Lagophylla diabolensis
Diablo Range hare-leaf
(c) Trevor Van Loon, some rights reserved (CC BY) · licence
Family: Asteraceae · Type: Herb · Native
Conservation status: CNPS 1B.2
Lagophylla diabolensis (Diablo Range hare-leaf) is a native California herb in the Asteraceae family, recognized by purple glands and larger rays.
Diablo Range hare-leaf is a rare (CNPS 1B.2) California native annual found in the southern Coast Ranges in the Diablo Range, inhabiting grassy openings in woodland with vertic clay soils at elevations of 350 to 1,070 meters. Flowering from April to July, this plant produces delicate white to pale yellow flowers in small panicle-like clusters with heads 4 to 9 millimeters long. Growing with slender stems 10 to 100 centimeters tall that are distinctively zigzag and sparsely covered with purple and yellow glandular hairs. Its leaves are green, with lower leaves lacking glands and upper leaves featuring stalked glands in shades of purple, yellow, and white. The fruit is dull and longitudinally striated, characteristic of this distinctive annual herb of the Diablo Range.
Identification and appearance
Key characters: 1 sympatric species; distinguished by purple glands and larger rays
Habitat and range
Habitat: Grassy openings in woodland, vertic clay
Elevation: 350-1070 m
California counties: Monterey, San Benito, Tulare, Fresno, San Bernardino
Bloom period
Lagophylla diabolensis blooms Apr-Jul.
Conservation status
CNPS 1B.2
How to tell it apart
vs Madia: Lagophylla has exactly 5 rays and completely naked fruits; Madia has variable ray numbers and bristled fruits.; vs Hemizonia: Lagophylla has exactly 5 rays and no seed bristles; Hemizonia has variable rays with bristles.; vs Calycadenia: Lagophylla has exactly 5 rays; Calycadenia typically has 1-8 rays with different arrangement.; vs Harmonia: Lagophylla has exactly 5 rays and naked fruits; Harmonia has 8-21 rays with seed scales.; vs Deinandra: Lagophylla has exactly 5 rays and naked fruits; Deinandra has variable rays with bristles.
Frequently asked questions
Is Lagophylla diabolensis native to California?
Yes. Lagophylla diabolensis is native to California (recorded as native).
When does Lagophylla diabolensis bloom?
Lagophylla diabolensis blooms Apr-Jul.
Where in California does Lagophylla diabolensis grow?
Lagophylla diabolensis occurs in Monterey, San Benito, Tulare, Fresno, San Bernardino, at elevations of 350-1070 m.
What plant family does Lagophylla diabolensis belong to?
Lagophylla diabolensis is in the Asteraceae family, genus Lagophylla.
Is Lagophylla diabolensis rare or endangered?
Lagophylla diabolensis carries California Rare Plant Rank 1B.2, state rank S2.
Related species
Other California species in the same genus, family, or bioregion.
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.