Acanthoscyphus parishii

Flowery puncturebract, Flowery Puncturebract

Acanthoscyphus parishii (Flowery puncturebract), native California herb

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Family: Polygonaceae · Type: Herb · Native

Acanthoscyphus parishii (Flowery puncturebract) is a native California herb in the Polygonaceae family, recognized by Only *Acanthoscyphus* in CA (0 true congeners); involucre teeth drawn out into awns.

Flowery puncturebract is a California native annual found in desert regions, typically growing at moderate elevations. Flowering from July to September, this delicate plant produces white to rose-colored flowers in small clusters, with each flower measuring about 2 to 2.5 millimeters long. Growing with erect, glabrous stems, the plant features basal leaves 1 to 7 centimeters long and 0.5 to 2 centimeters wide. Its distinctive involucre has 7 to 30 teeth with ivory or reddish awns 2 to 5 millimeters long, creating an intricate botanical structure. The fruit is elliptic, brown to maroon, and approximately 1.7 to 2 millimeters long with a curved embryo.

Identification and appearance

Key characters: Only *Acanthoscyphus* in CA (0 true congeners); involucre teeth drawn out into awns

Habitat and range

California counties: San Bernardino, Los Angeles

How to tell it apart

vs Eriogonum: Acanthoscyphus has many-awned involucres (7-30+); Eriogonum has awnless involucres.; vs Sidotheca: Acanthoscyphus has entire petals and 7-30+ awns; Sidotheca has fringed petals and 5-6 awns.; vs Oxytheca: Acanthoscyphus has 7-30+ awns per involucre; Oxytheca has only 3-5 awns.

Frequently asked questions

Is Acanthoscyphus parishii native to California?

Yes. Acanthoscyphus parishii is native to California (recorded as native).

Where in California does Acanthoscyphus parishii grow?

Acanthoscyphus parishii occurs in San Bernardino, Los Angeles.

What plant family does Acanthoscyphus parishii belong to?

Acanthoscyphus parishii is in the Polygonaceae family, genus Acanthoscyphus.

Related species

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

All Acanthoscyphus species · All Polygonaceae

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.