Plantae > Tracheophyta > Magnoliopsida > Asterales > Asteraceae > Helianthus > Helianthus praecox

Helianthus praecox (Texas sunflower)

Synonyms: Helianthus praecox var. praecox

Wikipedia Abstract

Helianthus praecox is a North American species of sunflower known by the common name Texas sunflower. It is endemic to Texas. Most of the populations are either along the Gulf Coast or in the Río Grande Valley. Helianthus praecox grows on sandy soils and coastal prairies. It is an annual herb up to 150 cm (60 inches or 5 feet) tall. One plant usually produces 1-3 flower heads, each containing 11-16 yellow ray florets surrounding 35 or more red or purple disc florets.
View Wikipedia Record: Helianthus praecox

Infraspecies

Attributes

Allergen Potential [1]  Medium
Lifespan [2]  Annual
Structure [2]  Herb

Citations

Attributes / relations provided by
1Derived from Allergy-Free Gardening OPALS™, Thomas Leo Ogren (2000)
2USDA Plants Database, U. S. Department of Agriculture
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0