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Heliomeris longifolia var. annua [Asteraceae]

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Scientific Name Heliomeris longifolia var. annua (Vigueira annua) USDA PLANTS Symbol HELOA2
Common Name Longleaf False Goldeneye ITIS Taxonomic Serial No. 528361
Family Asteraceae (Sunflower) SEINet
Reference
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Description Habitat: Dry soils on plains, arroyos, along washes, and on hillsides; 2,500 to 8,000 ft.
Plant: Annual with erect reddish stems that are single or often branched, 6 to 28 inches tall; stems are slightly hairy or nearly smooth.
Leaves: Opposite below and alternate further up, linear to very narrowly linear-lanceolate, 3/8 to 2-3/4 inches long and about 1/8-inch wide; edges are rolled under (revolute); surface has a deep central vein and smooth or sparsely to moderately pubescent with short, appressed hairs.
Inflorescence: Bright yellow composite daisy-like flower heads nearly 2 inches across, solitary or in loose clusters; 8 to 12 ray florets and 50 or more yellow disk florets; involucre about 1/4-inch high with hairy, overlapping pointed lanceolate or linear-lanceolate phyllaries.
Bloom Period: May to November.
References: Viguiera annua in "Manual of the Vascular Plants of Texas" by Correll and Johnston; SEINet, Flora of North America and Southwest Desert Flora.
Note: The variant longifolia has longer (up to 6 inches) and wider (up to 1/2-inch) leaves and stems that branch mostly in the upper portion of the plant.
BONAP Distribution Map

Texas Status:
Native

© Tom Lebsack 2022