North America Non-native Plant

Caralluma Russelliana

Botanical name: Caralluma russelliana

USDA symbol: CARU23

Native status: Not native but doesn't reproduce and persist in the wild

Caralluma russelliana: A Mysterious Succulent Worth Investigating If you’ve stumbled upon the name Caralluma russelliana in your plant research, you’re likely experiencing the same curiosity and confusion that many gardeners feel when encountering this elusive species. This succulent belongs to the fascinating Caralluma genus, but finding reliable information about C. ...

Caralluma russelliana: A Mysterious Succulent Worth Investigating

If you’ve stumbled upon the name Caralluma russelliana in your plant research, you’re likely experiencing the same curiosity and confusion that many gardeners feel when encountering this elusive species. This succulent belongs to the fascinating Caralluma genus, but finding reliable information about C. russelliana specifically is like searching for a needle in a haystack – and that’s part of what makes it so intriguing!

What We Know (And Don’t Know)

Caralluma russelliana is classified as a dicot, placing it in the same broad category as many familiar flowering plants. However, beyond this basic classification, concrete information about this particular species is remarkably scarce. We don’t have confirmed details about its common names, native range, or specific growing requirements.

This lack of readily available information could mean several things: it might be an extremely rare species, a recently described plant with limited cultivation history, or possibly a name that’s fallen out of current taxonomic use.

The Caralluma Connection

What we do know is that if C. russelliana truly belongs to the Caralluma genus, it would share some family traits with its better-known relatives. Caralluma species are typically:

  • Succulent plants with thick, fleshy stems
  • Members of the milkweed family (Apocynaceae)
  • Native to Africa, the Mediterranean, and parts of Asia
  • Drought-tolerant once established
  • Producers of small, often star-shaped flowers

Should You Try Growing It?

Here’s where things get tricky. Without confirmed information about C. russelliana’s native status, invasive potential, or conservation status, it’s difficult to make specific recommendations. If you encounter this plant for sale or trade, here are some questions to ask:

  • Can the seller provide information about its origin and identification?
  • Is there documentation of its growing requirements?
  • Has it been properly identified by a botanical expert?

A More Reliable Alternative

If you’re drawn to the idea of growing a Caralluma species but can’t find reliable information about C. russelliana, consider exploring well-documented alternatives like Caralluma fimbriata or Caralluma europaea. These species have established cultivation guidelines and known characteristics that make them more suitable for home gardeners.

The Joy of Plant Mysteries

Sometimes the most intriguing plants are the ones that remain mysterious. Caralluma russelliana represents one of those delightful botanical puzzles that remind us how much we still have to learn about the plant kingdom. Whether it’s a hidden gem waiting to be rediscovered or a taxonomic ghost from botanical literature past, it certainly sparks curiosity!

If you’re a serious plant collector or researcher and believe you have access to authentic C. russelliana, consider reaching out to botanical institutions or succulent societies. Your findings could help fill in the missing pieces of this plant’s story.

Until more information becomes available, the mystery of Caralluma russelliana continues – and perhaps that’s part of its charm.

Caralluma Russelliana

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

Gentianales

Family

Asclepiadaceae Borkh. - Milkweed family

Genus

Caralluma R. Br. - caralluma

Species

Caralluma russelliana (Courbon ex Brongn.) Cufod.

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