Plants named in 1944

Hyacinthoides non-scripta (formerly Endymion non-scriptus or Scilla non-scripta) is a bulbous perennial plant found in Atlantic areas from the north-western part of the Iberian Peninsula to the British Isles, and also frequently used as a garden plant. It is known in English as the common bluebell, English bluebell or simply bluebell, a name which is used in Scotland to refer to the harebell, Campanula rotundifolia. In spring, H. non-scripta produces a nodding, one-sided inflorescence of 5–12 tubular, sweet-scented violet–blue flowers, with strongly recurved tepals, and 3–6 long, linear,

Heracleum sosnowskyi, or Sosnowsky's hogweed, is a monocarpic perennial herbaceous flowering plant in the carrot family, Apiaceae. Its native range includes the central and eastern Caucasus regions and South Caucasus. The native ranges of Heracleum sosnowskyi and H. mantegazzianum, a close relative, overlap. Sosnowsky's hogweed is now a common weed in the Baltic States, Belarus, Poland, Russia, and Ukraine.

Hyacinthoides hispanica (syn. Endymion hispanicus or Scilla hispanica), the Spanish bluebell or wood hyacinth, is a spring-flowering bulbous perennial native to the Iberian Peninsula. It is one of around a dozen species in the genus Hyacinthoides, others including the common bluebell (Hyacinthoides non-scripta) in northwestern Europe, and the Italian bluebell (Hyacinthoides italica) further east in the Mediterranean region.

Juniperus comitana is a species of conifer in the family Cupressaceae. It is a tree native to Guatemala and to Chiapas in southern Mexico.

Juniperus pingii is a species of conifer in the family Cupressaceae. Commonly used in bonsai, it can produce a correct proportional miniature version of the full size tree. It is native only to China. It is named after the Chinese botanist Wan Chun Cheng.

Rudolfiella, abbreviated as Rud. in the horticultural trade, is a genus of orchids comprising eight species native to tropical South America, Trinidad and Panama. They are found in northern Brazil, Colombia, Ecuador, French Guiana, Guyana, Panamá, Peru, Suriname, Trinidad-Tobago and Venezuela. The genus name of Rudolfiella is in honour of Friedrich Richard Rudolf Schlechter (1872–1925), who was a German taxonomist, botanist, and author of several works on orchids.

Cytisus striatus is a species of flowering plant in the legume family known by the common names hairy-fruited broom and Portuguese broom. This plant is native to the west of the Iberian Peninsula and northwestern Morocco. It has been introduced to and has become invasive in parts of western North America and other regions with Mediterranean-type climates.

Juniperus gamboana is a species of conifer in the family Cupressaceae. It is found in Guatemala and Mexico, where it is threatened by habitat loss.

Hyacinthoides italica, the Italian bluebell or Italian squill, is a spring-flowering bulbous perennial plant belonging to the family Asparagaceae. It is one of around 11 species in the genus Hyacinthoides, others including the common bluebell (Hyacinthoides non-scripta) in northwestern Europe, and the Spanish bluebell (Hyacinthoides hispanica) further west in the Iberian Peninsula.

Uleiorchis is a genus of myco-heterotrophic flowering plants from the orchid family, Orchidaceae. There are two known species, native to Central and South America. Uleiorchis liesneri Carnevali & I.Ramírez - Venezuela Uleiorchis ulei (Cogn.) Handro - Costa Rica, Honduras, Panama, Colombia, Venezuela, Guyana, French Guiana, Brazil, Peru, possibly Ecuador

Rheum palaestinum, the desert rhubarb, is a plant indigenous to Palestine, Israel and Jordan with a highly developed system for gathering rainwater.

Pyracantha crenatoserrata, commonly known as Chinese firethorn or Yunnan firethorn, is a species of firethorn. It is a short shrub. It is cultivated for its decorative bright red pome fruit (inaccurately called berries). The flowers are white. It survives in warm climates. It cannot tolerate frost, but it can withstand drought. This species originates from central China. It has become naturalised across parts of Australia, New Zealand and the United States.

Operculicarya (also Operculicaria) is a plant genus in the family Anacardiaceae, native to Madagascar, the Comoro Islands, and Aldabra. They are small dioecious pachycaul trees which mainly grow in dry, rocky areas.

Solanum berthaultii (syn. Solanum tarijense) is a species of wild potato in the family Solanaceae, native to Bolivia and northwestern Argentina. It is being extensively studied for its resistance to Phytophthora infestans, the late potato blight, and for other traits to improve the domestic potato Solanum tuberosum.

Scorpiothyrsus is a genus of flowering plants belonging to the family Melastomataceae. Its native range is Southeastern China to Hainan. Species: Scorpiothyrsus erythrotrichus (Merr. & Chun) H.L.Li Scorpiothyrsus shangszeensis C.Chen Scorpiothyrsus xanthostictus (Merr. & Chun) H.L.Li

Rosa komarovii is a species of rose that was described by Dmitrii Ivanovich Sosnowsky. Rosa komarovii is part of the genus Roses, and the family Rosaceae.

Pheidochloa is a genus of Australian and Papuasian plants in the grass family. Species Pheidochloa gracilis S.T.Blake - New Guinea, Queensland, Northern Territory, Western Australia Pheidochloa vulpioides Veldkamp - New Guinea

Fritillaria falcata is a species of fritillary known by the common name talus fritillary. It is endemic to California, USA, known only from 5 counties south and east of San Francisco Bay (Monterey, San Benito, Stanislaus, Alameda and Santa Clara). It grows in the Coast Ranges at elevations of 300–1200 m, mostly on serpentine talus. It is sometimes considered a subspecies of Fritillaria atropurpurea.

Acacia catenulata is a species of flowering plant in the family Fabaceae and is endemic to some arid areas of Australia. It is a tree with many short, horizontal branches, mostly glabrous branchlets, narrowly elliptic or oblong to linear phyllodes, spikes of yellow flowers, and thinly leathery to crusty pods up to 80 mm (3.1 in) long and easily broken into short pieces.

Xerothamnella is a genus of flowering plants in the family Acanthaceae, native to Queensland, Australia. A molecular study shows that it is nested within Peristrophe.

Syzygium discophorum is a species of flowering plant in the family Myrtaceae. It is a tree endemic to Java in Indonesia. It is an endangered species threatened by habitat loss.

Schisandra glabra, the bay star-vine, is the only American species of the predominantly Asian genus Schisandra. It is native to the southeastern United States and northern Mexico. It grows in Louisiana, eastern Arkansas, southwestern Tennessee, Mississippi, Alabama, northwestern Florida, and Georgia, with isolated populations in Kentucky, South Carolina, North Carolina, and Hidalgo. Despite its wide range, it is considered a vulnerable species. Few populations are secure due to competition from invasive species (such as Japanese honeysuckle) and habitat loss. Schisandra glabra is a trailing

Sacosperma is a genus of flowering plants belonging to the family Rubiaceae. Its native range is Western Tropical Africa to Angola.

Philacra is a genus of flowering plants belonging to the family Ochnaceae. Its native range is Venezuela to Northern Brazil. Species: Philacra auriculata Dwyer Philacra duidae (Gleason) Dwyer Philacra longifolia (Gleason) Dwyer Philacra steyermarkii Maguire

Chamaecytisus ratisbonensis, also called the Regensburg broom, is a species of flowering plant in the family Fabaceae. It is native to territories ranging from Central Europe to the Balkan Peninsula to Ukraine. It has been introduced into the Baltic States.

Bromus arizonicus is a species of annual brome grass known by the common name Arizona brome. It is native to the Southwestern United States, California, and Baja California, where it grows in many types of grassy valley and desert habitat.

Begonia peltatifolia, the shieldleaf begonia, is a species of plant in the family Begoniaceae. It is a rhizomatous geophyte endemic to Hainan in southern China. It grows on limestone rocks and broad-leaved forests.

Astragalus monoensis is a rare species of milkvetch known by the common name Mono milkvetch. It is endemic to the open pumice plains of central Mono County, California.

Alchemilla jaroschenkoi, the holotrichous lady's mantle, is a species of lady's mantle that is endemic to Azerbaijan, where it is only known from near Kiçik Cheurly. It is found in alpine meadows and pastures.

Viburnum hondurense is a species of plant in the Adoxaceae family. It is endemic to Honduras.