J. Richard Abbott

Rhinotropis cornuta, synonym Polygala cornuta, is a species of flowering plant in the milkwort family known by the common name Sierra milkwort. It is native to many of the mountain ranges of California and northern Baja California, where it grows in local habitat types such as chaparral and forest. It is a rhizomatous perennial herb or shrub known to exceed 2 meters in maximum height, spreading or growing erect. The leaves are linear, lance-shaped, or narrowly oval, up to 6.5 centimeters long, and widely spaced along the branches. The inflorescence is a short array of flowers varying in color

Rhinotropis californica, synonym Polygala californica, is a species of flowering plant in the milkwort family known by the common name California milkwort. It is native to southwestern Oregon and northern and central California, where it grows in the coastal mountain ranges in local habitat types such as chaparral and forest. It is a perennial herb producing spreading stems, generally decumbent in form, up to about 35 centimeters in maximum length, lined with narrow oval leaves each a few centimeter long. The upper inflorescences produce several open flowers, and there may be some closed,

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Polygaloides paucifolia, synonym Polygala paucifolia, known as gaywings or fringed polygala, is a perennial plant of the family Polygalaceae.

Hebecarpa macradenia, synonym Polygala macradenia, the glandleaf milkwort, is a subshrub in the milkwort family (Polygalaceae) found in the Arizona Uplands of the Sonoran Desert. Its "odd" flowers are said to be "spectacularly beautiful" when viewed with a hand lens.

Rhinotropis subspinosa, synonym Polygala subspinosa, is a species of flowering plant in the milkwort family known by the common name spiny milkwort. It is native to the southwestern United States, where it grows in desert and plateau habitat. It is a perennial herb or small shrub growing in a clump no more than 25 centimeters tall. The stems have woody bases and green, thorn-tipped branches. The leaves are up to 3 centimeters in length and generally oval in shape. The flowers have winglike pairs of bright pink sepals and the keeled central petal is tipped with a yellowish beak, sometimes

Rhinotropis lindheimeri, known as Lindheimer's milkwort or shrubby milkwort, is a species of flowering plant belonging to the family of the milkworts, the Polygalaceae.

Rhinotropis intermontana, synonym Polygala intermontana, is a species of flowering plant in the milkwort family known by the common name intermountain milkwort. It is native to the southwestern United States from Utah to northern Arizona and far eastern California, where it grows in desert scrub and woodland habitat. It is a small shrub growing erect or forming tangled, mats of thorny, highly branched stems. The stems are hairy in texture with white fibers. The sparse leaves are linear to oval in shape. The inflorescence bears one to seven flowers, each just a few millimeters in length. The

Rhinotropis acanthoclada, synonym Polygala acanthoclada, is a species of flowering plant in the milkwort family known by the common names desert polygala and thorn milkwort. It is native to the desert woodlands of the southwestern United States from Utah to the Mojave Desert. It is a small, bushy shrub spreading or growing erect and approaching one meter in maximum height. It is hairy in texture, the youngest twigs hairiest with a feltlike coat of short, whitish fibers. The lance-shaped or oval leaves are up to 2.5 centimeters long. Some of the twigs narrow to spines at the tips, especially

Rhinotropis is a small genus in the family Polygalaceae. It was separated as a genus from Polygala by J. Richard Abbott in 2011. It is native to the south and west of the United States (Arizona, California, Colorado, Nevada, New Mexico, Texas and Utah) and to Mexico.

Hebecarpa rectipilis, synonym Polygala rectipilis, common name New Mexico milkwort, is a plant native to one county in New Mexico and to northeast Mexico. The type specimen was collected near the Town of Hillsboro in Sierra County, at an elevation of 1675 m (5500 feet). Hebecarpa rectipilis is herbaceous and up to 30 cm (12 inches) tall. It has oblong to ovate leaves narrowing to a point at the tip. Flowers are borne in terminal racemes of as many as 20 flowers. Flowers are purple, up to 6 mm (0.24 inches) long.

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Hebecarpa is a genus of flowering plants belonging to the family Polygalaceae. Species are found from the southern United States (Arizona, Texas and New Mexico) through Mexico and Central America to western South America.

Asemeia marquesiana, commonly known as Marques' asemeia, is a species of flowering plant belonging to the family Polygalaceae. It was first described in 2008 by American botanist, John Richard Abbott and Brazilian botanist, José Floriano Barêa Pastore. This evergreen shrub species is native to the Brazilian Atlantic Forest and grows in moist habitats, such as riverbanks and wetlands.

Rhinotropis heterorhyncha, synonym Polygala heterorhyncha, is a species of flowering plant in the milkwort family known by the common names beaked spiny polygala and notch-beaked milkwort. It is native to southern Nevada and it is known from a few occurrences just over the border in the Funeral Mountains of California above Death Valley. It is a resident of desert scrub habitat. This desert plant is a perennial herb or small shrub growing in small clumpy mats. The thin, branching, thorny-tipped stems are somewhat waxy in texture and sometimes slightly hairy. They are lined sparsely with small

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Asemeia apopetala is a species of flowering plant in the milkwort family commonly known as Brandegee milkwort or rama mora. It is a shrub or a small tree characterized by showy pink to magenta flowers that bloom from September to November or any time of year with ample rainfall. It was first described in 1889 and is endemic to Baja California Sur, Mexico. It is the type for the subgenus Apopetala of Asemeia.

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