North America Native Plant

Small-lobe Navarretia

Botanical name: Navarretia hamata parviloba

USDA symbol: NAHAP

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Navarretia hirsutissima Brand (NAHI2)   

Small-Lobe Navarretia: A Rare California Native Worth Knowing About If you’re a native plant enthusiast always on the hunt for something unique, you might have stumbled across the name small-lobe navarretia (Navarretia hamata parviloba). This little-known California native is one of those plants that makes you feel like you’ve discovered ...

Rare plant alert!

Region: Conservation status by state

Status: S4?T2T4: 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 ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘

Small-Lobe Navarretia: A Rare California Native Worth Knowing About

If you’re a native plant enthusiast always on the hunt for something unique, you might have stumbled across the name small-lobe navarretia (Navarretia hamata parviloba). This little-known California native is one of those plants that makes you feel like you’ve discovered a botanical secret – partly because there’s so little information about it!

What Is Small-Lobe Navarretia?

Small-lobe navarretia is an annual forb, which is just a fancy way of saying it’s a non-woody herbaceous plant that completes its entire life cycle in one growing season. As a member of the phlox family (Polemoniaceae), it’s related to more familiar garden plants like phlox and polemonium, though you’d be hard-pressed to see the family resemblance at first glance.

This plant is also known by the synonym Navarretia hirsutissima Brand, which gives you a hint that taxonomists have had their own debates about exactly where this little plant fits in the botanical world.

Where Does It Call Home?

Small-lobe navarretia is a true California native, found exclusively within the Golden State. As a plant native to the lower 48 states, it represents part of our unique American botanical heritage. However, its exact distribution within California appears to be quite limited.

The Rarity Factor: Why You Should Care

Here’s where things get interesting – and a bit concerning. Small-lobe navarretia has a Global Conservation Status of S4?T2T4, which essentially means we’re not entirely sure how rare this is, but it might be quite rare. That question mark in the rating tells you everything you need to know about how little we understand this plant’s current status in the wild.

This uncertainty makes small-lobe navarretia a plant worth paying attention to, even if you never grow it yourself. It represents the kind of specialized, local endemic that can easily slip through the cracks of conservation efforts simply because we don’t know enough about it.

Should You Try to Grow It?

Here’s the honest truth: growing small-lobe navarretia is probably not in the cards for most gardeners, and here’s why:

  • Extremely limited availability – you won’t find this at your local nursery
  • Unclear growing requirements due to limited research
  • Potential rarity issues make wild collection inappropriate
  • Unknown propagation methods

If you’re determined to include rare California natives in your garden, your best bet is to work with specialized native plant societies or botanical gardens that might have ethically sourced seeds or plants. Never collect from wild populations, especially when the conservation status is uncertain.

Better Alternatives for Your Native Garden

While small-lobe navarretia might not be practical for home cultivation, there are plenty of other California natives that can give you that rare plant satisfaction:

  • Other Navarretia species that are better studied and more available
  • Annual wildflowers like clarkia, lupines, and poppies
  • Native grasses and forbs suited to your specific region of California

The Bigger Picture

Sometimes the most important plants aren’t the ones we grow in our gardens, but the ones that remind us why native plant conservation matters. Small-lobe navarretia represents countless specialized species that exist in small pockets of habitat, quietly going about their business until development, climate change, or other pressures threaten their existence.

By learning about plants like small-lobe navarretia, we become better advocates for the wild spaces that harbor these botanical treasures. And who knows? Maybe someday, with better understanding and conservation efforts, this mysterious little California native will find its way into cultivation – responsibly and sustainably, of course.

For now, small-lobe navarretia remains one of those plants that’s more important for what it represents than for what it can offer our gardens directly. And sometimes, that’s exactly the kind of plant worth celebrating.

Small-lobe Navarretia

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Solanales

Family

Polemoniaceae Juss. - Phlox family

Genus

Navarretia Ruiz & Pav. - pincushionplant

Species

Navarretia hamata Greene - hooked pincushionplant

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