Plant Image
Flower head

Yavapai County Native & Naturalized Plants

Eclipta prostrata - false daisy

Synonyms: Eclipta alba, E. erecta, Verbesina alba, V. prostrata and more see SEINET.
Other Common Names: yerba-de-tajo
Plant Form: Forb or Subshrub

Family: Asteraceae

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Sue Carnahan @, Usage Rights: CC BY-NC (Attribution-Non-Commercial)
Gertrudes Yanes-Arvayo, Usage Rights: Attribution-Non-Commercial (CC BY-NC)
Forb Plant Description

Origin: Native   Life Cycle: Annual or perennial
General Desc: Low growing self-seeding plant with prostrate or ascending reddish-purple stems; long lance-like green leaves (opposite but can be alternate higher up); singular small white ray flowers on short stalks in upper leaf axils.
Identification notes: Wet, disturbed habitats; leaves opposite, edges toothed; tiny white flower heads with short-stubby ray flowers in leaf axils, short stemmed or elevated on longer stems, outer bracts broader, longer than inner bracts; wedge-shaped seeds 4-angled. 
Height: Trailing to 3 feet


Habitat Description: Likes wet or muddy soil; riverbanks, sunny locations, thrives in wet, disturbed habitats.
Plant Communities: Riparian, Disturbed Areas
Elevation: Below 3500 feet

Flower Characteristics

Color: White to creamy white     Shape: Daisy or dandelion-like in round clusters     Tubular: N     Flowering Period: Jun - Sep
Description: Singular, sometimes clustered, white, short disc florets with pistils (female reproduction parts) but no stamens (male reproduction parts); pale yellow or light brown anthers (containing pollen) protruding from the small disc florets.

Leaf and Stem Characteristics

Leaf Color: Green     Leaf Type: Simple     Leaf Shape: Narrow     Leaf Margin: Toothed     Leaf Attachment: Alternate and opposite     Leaves Clasp: N
Hairs: Stems     Spines: N
Leaf Description: Lance-like narrow (linear) leaves, sometimes broad, up to 5 inches long, without stalks or attached with short stalks; opposite leaves, upper can be alternate; sparingly toothed or smooth margined; short stiff hairs pressed against reddish-purple stems.

Fruit and Seed Characteristics

Fruit Color: Light brown to brown   
Fruit Type: Achene
Fruit Notes: Hard 1-seeded capsule, <1 inch long; 4 angled, corky on the angles, can be topped with vestigial bristles.

  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590
Version 8.0  
Last Updated: Dec 13, 2022
Content Questions/Comments: Email Matt Halldorson  
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