Plants named in 1945

Agastache mexicana is a species of flowering plant in the mint family known by the common name Mexican giant hyssop. It is native to southern North America and can grow up to 100 cm tall. The leaves are lanceolate or oval-lanceolate. The plant is perennial and self-fertile. Its young lemon scented leaves are used in herbal teas and the leaves are also often used in flavoring foods.

Populus ilicifolia, the Tana River poplar, is a species of poplar in the family Salicaceae. It is found in Kenya and Tanzania from 1°N to 3°S latitude, 37°E to 41°E latitude, at altitudes of 10–1,200 m; it is the southernmost member of its genus in the world. It is threatened by habitat loss. It requires a riverine climate. It is an evergreen tree growing to 30 m tall with a trunk up to 1.5 m diameter. It is used locally as an avenue tree, and its timber is used for making beehives, mortars, dugout canoes and fences.

Phyllostachys aureosulcata, the yellow groove bamboo, is a species of bamboo in the family Poaceae. It is native to the Zhejiang Province of China. It is a running bamboo with a distinctive yellow stripe in the culm groove (or sulcus) that is often grown as an ornamental.

Potentilla chamissonis, the bluff cinquefoil, is distributed across Svalbard, northern Norway, Greenland and the eastern Arctic of Canada. It grows on ledges on steep slopes, and in crevices.

Aporostylis is a genus of flowering plants from the orchid family, Orchidaceae. At the present time, only one species is known: Aporostylis bifolia, native to New Zealand (including the Chatham Islands and the Antipodes Islands).

Phyllostachys propinqua is a species of bamboo in the family Poaceae. It is native to the Chinese provinces of Anhui, Fujian, Guangxi, Guizhou, Henan, Hubei, Jiangsu, Jiangxi, Yunnan, and Zhejiang.

Phyllostachys nuda (also known as Nude sheath bamboo or Snow bamboo) is a species of bamboo in the family Poaceae. It is native to Anhui, Fujian, Hunan, Jiangsu, Jiangxi, Shaanxi, Zhejiang provinces of China and in Taiwan. It can survive temperatures down to −10 °F (−23 °C) and requires full sun to thrive.

Gentianella aurea is a species of flowering plant belonging to the family Gentianaceae. Its native range is Greenland, Northern and Northeastern Europe, Mongolia. Synonym: Gentiana aurea

Euphorbia elliotii is a species of flowering plant in the family Euphorbiaceae. It is endemic to Madagascar. It is threatened by habitat loss.

Duosperma is a genus of flowering plants belonging to the family Acanthaceae. Its native range is Tropical and Southern Africa. Species:

Bulbophyllum falculicorne is a species of orchid in the genus Bulbophyllum.

Astragalus schmolliae is a species of flowering plant in the legume family known by the common name Schmoll's milkvetch. It is endemic to Colorado in the United States, where it is limited to Montezuma County. It grows only on Chapin Mesa in Mesa Verde National Park. This perennial herb grows 40–60 centimetres (16–24 in) tall. The leaves are each made up of linear leaflets. In May the plant blooms in cream- or yellowish-colored flowers. The fruit is a leathery legume pod. Schmoll's milkvetch grows in mesa habitat. Its range is limited to Chapin Mesa, as it has not crossed to adjacent mesas.

Phyllostachys vivax, the Chinese timber bamboo, is a species of flowering plant in the bamboo subfamily of the grass family Poaceae, native to China. It is a tall, robust evergreen plant growing quickly to 8 m (26 ft) or more, with strong green canes to 12 cm (4.7 in) in diameter, and topped by drooping leaves. Sources vary as to the maximum size, with one source quoting 21 m (69 ft). Mature canes turn yellow. Initially forming clumps, the plants will eventually establish large thickets via underground running rhizomes, unless artificially restricted. The form P. vivax f. aureocaulis from

Phyllostachys dulcis is a species of bamboo in the family Poaceae. It is native to Fujian, Jiangsu, Zhejiang provinces of China. This species is cultivated for its edible shoots.

Phyllostachys arcana is a species of bamboo in the family Poaceae. It is native to Anhui, Gansu, Jiangsu, Shaanxi, Sichuan, Yunnan, Zhejiang provinces of China at elevations of 700 – 1800 meters

Phyllostachys angusta is a species of bamboo in the family Poaceae. It is native to Anhui, Fujian, Henan, Jiangsu, Zhejiang provinces of China.

Hylebates is a genus of African plants in the grass family. Species Hylebates chlorochloe (K.Schum.) Napper – Tanzania, Kenya Hylebates cordatus Chippind. – Tanzania, Mozambique, Zambia, Zimbabwe

Hamamelis × intermedia, the hybrid witch hazel, is a flowering plant in the family Hamamelidaceae. It is a hybrid of garden origin between H. japonica and H. mollis. Its Latin name refers to its intermediate appearance between those two species. The hybrid was first described by Alfred Rehder in 1945. It is a deciduous shrub growing to 4 m (13 ft) tall and wide, with zig-zagging stems and alternate, simple leaves 15 cm (6 in) long, which turn yellow in autumn. The yellow, orange or red flowers with twisted petals appear on bare stems in midwinter through early spring. Numerous cultivars have

Encephalartos eugene-maraisii is a species of cycad in the family Zamiaceae. It is endemic to South Africa, where it is limited to Limpopo. It is known as the Waterberg cycad. This plant grows in the sandstone hills of the Waterberg Range at 1400 to 1500 meters in elevation. The habitat is grassland and savanna. This endangered species is threatened by overcollection. This species was named for South African naturalist Eugène Marais.

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Rhododendron trichanthum (长毛杜鹃) is a rhododendron species native to western Sichuan, China, where it grows at elevations of 1,600–3,700 m (5,200–12,100 ft). It is an evergreen shrub that typically grows to 1–3 m (3.3–9.8 ft) in height, with leaves that are oblong-lanceolate and ovate-lanceolate, and 4–11 × 1.5–3.5 cm in size. The flowers are pale purple, rose red, or white.

Phyllostachys meyeri is a species of bamboo in the family Poaceae. It is native to Hunan, China in open forest at elevations around 600 meters

Manilkara gonavensis is a tree species in the sapodilla family endemic to Haiti's Gonâve Island that is considered to be possibly extinct.

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Euphorbia ankaranae is a species of plant in the family Euphorbiaceae. It is endemic to Madagascar. Its natural habitat is rocky areas. It is threatened by habitat loss.

Cyperus plukenetii is a species of perennial sedge that is native to south central and south eastern parts of United States. This species requires sandy soil. It has been observed growing in habitats such as hardwood stands, upland pine communities, and scrub oak sandhills.

Bulbophyllum josephi is a species of orchid in the genus Bulbophyllum.

Browningia chlorocarpa is a species of Browningia found in Peru.

Astragalus soxmaniorum is a species of flowering plant in the pea family, Fabaceae. It is sometimes referred to by the common name Soxman's milkvetch, that is native to Texas, Louisiana and Arkansas in the United States of America.

Tillandsia krukoffiana is a plant species in the genus Tillandsia. This species is endemic to Bolivia.