Non-native Plants

Lotus Conjugatus Requienii

Lotus conjugatus requienii

USDA symbol: LOCOR2

If you’ve stumbled across the name Lotus conjugatus requienii in your botanical adventures, you’re not alone in wondering what exactly this plant is all about. This member of the legume family is quite the enigma in the gardening world, with limited information available even to seasoned horticulturists. Lotus conjugatus requienii ...

Lotus conjugatus requienii: A Mysterious Member of the Pea Family

If you’ve stumbled across the name Lotus conjugatus requienii in your botanical adventures, you’re not alone in wondering what exactly this plant is all about. This member of the legume family is quite the enigma in the gardening world, with limited information available even to seasoned horticulturists.

What We Know (And Don’t Know)

Lotus conjugatus requienii belongs to the Lotus genus, which is part of the pea family (Fabaceae). You might also see it referenced by its synonym, Tetragonolobus requienii. Beyond this basic taxonomic information, details about this particular species are surprisingly scarce in readily available horticultural literature.

The lack of a widely recognized common name hints at just how uncommon this plant is in cultivation. While many Lotus species have earned friendly nicknames like bird’s-foot trefoil or bacon and eggs, our mysterious L. conjugatus requienii seems to have flown under the radar.

Geographic Distribution

The geographic range and native status of Lotus conjugatus requienii remain unclear from available sources. This makes it challenging to determine where gardeners might successfully cultivate this species or whether it would be appropriate for native plant gardens.

Should You Grow It?

Here’s where things get tricky. With limited information about this plant’s characteristics, growing requirements, and ecological impact, it’s difficult to make a solid recommendation either way. We don’t know if it’s invasive, rare, or simply uncommon in cultivation.

For gardeners interested in Lotus species, there are several well-documented alternatives that might scratch the same botanical itch:

  • Lotus corniculatus (Bird’s-foot trefoil) – widely available and well-studied
  • Lotus creticus – attractive Mediterranean species with silver foliage
  • Lotus berthelotii – popular trailing variety with striking red flowers

The Bottom Line

Sometimes in the plant world, we encounter species that remain tantalizingly mysterious. Lotus conjugatus requienii appears to be one of those plants – scientifically documented but practically invisible in modern horticulture.

If you’re specifically seeking this plant for research purposes or have encountered it in specialized botanical literature, your best bet would be to contact botanical gardens, university herbaria, or specialized legume collections. They might have more detailed information about its cultivation requirements and availability.

For most home gardeners, exploring the many well-documented and readily available Lotus species will likely prove more rewarding than chasing this particular botanical ghost. After all, there are plenty of fascinating legumes out there with proven garden performance and clear growing guidelines!

Lotus conjugatus requienii is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Lotus conjugatus requienii is also known as:

Tetragonolobus requienii | USDA symbol: TERE7

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Rosidae
Order: Fabales
Family: Fabaceae Lindl. - Pea family
Genus: Lotus L. - trefoil

Species: Lotus conjugatus L.

Subspecies: Lotus conjugatus L. ssp. requienii (Mauri ex Sanguin.) Greuter

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