Ludwig Diels

Angelica sinensis, commonly known as dong quai (simplified Chinese: 当归; traditional Chinese: 當歸; pinyin: dāngguī; Jyutping: dong1 gwai1; Pe̍h-ōe-jī: tong-kui) or female ginseng, is a herb belonging to the family Apiaceae, indigenous to China. A. sinensis grows in cool high altitude mountains in East Asia. The yellowish brown root of the plant is harvested in the fall and used in traditional Chinese medicine. There was previously no scientific evidence that A. sinensis is effective for any medicinal purpose. More recently, there have been further studies, with multiple showing that ASP

Pilea peperomioides, the Chinese money plant, UFO plant, pancake plant, lefse plant or missionary plant, is a species of flowering plant in the nettle family Urticaceae, native to Yunnan and Sichuan provinces in southern China.

Fagus engleriana, the Engler's beech, also known as Chinese beech, is a species of beech native to central and eastern China (Anhui, Guangxi, Guizhou, Henan, Hubei, Hunan, Shaanxi, Sichuan, Yunnan, and Zhejiang provinces) where it grows in broad-leaved and mixed forests. It can reach 25 m (82 ft) in height. The shoots are dark brown and hairless. Leaves contain 10–14 vein-pairs and the margin is hairless, deckled and scarcely toothed.

Rhoiptelea is a monotypic genus of flowering plants in the family Juglandaceae. It contains a single species, Rhoiptelea chiliantha, commonly known as the horsetail tree. This genus was previously recognized in its own family, Rhoipteleaceae, but the APG III system of 2009 placed it in the Juglandaceae family. Rhoiptelea chiliantha is native to southwest China and north Vietnam and lives at the elevation of 700-1600m in mountainous areas. The trees are wind-pollinated, the flowers arranged in large sagged panicles usually 32 cm long like horse tails, and the fruit is a small botanical nut

Himantandraceae is a family of flowering plants recognized by the APG II system of 2003, assigned to the order Magnoliales in the clade magnoliids. The family consists of only one genus, Galbulimima, of probably two species, trees and shrubs, found in tropical areas in Southeast Asia and Australia. Plants in this family are aromatic trees covered with peltate, scaly indumentum. The leaves are entire and alternate, but stipules are absent. Flowers are either solitary or paired on short axillary branches. Each flower contains about seven petals and about forty stamens, though the stamens and

Terminalia superba, the superb terminalia, limba, afara (UK), korina (US), frake (Africa), African limba wood, or ofram (Ghana), is a large tree in the family Combretaceae, native to tropical western Africa. It grows up to 60 m tall, with a domed or flat crown, and a trunk typically clear of branches for much of its height, buttressed at the base. The leaves are 10 cm long and 5 cm broad, and are deciduous in the dry season (November to February). The flowers are produced at the end of the dry season just before the new leaves; they are small and whitish, growing in loose spikes 10–12 cm

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Acer pentaphyllum (五小叶槭 wu xiao ye qi) is a very rare, endangered maple species endemic to southwestern Sichuan in China, at elevations of 2300–2900 meters. Acer pentaphyllum is a deciduous tree that grows to 10 meters in height. Leaves are palmately compound hairless, usually with 5 lobes but sometimes with 4 or 7. Leaflet are 5-8 × 1.5–2 cm, narrowly lanceolate or lanceolate.

Tiliacora triandra is a species of flowering plant native to mainland Southeast Asia and used particularly in the cuisines of northeast Thailand and Laos. In the Isan dialect of Lao, the language of northeastern Thailand, it is called bai yanang or bai ya nang (ใบย่านาง, literally "yanang leaf"), or simply yanang or ya nang (ย่านาง). In Laos, it is also called bai yanang (ໃບຢານາງ). In Khmer, it is called voar yeav (វល្លិយាវ). It is a climbing plant with deep green leaves and yellowish flowers, tolerating only very mild frost.

Salvia castanea is a herbaceous perennial plant discovered in the Yunnan Valley in China in 1904 by plant collector George Forrest. It also grows in Nepal, Bhutan, and Tibet. The plants used in horticulture today likely came from seed collected from a plant at 14,000 ft in Nepal, at the base of Mt. Everest. It grows 3 ft tall in the wild, and 1–2 feet in cultivation in Europe and the U.S. The few 1.0–1.5 in flowers grow in whorls on an inflorescence about 1 ft long. The name castanea, which means 'chestnut colored', refers to the purplish-maroon flowers

Ligularia przewalskii, also called Przewalski's leopardplant and Przewalski's golden ray, is a species of perennial herbaceous plant in the genus Ligularia and the family Asteraceae, native to damp places in Mongolia and Northern China. Named after the Russian explorer Nikolai Przhevalsky, it used to be called Senecio przewalskii Maxim. Growing to a height of 1.5–2 m (4.9–6.6 ft), Przewalski's ligularia is a popular ornamental plant cultivated for its large, deeply cut foliage and tall spike-like inflorescences with bright yellow composite flowers. It blooms in summer, from July to August. In

Illicium henryi, also known by the common names Henry anise tree and Chinese anise tree is a species in the genus Illicium in the family Schisandraceae.

Anonidium is a genus of plants in family Annonaceae. As of January 2025, Plants of the World Online accepts the following 5 species: Anonidium brieyi De Wild. Anonidium floribundum Pellegr. Anonidium letestui Pellegr. Anonidium mannii Engl. & Diels Anonidium usambarense R.E.Fr.

Vitis betulifolia is a widely ranging species of liana in the grape family native to China (found in Gansu, Henan, Hubei, Hunan, Shaanxi, Sichuan and Yunnan provinces) where its habitat is forested or shrubby valleys and hillsides, at elevations from 600 to 3,600 metres (2,000 to 11,800 ft). Vitis betulifolia has rather long intervals for both flowering (March — June) and fruiting (June — November), bearing globose, blackish-purple berries. Although there may be no vernacular English name for this species, the Chinese name is hua ye pu tao, which translates to "birch-leaf grape". Both the

Salvia bulleyana is a perennial plant that is native to Yunnan province in China, growing on hillsides at 2,100 to 3,400 m (6,900 to 11,200 ft) elevation. S. bulleyana grows on a few branched stems with ovate to ovate-triangular leaves. Inflorescences are 4 flowered verticillasters in loose racemes or panicles that are 15 to 30 cm (5.9 to 11.8 in), with a purple-blue corolla that is 2 cm (0.79 in). S. bulleyana is closely related to and commonly mistaken for another Yunnan Salvia, Salvia flava. In Great Britain and the U.S. nursery trade, S. flava is often sold as S. bulleyana. The flowers of

Drosera schizandra is a species of Drosera found in Queensland, Australia. Commonly called the notched sundew or heart-leaf sundew, it has round, oval leaves that sometimes develop notched tips as they grow, giving them a heartlike shape.

Rhododendron adenogynum (simplified Chinese: 腺房杜鹃; traditional Chinese: 腺房杜鵑; pinyin: xiànfáng dùjuān) is a species of flowering plant in the heath family Ericaceae, native to southwest Sichuan, southeast Xizang, and northwest Yunnan in China, where it grows at altitudes of 3,200–4,200 m (10,500–13,800 ft). This evergreen shrub grows to 1–2 m (3.3–6.6 ft) in height, with leathery leaves that are lanceolate to oblong-lanceolate, 6–12 by 2–4 cm in size. The flowers are white to pink, with crimson spots. Though hardy, it is rarely seen in cultivation outside of specialist collections.

Pteroxygonum giraldii is a species of flowering plant in the family Polygonaceae, endemic to the Chinese provinces of Gansu, Hebei, Henan, Hubei, Shaanxi, Shanxi, and Sichuan. It is found at altitudes of 600–2,000 m (2,000–6,600 ft). It grows to more than 3 m (10 ft) in height, with leaf blades triangular or triangular-ovate in shape, 4–7 cm (1.6–2.8 in) by 3–6 cm (1.2–2.4 in).

Polyceratocarpus is a genus of flowering plants in the family Annonaceae. All known species are native to continental Africa. Species include: Polyceratocarpus angustifolius, Paiva Polyceratocarpus askhambryan-iringae Polyceratocarpus germainii Botique Polyceratocarpus gossweileri, (Exell) Paiva Polyceratocarpus laurifolius, Paiva Polyceratocarpus microtrichus, (Engl. & Diels) Ghesq. ex Pellegr. Polyceratocarpus parviflorus (Baker f.) Ghesq. Polyceratocarpus pellegrinii, Le Thomas Polyceratocarpus scheffleri, Engl. & Diels Polyceratocarpus vermoesenii Robyns & Ghesq.

Juglans neotropica is a species of plant in the Juglandaceae family. It is found in Colombia, Ecuador, and Peru. It is threatened by habitat loss. Common names include Colombian walnut, Ecuadorian walnut, Andean walnut, nogal, cedro negro, cedro nogal, and nogal Bogotano.

Diclinanona is a genus of plants in the family Annonaceae.

Xylopia quintasii, commonly known as Elo, is a species of evergreen tree, in the family Annonaceae that grows 20-25 metres tall. Xylopia quintasii can tolerate temperatures above at least 1°C. Its leaves are oblanceolate and petiolate. Xylopia quintasii produces six star-shaped flowers. Xylopia quintasii is native to West Africa. It is known as Aghako in Ghana and Mvomba in Cameroon.

Styrax hemsleyanus (老鸹铃), the Hemsley snowball, is a species of flowering plant in the family Styracaceae, native to central China. Growing to 12 m (39 ft) tall by 5 m (16 ft) broad, it is a conical deciduous tree with large rounded leaves, 12 cm (5 in) long, and clusters of cup-shaped flowers in early summer. The plant has gained the Royal Horticultural Society's Award of Garden Merit.

Salvia trijuga (little danshen) is a perennial plant that is native to Yunnan, Sichuan, and Xizang provinces in China, found growing on hillsides, streamsides, grasslands, thickets, forests, and valleys at 1,900 to 3,900 m (6,200 to 12,800 ft) elevation. S. trijuga grows on erect stems to 30 to 60 cm (12 to 24 in) tall. Inflorescences are widely spaced 2-flowered verticillasters in terminal racemes or panicles, with a 2 cm (0.79 in) blue-purple corolla with yellow spots.

Salvia flava is a herbaceous perennial shrub native to Yunnan province in China, growing in large numbers at 7,500-13,000 ft elevation. It grows on hillsides and along streambanks in gravelly soil with maples, willows, viburnum, berberis, and clematis. It grows over 2 ft tall with rich grassy green leaves that are about 3 in long with a puckered surface and pointed tip. In summer the flower stalk grows to 2 ft long, with yellow to yellow-brown flowers with a purple spot on the lower lip. The tubular shaped flowers are in whorls of four to eight, widely spaced, with long soft hairs. The Flora

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Parthenocissus henryana (Chinese Virginia-creeper or silver vein creeper) is a species of flowering plant in the vine family Vitaceae, native to China.

Neosepicaea is a genus of flowering plants belonging to the family Bignoniaceae. Its native range is New Guinea to Queensland.

Lomatia hirsuta, known as radal, is a species of flowering plant in the family Proteaceae. It is a tree native to Argentina, Chile, and Peru. In Chile, it grows from Coquimbo to Chiloe (36 to 42°S). It grows on a variety of soils and humidity. It grows on poor soils near ravines.

Hexalobus monopetalus is a species of plant in the family Annonaceae with the common name baboon's breakfast. It is native to Angola, Benin, Botswana, Burkina Faso, Cameroon, Central African Republic, Chad, Gambia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Liberia, Malawi, Mali, Mozambique, Namibia, Niger, Nigeria, Senegal, South Africa, Sudan, Tanzania, Togo, Uganda, Zambia, Zaire and Zimbabwe. Achille Richard, the French botanist who first formally described the species, using the basionym Uvaria monopetala, named it after its petals which are fused at their base.