North America Native Plant

Speckled Clarkia

Botanical name: Clarkia cylindrica clavicarpa

USDA symbol: CLCYC

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Speckled Clarkia: A Rare California Native Annual Worth Discovering Meet speckled clarkia (Clarkia cylindrica clavicarpa), a charming native wildflower that’s as mysterious as it is beautiful. If you’re scratching your head because you’ve never heard of this plant, you’re not alone – this particular variety is quite elusive in the ...

Speckled Clarkia: A Rare California Native Annual Worth Discovering

Meet speckled clarkia (Clarkia cylindrica clavicarpa), a charming native wildflower that’s as mysterious as it is beautiful. If you’re scratching your head because you’ve never heard of this plant, you’re not alone – this particular variety is quite elusive in the gardening world, but that’s exactly what makes it intriguing for native plant enthusiasts looking for something truly special.

What Makes Speckled Clarkia Special?

This delightful annual belongs to the evening primrose family and is proudly native to the United States, specifically calling California home. As a true California native, speckled clarkia has evolved alongside local wildlife and climate conditions, making it a perfect choice for gardeners wanting to support their local ecosystem.

Speckled clarkia is what botanists call a forb – basically a fancy term for a non-woody flowering plant that puts all its energy into gorgeous blooms rather than building tree-like stems. Think of it as nature’s way of saying why be sturdy when you can be spectacular?

Where Does It Grow?

Currently documented in California, this native beauty has adapted to the Golden State’s unique climate and growing conditions. Its limited range makes it a special addition to California native gardens and a conversation starter for plant nerds everywhere.

Should You Plant Speckled Clarkia?

Here’s where things get interesting – and a bit challenging. While speckled clarkia sounds absolutely wonderful in theory, finding reliable information about this specific variety is like searching for a needle in a haystack. This could mean it’s either extremely rare, possibly extinct in cultivation, or the taxonomic name might not be widely recognized in current botanical references.

The honest truth: You might have trouble finding seeds or plants of this exact variety. But don’t let that discourage you from exploring the wonderful world of Clarkia species! There are other beautiful, well-documented Clarkia varieties that might satisfy your native plant cravings.

Growing Tips (If You Can Find It!)

Based on what we know about this annual forb, here are some general guidelines:

  • As an annual, it completes its entire life cycle in one growing season
  • Being a California native, it likely prefers Mediterranean-type climates
  • Most Clarkia species enjoy well-draining soil and moderate water
  • Plant from seed in fall or early spring for best results

Alternative Suggestions

If you’re drawn to the idea of growing speckled clarkia but can’t track it down, consider these readily available California native alternatives:

  • Farewell-to-spring (Clarkia amoena) – stunning pink and white flowers
  • Elegant clarkia (Clarkia unguiculata) – delicate, papery blooms
  • Mountain garland (Clarkia unguiculata) – another gorgeous annual option

The Bottom Line

Speckled clarkia represents the fascinating complexity of native plant taxonomy – sometimes the most intriguing plants are also the most elusive. While we can appreciate its status as a California native annual, the practical reality is that you’re more likely to find success with its better-documented cousins in the Clarkia family.

If you do happen to stumble upon seeds or plants labeled as Clarkia cylindrica clavicarpa, consider yourself incredibly lucky and treat them like the botanical treasure they appear to be. And remember, supporting any native Clarkia species is a win for pollinators, wildlife, and your local ecosystem!

Speckled Clarkia

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Myrtales

Family

Onagraceae Juss. - Evening Primrose family

Genus

Clarkia Pursh - clarkia

Species

Clarkia cylindrica (Jeps.) F.H. Lewis & M.E. Lewis - speckled clarkia

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