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Verbesina helianthoides Michx.

Gravelweed (en), Verbésine (fr)

Species

Angiosperms > Asterales > Asteraceae > Verbesina

Characteristics

Plants 60–120+ cm (perennating bases ± erect or horizontal rhizomes, internodes winged). Leaves all or mostly alternate (proximal sometimes opposite); blades ± lance-ovate to lanceolate, 5–12+ × 2–5+ cm, bases ± cuneate, margins ± toothed, apices acute to attenuate, faces strigose to sericeous. Heads 2–5(–10+) in ± corymbiform arrays. Involucres ± hemispheric, 10–15+ mm diam. Phyllaries 16–21+ in 2–3 series, ± erect, lanceolate, 6–9+ mm. Ray florets 8–13+; laminae 20–25(–30+) mm. Disc florets 40–80+; corollas yellow. Cypselae dark brown to black, oblanceolate to elliptic, 5 mm, faces strigillose to glabrate; pappi 0.5–1.5 mm. 2n = 34.
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Hirsute perennial, 5–12 dm, the stem winged, leafy throughout; lvs alternate, lanceolate to narrowly ovate, serrate, 6–15 × 2–6 cm, sessile or broadly short-petiolate; heads few, mostly 1–10, the disk 9–16 mm wide in fl; invol bracts erect but rather loose; receptacle shortly conic; rays 8–15, pistillate or neutral, yellow, 1–3 cm; achenes winged or wingless, often a little spreading, but not reflexed; 2n=34. Prairies and dry woods; O. to Ga., w. to Io., Kans., and Tex. June–Oct. (Phaethusa h.; Pterophyton h.)
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses medicinal
Edible -
Therapeutic use Ache(Stomach) (unspecified), Bladder (unspecified), Depurative (unspecified), Dropsy (unspecified), Inflammation (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 14 - 30
Germination temperacture (C°) 15 - 18
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Verbesina helianthoides habit picture by Robert Breeding (cc-by-sa)

Flower

Verbesina helianthoides flower picture by Areslane BOULKABOUL (cc-by-sa)
Verbesina helianthoides flower picture by Robert Breeding (cc-by-sa)

Distribution

Verbesina helianthoides world distribution map, present in Belgium and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:257431-1
WFO ID wfo-0000071560
COL ID 5B38F
BDTFX ID 71035
INPN ID 128773
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Phaethusa helianthoides Actinomeris oppositifolia Pterophyton helianthoides Actinomeris helianthoides Pterophyton helianthoides Actinomeris elliotii Actinomeris helianthoides var. elliotii Actinomeris helianthoides var. helianthoides Actinomeris helianthoides var. nuttallii Verbesina helianthoides
WorldFloraDB 2024