Nicolletia occidentalis

Hole-in-the-sand plant

Nicolletia occidentalis (Hole-in-the-sand plant), native California herb

(c) Trevor Van Loon, some rights reserved (CC BY) · licence

Family: Asteraceae · Type: Herb · Native

Nicolletia occidentalis (Hole-in-the-sand plant) is a native California herb in the Asteraceae family, recognized by Desert-specialized genus adapted to deep sandy substrates - represents unique ecological adaptation within Asteraceae.

Hole-in-the-sand plant is a California native perennial found on the eastern edge of the southern Sierra Nevada Mountains and Mojave Desert in deep sandy soils and washes at elevations of 600 to 1,525 meters. Flowering from April to June, this plant produces pale pink to bright pink-purple ray flowers 4 to 9 millimeters long, surrounding disk flowers that transition from yellow at the base to purple or red at the tips. Growing with a deeply taprooted system and slender stems, it develops linear leaves with narrow, cylindric lobes. Its distinctive foliage features primary leaf axes that are typically two to three times wider than its linear lobes, creating a delicate, sparse appearance. The plant produces fruits 7 to 9 millimeters long, accompanied by pappus bristles and scales that add to its intricate botanical structure.

Identification and appearance

Key characters: Desert-specialized genus adapted to deep sandy substrates - represents unique ecological adaptation within Asteraceae

Habitat and range

Habitat: Deep sandy soils, washes

Elevation: 600-1525 m

Outside California: northern Baja California

Bloom period

Nicolletia occidentalis blooms Apr-Jun.

How to tell it apart

vs Krameria: Krameria has irregular pea-like flowers with 4-5 separate petals, not daisy heads; vs Dyssodia: Dyssodia has yellow to orange rays, never pink or purple; vs Thymophylla: Thymophylla has yellow rays and much finer, thread-like leaf segments; vs Adenophyllum: Adenophyllum has yellow to orange rays, never pink or purple; vs Pectis: Pectis has yellow rays and bristly pappus, not alternating bristles and scales

Frequently asked questions

Is Nicolletia occidentalis native to California?

Yes. Nicolletia occidentalis is native to California (recorded as native).

When does Nicolletia occidentalis bloom?

Nicolletia occidentalis blooms Apr-Jun.

What plant family does Nicolletia occidentalis belong to?

Nicolletia occidentalis is in the Asteraceae family, genus Nicolletia.

What habitat does Nicolletia occidentalis grow in?

Nicolletia occidentalis grows in Deep sandy soils, washes.

Related species

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

All Nicolletia species · All Asteraceae

Sources: Jepson eFlora · Index of California Plant Names · CalPhotos

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.