North America Non-native Plant

Solanum Mariannense

Botanical name: Solanum mariannense

USDA symbol: SOMA12

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

The Mystery of Solanum mariannense: A Plant That’s Hard to Pin Down Have you ever stumbled across a plant name that seems to lead you down a rabbit hole of botanical mystery? Meet Solanum mariannense, a member of the nightshade family that’s proving to be quite the enigma in the ...

The Mystery of Solanum mariannense: A Plant That’s Hard to Pin Down

Have you ever stumbled across a plant name that seems to lead you down a rabbit hole of botanical mystery? Meet Solanum mariannense, a member of the nightshade family that’s proving to be quite the enigma in the gardening world.

What We Know (And What We Don’t)

Here’s the thing about Solanum mariannense – it’s surprisingly elusive when it comes to reliable information. While it carries the scientific classification of a dicot in the Solanum genus (which includes familiar plants like tomatoes, potatoes, and eggplants), finding concrete details about this particular species is like searching for a needle in a haystack.

The lack of readily available information about its common names, native range, growing requirements, or even basic appearance suggests this might be:

  • An extremely rare or localized species with limited documentation
  • A botanical name that’s fallen out of current use
  • A misidentification or variant of a better-known Solanum species

The Solanum Family Connection

While we can’t give you the full scoop on Solanum mariannense specifically, we do know it belongs to a fascinating plant family. The Solanum genus is incredibly diverse, with over 1,000 species worldwide ranging from tiny ground-hugging herbs to substantial shrubs and even small trees.

Many Solanum species are known for their star-shaped flowers (often white or purple) and colorful berries, making them potentially attractive additions to gardens – when you can find reliable growing information, that is!

A Word of Caution

Given the mystery surrounding this particular species and the fact that many Solanum plants contain compounds that can be toxic if consumed, we’d recommend extreme caution if you somehow encounter seeds or plants labeled as Solanum mariannense. Without clear identification and growing guidelines, it’s not worth the risk.

Better Alternatives for Your Garden

If you’re drawn to the idea of growing something from the Solanum family, consider these well-documented alternatives:

  • Native groundcherries (Physalis species) – Many regions have native species perfect for wildlife gardens
  • Native nightshades – Look for species native to your specific region
  • Ornamental peppers – Colorful, well-behaved relatives that are easy to grow

The Bottom Line

Sometimes in the plant world, mystery species like Solanum mariannense remind us that not every botanical name leads to a garden-worthy plant. When reliable information is this scarce, it’s usually best to stick with well-documented species that will give you the growing success you’re after.

If you’re determined to explore unusual Solanum species, work with reputable native plant societies or botanical gardens in your area – they’ll be able to point you toward species that are both interesting and appropriate for your local ecosystem.

Happy gardening, and remember – sometimes the most exciting plant discoveries happen right in our own backyards with species we already know and love!

Solanum Mariannense

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

Solanaceae Juss. - Potato family

Genus

Solanum L. - nightshade

Species

Solanum mariannense Hosok.

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