Malacothrix foliosa subsp. foliosa

Leafy malacothrix, Leafy Malacothrix

Malacothrix foliosa subsp. foliosa (Leafy malacothrix), native California herb

(c) Adam J. Searcy, some rights reserved (CC BY) · licence

Family: Asteraceae · Type: Herb · Native

Conservation status: CNPS 4.2

Malacothrix foliosa subsp. foliosa (Leafy malacothrix) is a native California herb in the Asteraceae family, recognized by on Channel Islands; larger flowers and simple leaf lobing.

Leafy malacothrix is a California native annual found on San Clemente Island in sandy, open areas and island chaparral at elevations below 150 meters. Flowering from March to July, this plant produces white flowers with ligules up to 10 millimeters long in distinctive heads 7 to 11 millimeters wide. Growing with generally a single erect stem that branches toward the top, it reaches heights typical of small annuals. Its leaves feature distinctive narrow lobes at the base, with upper leaves shaped as narrow ovate to lanceolate blades. The small fruits are less than 1.5 millimeters long with approximately equal ribs.

Identification and appearance

Key characters: 15 sympatric species on Channel Islands; larger flowers and simple leaf lobing

Habitat and range

Habitat: Sandy, open areas or among shrubs in island chaparral

Elevation: < 150 m

Bloom period

Malacothrix foliosa subsp. foliosa blooms Mar-Jul.

Conservation status

CNPS 4.2

How to tell it apart

vs Rafinesquia: Rafinesquia has persistent pappus that stays attached; Malacothrix pappus falls off easily when disturbed.; vs Pinaropappus: Pinaropappus pappus remains attached to seeds; Malacothrix pappus falls away easily.; vs Anisocoma: Anisocoma has scale-like pappus; Malacothrix has bristly pappus that falls off easily.; vs Calycoseris: Calycoseris leaves have glandular-sticky stems; Malacothrix lacks the sticky glandular feel.; vs Agoseris: Agoseris pappus stays firmly attached; Malacothrix pappus falls off at the slightest touch.

Frequently asked questions

Is Malacothrix foliosa subsp. foliosa native to California?

Yes. Malacothrix foliosa subsp. foliosa is native to California (recorded as native).

When does Malacothrix foliosa subsp. foliosa bloom?

Malacothrix foliosa subsp. foliosa blooms Mar-Jul.

What plant family does Malacothrix foliosa subsp. foliosa belong to?

Malacothrix foliosa subsp. foliosa is in the Asteraceae family, genus Malacothrix.

Is Malacothrix foliosa subsp. foliosa rare or endangered?

Malacothrix foliosa subsp. foliosa carries California Rare Plant Rank 4.2, state rank S3.

What habitat does Malacothrix foliosa subsp. foliosa grow in?

Malacothrix foliosa subsp. foliosa grows in Sandy, open areas or among shrubs in island chaparral.

Related species

Other California species in the same genus, family, or bioregion.

All Malacothrix species · All Asteraceae

Sources: Jepson eFlora · CNPS Rare Plant Inventory · Index of California Plant Names · CalPhotos · CDFW CNDDB

Last updated 2026-10-07

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.