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Image de tournesol
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Tournesol

Helianthus annuus L.

cultivated in
tout afficher active growth period allelopathic effect anaerobic soil tolerance are eaten by are host of are mutualistic with are parasitized by are preyed upon by are visited by bloom period browse animal palatability calcareous soil tolerance cellularity commercial availability cultivated in drought tolerance eat fire resistance fire tolerance flower color foliage porosity summer foliage porosity winter foliage texture frost free days fruit or seed color fruit/seed abundance fruit/seed persistence geographic distribution germination requirements grain type grass growth type graze animal palatability growth rate habitat have flowers visited by have pathogen hedge tolerance horticulture human/livestock toxicity introduced range includes is a component of leaf color life cycle habit livestock bloat potential low temperature tolerance moisture use native range includes number of records in gbif number of records in iNat number of research grade records in iNat optimal growth pH optimal growth temperature optimal rainfall photosynthetic pathway plant growth form plant height plant propagation method planting density precipitation tolerance primary growth form primary macronutrient requirements produces protein potential resprout ability after clipping rooting depth salt tolerance seed period begin seed period end seed spread rate seedling survival seeds per pound shade tolerance shape shedability soil depth soil ph soil requirements trophic guild type specimen repository used for vegetative spread rate
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