

Photo: Michael O'Loughlin, CC BY 4.0 · [iNaturalist](https://www.inaturalist.org/photos/39552808)

## Appearance

This small annual herb typically grows 10 to 30 centimeters tall, featuring branching, glandular-pubescent stems that give it a slightly sticky feel. Its leaves are deeply lobed, dusty green to grayish in color, and form a low rosette before extending up the stem. The most identifying feature is its flower head: a compact, discoid cluster of bright, golden-yellow tubular florets. Unlike other pincushions, it lacks showy ray petals, giving the bloom a distinctive, dome-shaped pincushion appearance that contrasts sharply with the pale clay soils it inhabits.

## Taxonomy

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

## Interesting facts

- It is a strict endemic to Oregon, meaning it grows wild absolutely nowhere else on Earth except around the John Day River basin.
- Its seeds can remain dormant in dry desert soil for multiple years, waiting to sprout only when winter rainfall is sufficient.
- This species is one of the very few pincushion flowers in its genus that blooms bright yellow instead of white or pink.

## Special abilities

- **Volcanic Soil Tolerance:** Successfully extracts moisture and nutrients from highly alkaline, mineral-rich clays derived from volcanic ash where most other plants cannot survive.
- **Desert Ephemeral Lifecycle:** Rapidly germinates, flowers, and sets seed in a matter of weeks during spring to evade the scorching heat of the summer desert.
- **Glandular Defense:** Possesses sticky glandular hairs on its stems and leaves that deter crawling herbivorous insects and reduce water loss.

## Measurements & details

- **Length:** 10+ cm

## Diet & Feeding

As an autotrophic plant, it utilizes chlorophyll to produce its own food through photosynthesis, capturing sunlight and absorbing essential minerals directly from the soil.

- **Primary Foods:** Sunlight, Water, Carbon dioxide, Soil minerals

## Ecological connections

- **Mutualism:** [Orange-legged Furrow Bee](https://www.snappit.app/explore/orange-legged-furrow-bee) (*Halictus rubicundus*) — Feeds on the nectar and pollen, acting as the primary pollinator for this specialized wildflower.
- **Competitor:** [Big Sagebrush](https://www.snappit.app/explore/big-sagebrush) (*Artemisia tridentata*) — Provides sparse ground cover and competes for moisture in the arid clay soils.
- **Eaten by:** [Mountain Cottontail](https://www.snappit.app/explore/mountain-cottontail) (*Sylvilagus nuttallii*) — Occasionally grazes on the foliage of young plants despite their bitter, glandular defenses.

## Safety

**Danger:** 1/5 · Very low

No special safety notes yet.

## Frequently Asked Questions

### How to identify John Day Pincushion?

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 long is John Day Pincushion?

10+ cm

### What does John Day Pincushion eat?

As an autotrophic plant, it utilizes chlorophyll to produce its own food through photosynthesis, capturing sunlight and absorbing essential minerals directly from the soil.

### Where is John Day Pincushion usually found?

Found exclusively on alkaline clay soils and volcanic ash exposures within the arid shrub-steppe of the John Day River basin.

## Where to spot

- [Painted Hills](https://www.snappit.app/guides/places/painted-hills) — Oregon, US · Natural Landmark

## 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: [John Day Pincushion: Facts & Places to See — Snappit](https://www.snappit.app/explore/john-day-pincushion)