Ambrosia eriocentra (A.Gray) W.W.Payne

Woolly fruit bur ragweed (en)

Species

Angiosperms > Asterales > Asteraceae > Ambrosia

Characteristics

Shrubs, 30–80(–120+) cm. Stems erect. Leaves mostly alternate; petioles 0–2 mm; blades (± white abaxially) elliptic, lance-linear, or rhombic, 10–40(–60) × 5–15(–40) mm, bases ± cuneate, margins irregularly toothed to ± laciniate, abaxial faces densely strigillose, adaxial faces tomentulose and pilosulous. Pistillate heads clustered, proximal to staminates; florets 1. Staminate heads: peduncles 0–0.5 mm; involucres saucer-shaped to shallowly cup-shaped, 4–8+ mm diam., tomentulose and/or pilose; florets 12–25+. Burs: bodies obconic to fusiform, 3–5+ mm, densely villous and stipitate-glandular, spines 12–20+, scattered or mostly distal, ± subulate, 3–4 mm, tips straight. 2n = 36.
Life form perennial
Growth form shrub
Growth support -
Foliage retention evergreen
Sexuality -
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Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 0.8
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Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
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Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light -
Soil humidity -
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Hardiness (USDA) 5-10

Usage

Uses medicinal
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
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Images

Ambrosia eriocentra unspecified picture

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:11059-2
WFO ID wfo-0000137410
COL ID CPP6
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Franseria eriocentra Ambrosia eriocentra Gaertneria eriocentra