North America Native Plant

Abrams’ Oxytheca

Botanical name: Oxytheca parishii var. abramsii

USDA symbol: OXPAA

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Eriogonum abramsii (McGregor) S. Stokes (ERAB5)  âš˜  Oxytheca abramsii McGregor (OXAB)  âš˜  Oxytheca parishii Parry ssp. abramsii (McGregor) Munz (OXPAA2)   

Abrams’ Oxytheca: A Rare California Native Worth Protecting If you’ve never heard of Abrams’ oxytheca, you’re not alone. This tiny California native is one of those special plants that reminds us just how diverse and unique our native flora can be – and how much we still have to learn ...

Rare plant alert!

Region: Conservation status by state

Status: S4?T2: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Abrams’ Oxytheca: A Rare California Native Worth Protecting

If you’ve never heard of Abrams’ oxytheca, you’re not alone. This tiny California native is one of those special plants that reminds us just how diverse and unique our native flora can be – and how much we still have to learn about the natural world in our own backyards.

What Is Abrams’ Oxytheca?

Abrams’ oxytheca (Oxytheca parishii var. abramsii) is a small annual forb – essentially a soft-stemmed plant that completes its entire life cycle in one growing season. Unlike woody shrubs or trees, this delicate native lacks any significant woody tissue and stays close to the ground throughout its brief but important life.

You might also see this plant referenced by several scientific synonyms in older botanical literature, including Eriogonum abramsii and Oxytheca abramsii, but these all refer to the same special little plant.

Where Does It Call Home?

This California endemic has a very limited range within the Golden State. As a native species of the lower 48 states, Abrams’ oxytheca has evolved specifically to thrive in California’s unique environmental conditions.

A Plant of Conservation Concern

Here’s where things get serious: Abrams’ oxytheca carries a Global Conservation Status of S4?T2. While the exact meaning of this ranking is listed as undefined in our databases, any plant with such a specific conservation designation deserves our attention and respect. This status suggests that the plant may be uncommon, vulnerable, or of special conservation interest.

Should You Grow Abrams’ Oxytheca?

This is where I need to pump the brakes a bit. Given the apparent rarity of this variety and the limited information available about its cultivation, I’d strongly recommend against trying to grow Abrams’ oxytheca in your home garden. Here’s why:

  • Its conservation status suggests it may be vulnerable in the wild
  • Very little is known about its specific growing requirements
  • Seed or plant material may not be ethically available
  • Disturbing wild populations could harm this rare variety

How You Can Help Instead

Rather than trying to cultivate this rare beauty, consider these alternatives:

  • Support California native plant conservation organizations
  • Learn to identify and appreciate Abrams’ oxytheca in its natural habitat
  • Choose other California native annuals that are more common and suitable for garden cultivation
  • Participate in citizen science projects that help track rare plant populations

The Bigger Picture

Abrams’ oxytheca represents something really important in the native plant world: the incredible diversity and specialization that exists within our native ecosystems. These rare varieties and subspecies are like nature’s own limited editions – they’ve evolved to fill very specific ecological niches and often have fascinating stories to tell about California’s natural history.

While we can’t bring every rare native into our gardens, we can certainly develop a deeper appreciation for the complexity and beauty of our native plant communities. Sometimes the best way to honor a special plant is to let it be exactly where it belongs – wild and free in its natural California home.

So next time you’re out exploring California’s natural areas, keep your eyes peeled. You might just spot this little gem doing what it does best – quietly carrying on the ancient traditions of California’s native flora, one growing season at a time.

Abrams’ Oxytheca

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Polygonales

Family

Polygonaceae Juss. - Buckwheat family

Genus

Oxytheca Nutt. - oxytheca

Species

Oxytheca parishii Parry - Parish's oxytheca

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA