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| Scientific Name | Hypericum drummondii | USDA PLANTS Symbol | HYDR |
| Common Name | Nits and Lice | ITIS Taxonomic Serial No. | 21436 |
| Family | Hypericaceae (St. John's Wort) | SEINet Reference |
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| Description | Habitat: Dry or moist sandy or rocky soils in wooded areas, thickets, grasslands and bogs. Plant: Erect annual up to 30 inches tall; leafy, branched stems. Leaves: Opposite, linear to subdulate (awl-shaped), upward-pointing but not pressed closely against the stem, 1/4 to 3/4-inch long and sessile. Inflorescence: Mostly solitary flowers about 1/2-inch across, borne in upper leaf axils; 5 yellow petals up to 1/4-inch long, 10 to 20 stamens and three styles; sepals lanceolate-linear, nearly the same length as the petals. Fruit: Egg-shaped capsule, 1/4-inch or less long and reddish-brown. Bloom Period: May to September. References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, "Wildflowers of Texas" by Michael Eason, Flora of North America and SEINet. |
BONAP Distribution Map |
Texas Status: Native |
| Scientific Name | Hypericum hypericoides (Ascyrum hypericoides) | USDA PLANTS Symbol | HYHY |
| Common Name | St. Andrew's Cross | ITIS Taxonomic Serial No. | 503138 |
| Family | Hypericaceae (St. John's Wort) | SEINet Reference |
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| Description | Habitat: Dry gravelly or sandy soils in sunny, open areas and fields. Plant: Erect to sprawling, shrubby perennial 6 inches 3 feet tall and wide with leafy, branched red-brown stems with bark exfoliating in shreds. Leaves: Opposite, linear to oblanceolate, 1/4 to 1-1/4 inches long and up to 1/3-inch wide and sessile. Inflorescence: Solitary, yellow, 4-petal flowers 3/8 to 3/4-inch across presenting a cross or X-shape; petals obovate to narrowly oblong-elliptic; numerous stamens and 2 very short styles; outer 2 sepals are ovate to elliptic, about 1/2-inch long and wide with pointed or rounded tips. Fruit: Narrow egg-shaped or cylindrical capsule, 1/3-inch or less long partially enclosed by the drying calyx. Bloom Period: May to November. References: Ascyrum hypericoides in "Manual of the Vascular Plants of Texas" by Correll and Johnston; "Wildflowers of Texas" by Michael Eason, Texas A&M, Flora of North America and SEINet. |
BONAP Distribution Map |
Texas Status: Native |
