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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Holocarpha macradenia

Holocarpha macradenia (DC.) Greene

Santa Cruz Tarplant

Asteraceae (Aster Family)

Synonym(s):

USDA Symbol: HOMA

USDA Native Status: L48 (N)

 

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Plant Characteristics

Duration: Annual
Habit: Herb
Size Notes: Up to about 20 inches tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: Yellow
Bloom Time: Jun , Jul , Aug , Sep , Oct , Nov
Bloom Notes: Anthers reddish to dark purple, 8-16 ray florets, 40-90 disc florets.

Distribution

USA: CA

U.S. Fish & Wildlife Service Threatened & Endangered Status

USFWS Species Profile: Q0ZL
Status: Threatened
Historic Range: U.S.A. (CA)
Critical Habitat: 17.96(a)
Special Rules: N/A
This information is derived from the U.S. Fish & Wildlife Serrvice Environmental Conservation Online System.

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

USDA: Find Holocarpha macradenia in USDA Plants
FNA: Find Holocarpha macradenia in the Flora of North America (if available)
Google: Search Google for Holocarpha macradenia

Metadata

Record Modified: 2019-03-29
Research By: CBR

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