Texas Wildbuds
Hypericum perforatum
(Common St. John’s Wort)
Hypericum perforatum, Along US 183 north of Lampasas, Lampasas Co. 6263
Hypericum perforatum, Along US 183 north of Lampasas, Lampasas Co. 6278
Hypericum perforatum, Along US 183 north of Lampasas, Lampasas Co. 6301
Hypericum perforatum, Along US 183 north of Lampasas, Lampasas Co. 6292
Hypericum perforatum, Along US 183 north of Lampasas, Lampasas Co. 6301
Hypericum perforatum, Along US 183 north of Lampasas, Lampasas Co. 6294
| Scientific Name | Hypericum perforatum | USDA PLANTS Symbol | HYPE |
| Common Name | Common St. John' Wort | ITIS Taxonomic Serial No. | 21454 |
| Family | Hypericaceae (St. John's Wort) | SEINet Reference |
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| Description | Habitat: Sunny areas with disturbed soils, along roadsides, in fields and woodland edges. Plant: Erect perennial 1-1/2 to 3 ft. tall with several to many stems, often branched, smooth, green to reddish, the upper portion sharply ridged below each leaf. Leaves: Opposite, oblong to linear, 1/2 to 1-1/2 inches long, less than 1/3-inch wide, sessile, surfaces are glandular-dotted; margins entire, rolling downward; tips pointed to rounded. Inflorescence: Terminal, dense clusters of leafy bracted yellow flowers 3/4 to 1 inch wide; 5 bright yellow to orangish petals with black-dotted margins, many stamens fused into 3 groups toward the base, 3 styles above the ovary; 5 linear-lanceolate, unequal sepals. Bloom Period: June to September. Fruit: Egg-shaped capsules up to 3/4-inch long. References: "Shinners & Mahler’s Flora of North Central Texas" by Diggs, Lipscomb and O’Kennon, Minnesota Wildflowers, Kansas Wildflowers and Missouri Plants. |
BONAP Distribution Map Map Color Key |
Texas Status: Introduced |
Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County
© Tom Lebsack 2026
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