North America Non-native Plant

Lupinus Angustifolius Reticulatus

Botanical name: Lupinus angustifolius reticulatus

USDA symbol: LUANR2

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

Synonyms: Lupinus reticulatus Desv. (LURE6)   

Lupinus angustifolius reticulatus: A Mysterious Member of the Lupine Family If you’ve stumbled across the name Lupinus angustifolius reticulatus in your gardening research, you might be scratching your head wondering exactly what this plant is. Don’t worry – you’re not alone! This particular botanical name presents quite the puzzle, even ...

Lupinus angustifolius reticulatus: A Mysterious Member of the Lupine Family

If you’ve stumbled across the name Lupinus angustifolius reticulatus in your gardening research, you might be scratching your head wondering exactly what this plant is. Don’t worry – you’re not alone! This particular botanical name presents quite the puzzle, even for seasoned native plant enthusiasts.

The Name Game: What’s in a Scientific Name?

Lupinus angustifolius reticulatus is listed in some databases with the synonym Lupinus reticulatus Desv., but here’s where things get tricky. Current botanical literature and major plant databases provide very little concrete information about this specific name. This could mean several things:

  • The name may be outdated or superseded by current taxonomy
  • It could be a regional variant that’s poorly documented
  • There might be confusion with other lupine species

What We Do Know

This plant belongs to the lupine family (Lupinus), which includes many beloved native wildflowers known for their distinctive spike-like flower clusters and palmate leaves. Lupines are generally:

  • Part of the legume family, meaning they fix nitrogen in the soil
  • Important food sources for various butterfly larvae
  • Adapted to a wide range of growing conditions depending on the species

The Geographic Mystery

Unfortunately, reliable information about where Lupinus angustifolius reticulatus naturally occurs is not readily available in current botanical resources. Without knowing its native range, it’s impossible to determine whether this would be appropriate for your local ecosystem.

A Word of Caution for Gardeners

Given the uncertainty surrounding this particular botanical name, we’d recommend taking a step back before adding it to your garden wish list. Here’s what you should do instead:

  • Double-check the plant identification with local botanists or extension services
  • Verify the botanical name with current taxonomic databases
  • Consider well-documented native lupine alternatives for your region

Better Lupine Options for Your Garden

While we sort out the mystery of Lupinus angustifolius reticulatus, there are plenty of well-documented native lupines that make excellent garden additions:

  • Lupinus perennis (Wild Lupine) – native to eastern North America
  • Lupinus polyphyllus (Large-leaved Lupine) – native to western North America
  • Lupinus texensis (Texas Bluebonnet) – perfect for southern gardens

The Bottom Line

Sometimes in the plant world, we encounter botanical names that are more mystery than reality. Lupinus angustifolius reticulatus appears to be one of these puzzling cases. Rather than risk planting something inappropriate for your local ecosystem, we recommend working with your local native plant society or extension office to identify well-documented lupine species that are truly native to your area.

After all, the best native gardens are built on solid botanical foundations – and that starts with knowing exactly what you’re planting!

Lupinus Angustifolius Reticulatus

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Lupinus L. - lupine

Species

Lupinus angustifolius L. - narrowleaf lupine

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