North America Non-native Plant

Krapovickasia

Botanical name: Krapovickasia physaloides

USDA symbol: KRPH

Life cycle: perennial

Habit: forb

Native status: Non-native, reproduces and persists in the wild in the lower 48 states  

Synonyms: Sida physaloides C. Presl (SIPH3)   

Krapovickasia: A Rare Non-Native Perennial Forb If you’ve stumbled across the name krapovickasia in your plant research, you’ve discovered one of the more mysterious members of the botanical world. Krapovickasia physaloides is a perennial forb that has found its way to Texas, though information about this unusual plant remains surprisingly ...

Krapovickasia: A Rare Non-Native Perennial Forb

If you’ve stumbled across the name krapovickasia in your plant research, you’ve discovered one of the more mysterious members of the botanical world. Krapovickasia physaloides is a perennial forb that has found its way to Texas, though information about this unusual plant remains surprisingly scarce.

What is Krapovickasia?

Krapovickasia (Krapovickasia physaloides) is a non-native perennial forb that belongs to the group of vascular plants without significant woody tissue. As a forb, it’s herbaceous in nature, meaning it dies back to the ground each winter but returns from its root system year after year. You might also see it listed under its botanical synonym, Sida physaloides C. Presl.

Where Does Krapovickasia Grow?

Currently, krapovickasia has established itself in Texas, where it reproduces spontaneously in the wild without human assistance. This suggests the plant has found conditions suitable for its survival in the Lone Star State, though its original native range appears to be elsewhere.

Should You Grow Krapovickasia in Your Garden?

Here’s where things get tricky – there’s remarkably little information available about growing krapovickasia in cultivation. This lack of horticultural guidance, combined with its non-native status, makes it a challenging choice for most gardeners. We don’t know its:

  • Preferred growing conditions
  • USDA hardiness zones
  • Mature size or growth rate
  • Aesthetic qualities
  • Benefits to pollinators or wildlife
  • Invasive potential

Better Alternatives for Texas Gardeners

Instead of taking a chance on this mysterious plant, Texas gardeners have access to countless beautiful native forbs that offer known benefits and reliable growing information. Consider these native Texas perennials instead:

  • Turk’s Cap (Malvaviscus arboreus var. drummondii)
  • Flame-leaf Sumac (Rhus lanceolata)
  • Gregg’s Mistflower (Conoclinium greggii)
  • Autumn Sage (Salvia greggii)

The Mystery Continues

While krapovickasia remains an enigma in the gardening world, this highlights an important point about plant selection. When choosing plants for your landscape, opt for species with well-documented growing requirements, known wildlife benefits, and proven garden performance. Native plants are almost always your best bet – they’re adapted to local conditions, support local ecosystems, and come with centuries of field testing in your area.

If you’re curious about unusual plants like krapovickasia, consider supporting botanical research or visiting botanical gardens that specialize in documenting rare and unusual species. Who knows? Maybe future research will unlock the secrets of this mysterious forb.

Krapovickasia

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Malvales

Family

Malvaceae Juss. - Mallow family

Genus

Krapovickasia Fryxell - krapovickasia

Species

Krapovickasia physaloides (C. Presl) Fryxell - krapovickasia

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