North America Native Plant

Carolina Scalystem

Botanical name: Elytraria caroliniensis var. angustifolia

USDA symbol: ELCAA2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Elytraria virgata Michx. var. angustifolia Fernald (ELVIA4)  âš˜  Tubiflora angustifolia (Fernald) Small (TUAN2)   

Carolina Scalystem: A Rare Florida Native Worth Knowing If you’re passionate about native plants and love discovering botanical treasures, Carolina scalystem (Elytraria caroliniensis var. angustifolia) might just capture your interest. This lesser-known native perennial represents one of Florida’s more specialized wildflowers, though it’s definitely not your typical garden center find. ...

Rare plant alert!

Region: Conservation status by state

Status: S4T2: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Carolina Scalystem: A Rare Florida Native Worth Knowing

If you’re passionate about native plants and love discovering botanical treasures, Carolina scalystem (Elytraria caroliniensis var. angustifolia) might just capture your interest. This lesser-known native perennial represents one of Florida’s more specialized wildflowers, though it’s definitely not your typical garden center find.

What Makes Carolina Scalystem Special?

Carolina scalystem is a native perennial forb, which simply means it’s a soft-stemmed flowering plant that comes back year after year. Unlike woody shrubs or trees, this plant maintains its herbaceous nature, with growth buds that overwinter at or below ground level. It’s part of the diverse tapestry of Florida’s native flora, having evolved specifically to thrive in the unique conditions of the southeastern United States.

Where You’ll Find This Native Gem

Currently documented only in Florida, this variety of Carolina scalystem has a quite limited natural range within the lower 48 states. Its restricted distribution makes it a particularly interesting species for native plant enthusiasts who appreciate Florida’s botanical diversity.

A Word About Rarity

Here’s something important to know: Carolina scalystem carries a Global Conservation Status of S4T2, indicating it’s considered uncommon to rare. This means that if you’re interested in growing this plant, sourcing becomes crucial. Always ensure you’re obtaining plants or seeds from reputable native plant nurseries that propagate their stock rather than wild-collecting.

The Garden Reality Check

Let’s be honest – Carolina scalystem isn’t going to be the showstopper in your landscape design. This is a plant for the true native plant collector, the gardener who values biodiversity over flashy blooms, and those committed to preserving Florida’s natural heritage. Detailed growing information is limited, which tells us this species hasn’t made the jump from wildland to widespread cultivation.

Growing Considerations

As a Florida native perennial, Carolina scalystem would theoretically be adapted to:

  • Florida’s climate conditions and seasonal patterns
  • Local soil types and drainage patterns
  • The state’s natural rainfall cycles
  • Native pollinator relationships

However, specific cultural requirements like soil pH preferences, moisture needs, sun exposure, and spacing recommendations aren’t well-documented for this particular variety.

Should You Plant Carolina Scalystem?

If you’re a dedicated native plant gardener in Florida and can source this plant responsibly, growing Carolina scalystem could contribute to conservation efforts by maintaining genetic diversity outside of wild populations. However, given the limited information available about its cultivation needs and garden performance, it’s definitely a plant for experienced native gardeners rather than beginners.

For most gardeners interested in supporting native ecosystems, focusing on more readily available and well-documented Florida natives might be a more practical approach while still achieving conservation goals.

The Bottom Line

Carolina scalystem represents the kind of botanical specialization that makes Florida’s flora so fascinating. While it may not become a garden staple, its existence reminds us of the incredible diversity hidden within our native plant communities. If you encounter this plant in the wild, take a moment to appreciate this quiet member of Florida’s natural heritage – and remember that sometimes the most valuable plants are the ones we preserve rather than cultivate.

Carolina Scalystem

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

Scrophulariales

Family

Acanthaceae Juss. - Acanthus family

Genus

Elytraria Michx. - scalystem

Species

Elytraria caroliniensis (J.F. Gmel.) Pers. - Carolina scalystem

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