Texas Wildbuds
Hydrocotyle bonariensis
(Largeleaf pennywort)
Hydrocotyle bonariensis, Mustang Island State Park, Nueces Co. 6698
Hydrocotyle bonariensis, Mustang Island State Park, Nueces Co. 6711
Hydrocotyle bonariensis, Mustang Island State Park, Nueces Co. 6707
Hydrocotyle bonariensis, Mustang Island State Park, Nueces Co. 6930
Hydrocotyle bonariensis, Mustang Island State Park, Nueces Co. 6927
Hydrocotyle bonariensis, Mustang Island State Park, Nueces Co. 6705
| Scientific Name | Hydrocotyle bonariensis | USDA PLANTS Symbol | HYBO |
| Common Name | Largeleaf Pennywort, Largeleaf Marshpennywort, Sombrerillo | ITIS Taxonomic Serial No. | 29520 |
| Family | Araliaceae (Ginseng) | SEINet Reference |
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| Description | Habitat: Moist sandy or gravelly soils in dunes, roadsides, marsh edges, bay shores, salt flats, waste areas. Plant: Perennial with smooth, prostrate, creeping stems with erect to ascending shoots supporting leaves and inflorescences, up to 4 to 12 inches tall (inflorescence taller). Leaves: Alternate and umbrella-like (orbicular-peltate) leaves, 2-3/4 to 4-3/4 inches across with 12 to 19 shallow, crenate lobes on margins; on slender petioles up to 15 inches long. Inflorescence: Large, tall umbels each on a peduncle up to 14 inches and extending above the leaves and supporting a few to many flower heads, the primary umbel also producing 2 to 6 branches up to 8 inches long each bearing up to 4 verticils and a terminal umbel; verticils and secondary umbels with 4 to 15 small flowers; flowers are less than 1/4-inch across with 5 white or cream petals, 5 stamens; greenish ovary in center has two segments and 2 pale green styles. Bloom Period: April to November. References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, World of Flora Online and Flora of North America. |
BONAP Distribution Map Map Color Key |
Texas Status: Native |
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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