North America Native Plant

Caulostramina

Botanical name: Caulostramina

USDA symbol: CAULO2

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Caulostramina: A Mysterious California Native If you’ve stumbled across the name caulostramina in your native plant research, you might be scratching your head – and you’re not alone! This particular plant name presents quite the botanical puzzle for gardeners and plant enthusiasts alike. What We Know About Caulostramina Based on ...

Caulostramina: A Mysterious California Native

If you’ve stumbled across the name caulostramina in your native plant research, you might be scratching your head – and you’re not alone! This particular plant name presents quite the botanical puzzle for gardeners and plant enthusiasts alike.

What We Know About Caulostramina

Based on available botanical records, Caulostramina is described as a perennial herbaceous plant (or forb) that’s supposedly native to California. As a forb, it would be a non-woody flowering plant – the kind that dies back to the ground each winter and returns from its roots in spring. Think of it as being in the same category as wildflowers, rather than shrubs or trees.

Geographic Distribution

The limited information available suggests that Caulostramina is found in California, making it part of the Golden State’s incredibly diverse native flora.

The Mystery Deepens

Here’s where things get interesting (and a bit frustrating for curious gardeners): despite extensive searching through botanical databases, horticultural resources, and native plant catalogs, detailed information about Caulostramina is remarkably scarce. This could mean several things:

  • It might be an extremely rare or recently discovered species
  • The name could be outdated or incorrect
  • It may be a regional common name that doesn’t correspond to widely recognized botanical nomenclature

What This Means for Gardeners

If you’re interested in growing native California plants, the uncertainty around Caulostramina means you might want to explore other well-documented native options instead. California boasts thousands of native plant species that are readily available, well-researched, and proven performers in gardens.

Alternative California Native Forbs to Consider

While we sort out the Caulostramina mystery, consider these fantastic native California forbs that will definitely thrive in your garden:

  • California poppies (Eschscholzia californica) for brilliant orange blooms
  • Purple needlegrass (Stipa pulchra) for graceful texture
  • Coreopsis species for cheerful yellow flowers
  • Native lupines for stunning spikes of blue or purple flowers

The Bottom Line

Sometimes in the plant world, we encounter names and references that lead us down rabbit holes of botanical detective work. Caulostramina appears to be one of those cases. While the lack of solid information means we can’t recommend specific growing techniques or landscape uses, it’s a good reminder of how much we still have to learn about our native flora.

If you have reliable information about this plant or have encountered it in the wild, we’d love to hear from you! In the meantime, there are plenty of well-documented California natives waiting to bring beauty and ecological benefits to your garden.

Caulostramina

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Capparales

Family

Brassicaceae Burnett - Mustard family

Genus

Caulostramina Rollins - caulostramina

Species

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