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

San Joaquin woollythread

Monolopia congdonii

Also called San Joaquin Woolly Threads, San Joaquin Woollythreads

San Joaquin woollythread
Photo: Kylie Etter, CC BY 4.0

San Joaquin woollythread is a rare, small annual wildflower native to California's southern San Joaquin Valley and one area of Santa Barbara County, and it is federally listed as endangered. It is not a plant for home gardens and should be left to specialist conservation growers.

Family
Asteraceae (Daisy family)
Light
Full sun
Water
Water sparingly; it is adapted to dry conditions and seasonal rain.
Soil
Well-drained, sandy or alkaline soils typical of its native habitat.
Temperature
Adapted to Mediterranean-type seasonal climate; protect from hard frost.
How easy
Hard
Native range
California

About

Monolopia congdonii (formerly Lembertia congdonii) is a rare species of flowering plant in the family Asteraceae known by the common name San Joaquin woollythread. It is endemic to California, where it is known only from the southern San Joaquin Valley and one area in nearby Santa Barbara County. It is a federally listed endangered species.

Other Monolopia plants

Woodland monolopia · Common monolopia · Cupped monolopia · Crum's monolopia · Hillside Daisies

Text excerpted from the Wikipedia article Monolopia congdonii 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…