Ambrosia linearis (Rydb.) W.W.Payne

Streaked bur ragweed (en)

Species

Angiosperms > Asterales > Asteraceae > Ambrosia

Characteristics

Perennials or subshrubs, 20–40+ cm. Stems erect. Leaves mostly alternate; petioles 0; blades mostly linear (some 1-pinnate, lobes lin­ear), 12–20(–35+) × 1(–2+) mm, bases cuneate, margins entire, abaxial faces strigillose (whitish), adaxial faces scabrellous. Pistillate heads clustered, proximal to staminates; florets 1. Staminate heads: peduncles 0.5–1 mm; involucres cup-shaped (with black nerves), 4–6+ mm diam., strigillose; florets 12–20+. Burs: bodies pyriform to obconic, 2–4(–5) mm, strigillose, spines (4–)5–9(–13+), scattered or mostly distal, subulate, (0.8–)1–1.5 mm, tips usually uncinate.
Life form annual
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Mature height (meter) 0.2 - 0.4
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OctNovDec
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Environment

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Usage

Uses medicinal
Edible -
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Cultivation

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Distribution

Ambrosia linearis world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:11069-2
WFO ID wfo-0000035491
COL ID CPPK
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Franseria linearis Ambrosia linearis Gaertneria linearis