Plant & Pest Diagnostics

American burnweed - Erechtites hieraciifolius

• Share
• Tweet
• Save
• Share
• Print
• Email

American burnweed -Erechtites hieraciifolius

菊科家庭

Life cycle

Annual

Leaves

Up to 8 inches long and a few inches wide. Leaves are shallow to deeply lobed with toothed edges that clasp the stem with no discernable petiole.

Stems

轮和无支链的vertical ridges, smooth or with sparse spreading hairs.

Flowers and fruit

Green flower head is an inch long. Flowers never appear to open. At the end of the green sepals are short white to yellow disk flowers that only slightly emerge for pollination (no showy ray flowers). After pollination and seed development, tufts of white hair emerge, like dandelion, to carry the brown seeds with the wind.

Reproduction

Seeds

Other Documents in this Series

• Asiatic (common) dayflower - Commelina communis

• British elecampane - Inula britannica

• Brambles - Rubus spp.

• Broadleaf plantain – Plantago major

• Buckhorn plantain – Plantago lanceolata

• Bull thistle – Cirsium vulgare

• Canada goldenrod – Solidago canadensis

• Carpetweed – Mullogo verticillata

Accessibility Questions:

For questions about accessibility and/or if you need additional accommodations for a specific document, please send an email to ANR Communications & Marketing atanrcommunications@anr.msu.edu.