North America Native Plant

Purpleflower Pinkroot

Botanical name: Spigelia alabamensis

USDA symbol: SPAL6

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Spigelia gentianoides auct. non Chapm. ex A. DC. (SPGE4)  âš˜  Spigelia gentianoides Chapm. ex A. DC. var. alabamensis K. Gould (SPGEA)   

Purpleflower Pinkroot: A Rare Alabama Treasure Worth Protecting Meet one of Alabama’s most elusive botanical gems: the purpleflower pinkroot (Spigelia alabamensis). This isn’t your run-of-the-mill native plant – it’s a genuine rarity that makes finding a four-leaf clover look like child’s play. If you’re the type of gardener who gets ...

Rare plant alert!

Region: Alabama

Status: S1T1: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘

Region: Alabama

Purpleflower Pinkroot: A Rare Alabama Treasure Worth Protecting

Meet one of Alabama’s most elusive botanical gems: the purpleflower pinkroot (Spigelia alabamensis). This isn’t your run-of-the-mill native plant – it’s a genuine rarity that makes finding a four-leaf clover look like child’s play. If you’re the type of gardener who gets excited about conservation and truly special plants, this little beauty might just capture your heart.

What Makes Purpleflower Pinkroot Special?

Purpleflower pinkroot is a perennial forb that’s about as Alabama as sweet tea and college football. This native wildflower belongs exclusively to the Heart of Dixie, making it a true endemic species. Unlike many plants that spread across multiple states, this particular pinkroot has chosen Alabama as its one and only home.

The plant produces small, tubular flowers in lovely shades of purple and pink, arranged in attractive terminal spikes that seem to reach skyward like tiny botanical fireworks. As a member of the Loganiaceae family, it’s related to other Spigelia species, but this one has carved out its own unique niche in Alabama’s ecosystem.

Where Does It Grow?

Here’s where things get interesting (and a bit concerning): purpleflower pinkroot is found only in Alabama. That’s it. No other states can claim this botanical treasure, which makes it both incredibly special and incredibly vulnerable.

A Word About Rarity

Important Conservation Note: Before you start planning your purpleflower pinkroot garden, there’s something crucial you need to know. This plant has a Global Conservation Status of S1T1, which in plain English means it’s extremely rare and at high risk. In Alabama, it carries an S1 rarity status – the most critical level for state conservation.

What does this mean for you as a gardener? If you’re determined to grow this remarkable plant, you absolutely must source it responsibly. Never collect from wild populations, and only purchase from reputable native plant nurseries that propagate their own stock. Better yet, consider supporting conservation efforts for this species instead of trying to grow it yourself.

Growing Conditions and Care

Should you manage to find ethically sourced purpleflower pinkroot, here’s what this Alabama native prefers:

  • Light: Partial shade works best – think dappled sunlight under trees
  • Soil: Well-draining but consistently moist, organic-rich soil
  • Climate: USDA Hardiness Zones 7-9 (perfect for its Alabama home)
  • Water: Regular moisture without waterlogging

As a forb (basically a non-woody perennial), it doesn’t develop significant woody tissue but returns year after year from its root system. This growth habit makes it perfect for woodland gardens and native plant borders.

Wildlife and Pollinator Benefits

Those tubular flowers aren’t just pretty – they’re practically designed for hummingbirds and long-tongued butterflies. The flower shape and color make this plant a specialized pollinator magnet, which is another reason why its conservation is so important. When rare plants disappear, they often take specialized pollinator relationships with them.

Garden Design and Landscape Use

If you’re lucky enough to grow purpleflower pinkroot, it shines in:

  • Native plant gardens focused on Alabama species
  • Conservation-minded landscapes
  • Shade gardens with other woodland natives
  • Butterfly and hummingbird gardens

Pair it with other Alabama natives like wild ginger, trout lily, or native ferns for an authentic woodland feel.

The Bottom Line

Purpleflower pinkroot represents both the beauty and fragility of our native plant heritage. While it’s tempting to want this rare gem in your garden, the best way to appreciate it might be supporting conservation efforts and visiting it in its natural habitat (if you’re lucky enough to find it).

If you do choose to grow it, remember: only from responsible sources, and consider yourself a conservation steward rather than just a gardener. Sometimes the rarest plants teach us that the most meaningful way to love something is to protect it first and enjoy it second.

For most gardeners, exploring other Alabama native Spigelia species might be a more practical way to enjoy this fascinating plant family while supporting conservation efforts for the truly rare purpleflower pinkroot.

Purpleflower Pinkroot

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

Loganiaceae R. Br. ex Mart. - Logania family

Genus

Spigelia L. - pinkroot

Species

Spigelia alabamensis (K. Gould) K.G. Mathews & Weakley - purpleflower pinkroot

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