Plant Wiki

The open plant encyclopedia

Know any plant.
Grow it well.

Snap a photo or search by any name to see how to care for it, where it comes from, whether it's safe, and a 3D model you can turn.

  • 13,000+plants with full pages
  • 365,000+plant species worldwide
  • 220+countries covered

Common in

See all

The plants people record most in your country, and ones that grow there wild.

What do you want to do?

Popular plants

Browse all plants

See them in 3D

All plants in 3D

Browse plants

Filter by what you want to do, shape, origin, country, care and safety.

Plant Wiki › Browse plants

Cactus

Melocactus glaucescens

Also called Woolly Wax Stem Turk's Cap Cactus

Cactus
Photo: KENPEI, CC BY-SA 3.0

Melocactus glaucescens is a small, globe-shaped cactus from Bahia, Brazil, with a bluish-grey body and a woolly cap (cephalium) that bears flowers. It is a rare species from seasonally dry rocky ground, so it needs strong light, sharp drainage and very sparing water.

Family
Cactaceae (Cactus family)
Grows as
Shrub, Succulent
Light
Full sun
Water
Water sparingly during the warm growing season and let the soil dry out completely between waterings; keep it nearly dry in winter.
Soil
Very fast-draining cactus mix with added grit, pumice or perlite.
Temperature
18–35 °C; protect below 10 °C
How easy
Moderate
Native range
Brazil (Bahia)
Climate
seasonally dry tropical

About

Melocactus glaucescens is a species of plant in the family Cactaceae. It is endemic to Brazil. Its natural habitats are rocky areas and hot deserts. It is threatened by habitat loss.

Melocactus glaucescens is identified by its glaucous appearance and its often whitish-yellow cephalium. The color of its cephalium varies slightly based on population.

Other Melocactus plants

Turk's Cap Cactus · Melocactus bahiensis · Melocactus bellavistensis · Melocactus braunii · Melocactus caroli-linnaei · Cone Like Turk's Head Cactus · Melocactus curvispinus · Wonderful Bristle Turk's Head Cactus · Melocactus ernestii · Melocactus estevesii · Melocactus harlowii · Melocactus heimenii

Text excerpted from the Wikipedia article Melocactus glaucescens by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

Credits & terms

Identify a plant

Point at a leaf or flower and snap. One plant in frame works best.

Your photo
Starting camera…