North America Native Plant

Urban’s Nakedwood

Botanical name: Colubrina verrucosa

USDA symbol: COVE6

Life cycle: perennial

Habit: shrub

Native status: Native to Puerto Rico  

Synonyms: Colubrina urbanii M.C. Johnst. (COUR)  âš˜  Hybosperma spinosum Urb. (HYSP7)   

Urban’s Nakedwood: A Hidden Gem for Caribbean Gardens If you’re gardening in Puerto Rico or other tropical Caribbean locations, you might want to get acquainted with Urban’s nakedwood (Colubrina verrucosa). This unassuming native shrub might not have the flashiest name, but it’s got some serious staying power and could be ...

Urban’s Nakedwood: A Hidden Gem for Caribbean Gardens

If you’re gardening in Puerto Rico or other tropical Caribbean locations, you might want to get acquainted with Urban’s nakedwood (Colubrina verrucosa). This unassuming native shrub might not have the flashiest name, but it’s got some serious staying power and could be just the low-maintenance plant your landscape needs.

What is Urban’s Nakedwood?

Urban’s nakedwood is a perennial shrub that’s native to Puerto Rico. You might also see it listed under its scientific synonyms Colubrina urbanii or Hybosperma spinosum in older references. This multi-stemmed woody plant typically stays under 13-16 feet tall, making it perfect for smaller spaces or as an understory plant beneath taller trees.

Where Does It Grow?

This plant is a true Puerto Rican native, making it an excellent choice for anyone looking to support local ecosystems and create authentic Caribbean landscapes. Its natural range is limited to Puerto Rico, so if you’re gardening elsewhere, this particular species won’t be an option for you.

Why Consider Urban’s Nakedwood for Your Garden?

Here’s where this humble shrub really shines:

  • Native plant benefits: As a Puerto Rican native, it supports local wildlife and fits naturally into the ecosystem
  • Low maintenance: Once established, it’s quite drought tolerant and doesn’t need constant attention
  • Manageable size: Won’t outgrow small spaces or overwhelm other plants
  • Authentic landscaping: Perfect for creating genuine Caribbean native plant gardens

Growing Conditions and Care

Urban’s nakedwood is pretty easygoing when it comes to growing conditions, which is always a plus for busy gardeners:

  • Climate: USDA zones 10-11 (tropical and subtropical areas)
  • Light: Full sun to partial shade
  • Soil: Well-draining soils are essential
  • Water: Drought tolerant once established, but will appreciate regular watering during dry spells

Planting and Care Tips

Getting Urban’s nakedwood established in your garden is fairly straightforward:

  • Plant in well-draining soil to prevent root rot
  • Water regularly during the first growing season to help establish roots
  • Once established, it can handle dry periods quite well
  • Occasional pruning will help maintain shape and encourage bushier growth
  • Very little fertilizer needed – native plants typically thrive without much supplemental feeding

Garden Design Ideas

Urban’s nakedwood works well in several landscape scenarios:

  • Native plant gardens focused on Puerto Rican species
  • Xerophytic or drought-tolerant landscapes
  • Natural hedging or screening (though you’ll need multiple plants)
  • Understory planting beneath taller native trees
  • Coastal gardens where salt tolerance is beneficial

Wildlife and Pollinator Benefits

While specific data on wildlife benefits isn’t extensively documented, native shrubs like Urban’s nakedwood typically support local insects and birds. The small flowers likely attract various pollinators, and the shrub structure can provide nesting sites and shelter for small birds and beneficial insects.

The Bottom Line

Urban’s nakedwood might not be the showiest plant in the garden, but it’s a solid choice for Puerto Rican gardeners who want to incorporate authentic native plants into their landscapes. Its drought tolerance, manageable size, and low-maintenance nature make it particularly appealing for sustainable, water-wise gardening approaches.

If you’re gardening outside of Puerto Rico, you won’t be able to grow this particular species, but look for native Colubrina species in your area or consult with local native plant societies for similar alternatives that would thrive in your region.

Urban’s Nakedwood

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

Rhamnales

Family

Rhamnaceae Juss. - Buckthorn family

Genus

Colubrina Rich. ex Brongn. - nakedwood

Species

Colubrina verrucosa (Urb.) M.C. Johnst. - Urban's nakedwood

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