Ivesia shockleyi var. shockleyi

Shockley's ivesia

Ivesia shockleyi var. shockleyi (Shockley's ivesia), native California subshrub

(c) Jim Morefield, some rights reserved (CC BY) · licence

Family: Rosaceae · Type: Subshrub · Native

Ivesia shockleyi var. shockleyi (Shockley's ivesia) is a native California subshrub in the Rosaceae family, recognized by matted growth form with yellow flowers.

Shockley's ivesia is a California native perennial found in northern and central Sierra Nevada and White and Inyo Mountains in rocky areas at elevations of 2,700 to 4,000 meters. Flowering from June to August, this plant produces yellow flowers 5 to 10 millimeters wide with delicate oblanceolate petals. Growing in a matted form with spreading stems less than 15 centimeters tall, it forms a much-branched green caudex. Its leaves typically range 2 to 8 centimeters long, featuring 5 to 10 leaflets per side with small 1 to 5 millimeter lobes that are oblanceolate to obovate. The plant's fruit is approximately 2 millimeters long and light brown.

Identification and appearance

Key characters: Geographically isolated; matted growth form with yellow flowers

Habitat and range

Habitat: Rocky areas

Elevation: 2700-4000 m

California counties: Mono, Inyo, Alpine, Placer, Santa Clara, Fresno, Tuolumne

Outside California: southeastern Oregon, northern and central Nevada

Bloom period

Ivesia shockleyi var. shockleyi blooms Jun-Aug.

How to tell it apart

vs Achillea: Ivesia has rose-like flowers with separate petals; Achillea has composite flower heads with ray and disk flowers.; vs Potentilla: Ivesia has cylindrical bottlebrush leaves with 4-80 tiny leaflets per side; Potentilla has flat leaves with spread-out leaflets.; vs Horkelia: Ivesia has cylindrical leaves with overlapping leaflets; Horkelia has flat leaves with 2-15 distinct, separated leaflets.; vs Eremogone: Ivesia has compound bottlebrush leaves; Eremogone has simple, needle-like or thread-like leaves.; vs Cryptantha: Ivesia has rose-family flowers with separate petals; Cryptantha has fused tubular corollas typical of borages.

Frequently asked questions

Is Ivesia shockleyi var. shockleyi native to California?

Yes. Ivesia shockleyi var. shockleyi is native to California (recorded as native).

When does Ivesia shockleyi var. shockleyi bloom?

Ivesia shockleyi var. shockleyi blooms Jun-Aug.

Where in California does Ivesia shockleyi var. shockleyi grow?

Ivesia shockleyi var. shockleyi occurs in Mono, Inyo, Alpine, Placer, Santa Clara, Fresno, Tuolumne, at elevations of 2700-4000 m.

What plant family does Ivesia shockleyi var. shockleyi belong to?

Ivesia shockleyi var. shockleyi is in the Rosaceae family, genus Ivesia.

What habitat does Ivesia shockleyi var. shockleyi grow in?

Ivesia shockleyi var. shockleyi grows in Rocky areas.

Related species

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

All Ivesia species · All Rosaceae

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.