Peter Coonan Hoch

Oenothera lindheimeri, commonly known as Lindheimer's beeblossom, white gaura, pink gaura, Lindheimer's clockweed, and Indian feather, is a species of Oenothera. Several of its common names derive from the genus Gaura, in which this species was formerly placed. The perennial plant is native to southern Louisiana and Texas. The specific epithet is after Ferdinand Jacob Lindheimer, a German-born botanist who collected extensively in Texas for Harvard University professor Asa Gray. It is commonly grown as an ornamental plant.

Tetrapteron is a genus of flowering plants belonging to the family Onagraceae. Its native range is Northern America. Species: Tetrapteron graciliflorum (Hook. & Arn.) W.L.Wagner & Hoch Tetrapteron palmeri (S.Watson) W.L.Wagner & Hoch

Neoholmgrenia is a genus of flowering plants belonging to the family Onagraceae. Its native range is Western Canada (in the states of Alberta, British Columbia and Saskatchewan) to Western USA (in the states of California, Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington and Wyoming). The genus name of Neoholmgrenia is in honour of Patricia Kern Holmgren (b. 1940) an American botanist. Holmgren's main botanical interests are the flora of the U.S. intermountain west. It also honour's her husband Noel Herman Holmgren (b. 1937) another botanist, and Patricia's father-in-law, Arthur

Tetrapteron graciliflorum is a species of evening primrose known by the common name hill suncup. It is native to Oregon and California, where it grows in several habitat types, often on clay soils. It is an annual herb generally with no stem but producing an upright, nodding inflorescence. It features a cluster of narrow leaves, each measuring one to ten centimeters in length. The flowers are adorned with bright yellow petals, ranging from half a centimeter to two centimeters in length. The fruit is a leathery capsule, less than a centimeter long, containing four chambers with bumpy brown

Oenothera curtiflora (syn. Gaura parviflora), known as velvetweed, velvety gaura, downy gaura, or smallflower gaura, is a species of flowering plant native to the central United States and northern Mexico, from Nebraska and Wyoming south to Durango and Nuevo Leon.

Neoholmgrenia hilgardii is an annual flowering plant in the Onagraceae family with the common name Hildgard's suncup. It is a narrow endemic native to central Washington State. This species was first described as Oenothera hilgardii by Greene, and was transferred to the genus Neoholmgrenia in 2009 by W.L.Wagner & Hoch.

Eremothera refracta is a species of evening primrose known by the common name narrowleaf suncup. It is native to the southwestern United States, especially desert areas. It is an annual herb producing a hairy red or reddish green leafy stem up to about 45 centimeters in maximum height. The nodding inflorescence produces flowers with white petals a few millimeters long which turn reddish as they wither. The fruit is a straight or coiling capsule up to 5 centimeters long.

Eremothera chamaenerioides is a species of evening primrose known by the common name long-capsule suncup. It is native to the southwestern United States and northern Mexico, where it grows especially in desert regions. It is an annual herb producing an erect, hairy, glandular stem which is reddish in color and up to half a meter tall. The leaves are lance-shaped or oval and up to 7 or 8 centimeters long. The nodding inflorescence produces several flowers, each with white petals a few millimeters long and drying to dull red. The fruit is a capsule 3 to 5 centimeters long.

Eremothera boothii is a species of wildflower known as Booth's evening primrose or Booth's sun-cup. This plant is native to the western United States and northwestern Mexico where it is most abundant in arid areas such as deserts. This is an annual plant with hairy reddish-green stems and mottled foliage. The stem ends in a nodding inflorescence of many small flowers which may be white to red or yellowish, often with darker shades on the external surfaces of the four spoon-shaped petals. They have long stamens with clublike yellowish anthers. Flowers of this species tend to open at dusk

Epilobium siskiyouense is a rare species of flowering plant in the evening primrose family known by the common names Siskiyou willowherb and Siskiyou fireweed (though it is not a true fireweed).

Epilobium septentrionale, with the common names Humboldt County fuchsia and northern willowherb, is a species of willowherb. Like the wildflower zauschneria, this plant was once treated as a member of genus Zauschneria but has more recently been placed with the willowherbs.

Epilobium howellii is an uncommon species of flowering plant in the evening primrose family known by the common names Yuba Pass willowherb and subalpine fireweed (though it is not a true fireweed). It is endemic to the High Sierra Nevada of California, where it is known from only about 65 occurrences. It grows in wet mountain habitat such as meadows, often in the presence of mosses and willows, between 2000 and 2700 meters in elevation. The plant was first collected in 1975 at Yuba Pass on Highway 49 in Sierra County, California, and described to science as a new species in 1992. This is a

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Camissoniopsis pallida is a low growing, yellow-flowered annual plant in the evening primrose family, Onagraceae. It is known by the common names pale primrose or pale yellow suncup. It is native to the desert and scrub habitat of the region where Arizona, California, and Nevada meet. It is a roughly hairy annual herb growing in a low patch on the ground, sometimes producing an erect stem from the basal rosette. The herbage is gray-green to reddish green. The leaves are lance-shaped and up to 3 centimeters long. The nodding inflorescence produces flowers with yellow petals 2 to 13 millimeters

Camissoniopsis micrantha is a species of flowering plant in the evening primrose family known by the common names miniature suncup or small evening primrose. This is a small, hairy annual herb producing a basal rosette of leaves. It is characterized by small yellow flowers with petals less than 5 millimeters long. The flowers dry to a reddish color as they close. This species is found in Arizona and California in the United States, along with Baja California in Mexico. It grows in sandy areas in a number of habitats, from beaches to inland slopes. It is the smallest member of the genus

Camissoniopsis lewisii is a species of evening primrose known by the common name Lewis' evening primrose. It is native to southern California and Baja California, where it grows in coastal habitat and on the grasslands of the inland mountain ranges. as an example occurrence in Baja California, C. lewisii occurs in association with Mimulus aridus and Adiantum jordanii.

Camissoniopsis hirtella is a species of evening primrose known by the common name Santa Cruz Island suncup. It is native to California and Baja California, where it grows on the slopes of coastal and inland hills and mountains, especially in areas that have recently burned. It is an annual herb producing a hairy stem up to about half a meter in height. Most of the leaves are located in a basal rosette at ground level and are oval in shape and a few centimeters in length. The nodding inflorescence produces flowers with sepals coated in long, glandular hairs, and bright yellow petals under a

Camissoniopsis hardhamiae is a species of evening primrose known by the common name Hardham's evening primrose. It is endemic to California, where it grows in the chaparral and woodland of San Luis Obispo and Monterey Counties. It is a robust annual herb producing a hairy stem up to about half a meter tall. The leaves are lance-shaped to narrowly oval and up to 12 centimeters long. The nodding inflorescence bears flowers with yellow petals each a few millimeters long. The fruit is a cylindrical capsule up to 2.5 centimeters long containing several dark-colored seeds.

Camissoniopsis cheiranthifolia, the beach suncup or beach evening primrose, is a species of the evening primrose family and is native to open dunes and sandy soils of coastal California, Baja California and Oregon.

Camissoniopsis bistorta is a species of flowering plant in the evening primrose family known by the common names southern suncup and California suncup. It is native to southern California and Baja California, where it grows in several types of plant community along the coast and in the coastal hills and mountain ranges. This is a hairy annual or short-lived perennial herb spreading from a basal rosette, with stems reaching up to 80 centimeters long. The leaves are narrow and sometimes toothed, and 1 to 12 centimeters in length. Toward the end of the spreading stems are nodding inflorescences

Camissoniopsis is a plant genus in the evening primrose family (Onagraceae).

Oenothera suffulta, known as roadside gaura, honeysuckle gaura, or kisses, is a flowering plant in the primrose family, Onagraceae. It is endemic to the United States, in Texas (excluding the Trans-Pecos) and southern Oklahoma.

Oenothera suffrutescens (syn. Gaura coccinea) is a species of flowering plant in the evening primrose family known as scarlet beeblossom and scarlet gaura.

Oenothera sinuosa is a species of flowering plant in the evening primrose family known by the common names wavyleaf beeblossom and Red River gaura. The species was previously treated as Gaura sinuata, but in 2007 the species, along with the genus Gaura was reclassified in the genus Oenothera. This species then becomes O. sinuosa in Oenothera Section Gaura. It is native to Mexico and its native range extends as far north into the United States as Oklahoma. It can be found across the southern half of the United States where it is an introduced species and occasionally weedy. This is a tough

Oenothera glaucifolia, the false gaura, is a species of flowering plant in the family Onagraceae. It is native to the west-central United States, and to Coahuila in Mexico. A probable biennial, it can reach 3 m (10 ft).

Oenothera gaura, formerly known as Gaura biennis, the biennial gaura or biennial beeblossom, is a North American flowering plant that can reach 6 ft (1.8 m) in height at maturity. Its upper half is made up of flowering stems, which are covered with soft, white hairs. It has light pink colored flowers, which turn a vibrant red/pink color in the late summer to early fall seasons (typically August to September). These colors make this plant attractive to butterflies and bees, and are in full bloom just before many fall plant species begin to bloom. Research has been done in order to test the

Oenothera filiformis, the longflower beeblossom, is a species of flowering plant in the family Onagraceae. It is native to the central United States. An annual, biennial, or perennial, it can reach 12 ft (3.7 m) tall. It has simple leaves that are alternate in arrangement. Flowers have four petals that are white or pink to red in color.

Neoholmgrenia andina is a species of evening primrose known by the common name Blackfoot River evening primrose. It is native to western North America, including southern Canada and much of the western United States, where it is a plant of mountains, and sagebrush plateaus.

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