Cornelis Kalkman

Prunus africana, the African cherry, has a wide distribution in Africa, occurring in montane regions of central and southern Africa and on the islands of Bioko, São-Tomé, Grande Comore, and Madagascar. It can be found at 900–3,400 m (3,000–10,000 ft) above sea level. It is a canopy tree 30–40 m in height, and is the tallest member of Prunus. Large-diameter trees have impressive, spreading crowns. It requires a moist climate, 900–3,400 mm (35–130 in) annual rainfall, and is moderately frost-tolerant. P. africana appears to be a light-demanding, secondary-forest species. The bark is black to

Photinia serratifolia (syn. Photinia serrulata), commonly called Taiwanese photinia or Chinese photinia is a flowering shrub or tree in the flowering plants family Rosaceae, found in mixed forests of China, Taiwan, Japan, the Philippines, Indonesia, and India.

Xylonymus versteeghii is a species of flowering plant belonging to the family Celastraceae. It is the sole species in genus Xylonymus. It is a shrub or tree native to Maluku and New Guinea.

Prunus mirabilis is the name of a cherry tree species, which may refer to: Prunus mirabilis Poit. & Turpin, described in 1810, now considered a synonym of Prunus cerasifera Prunus mirabilis Sumnev., described in 1955, an illegitimate later homonym, now considered a synonym of Prunus cerasifera Prunus mirabilis Kalkman, described in 1965, an illegitimate later homonym, now known as Prunus kalkmanii

Prunus laxinervis is a species of plant in the family Rosaceae. It is found in Indonesia and Malaysia.

Prunus kinabaluensis is a species of flowering plant in the family Rosaceae. It is found in Borneo and the Philippines.

Prunus clementis is a species of plant in the family Rosaceae. It is found in Sulawesi and the Philippines.

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Prunus turneriana is a species of plant in the rose, apple and peach family Rosaceae, native to New Guinea and Australia. Its common names include almondbark, wild almond, and joonda. The name almondbark refers to the almond-like odour emitted when the bark is cut. A late successional rainforest tree, it reaches 30 m (98 ft). The fruit is eaten by cassowaries (Casuarius casuarius), fruit pigeons (Ptilinopus spp.), Herbert River ringtail possums (Pseudochirulus herbertensis) and musky rat-kangaroos (Hypsiprymnodon moschatus).

Prunus turfosa is a species of plant in the family Rosaceae, found in; Kalimantan, Indonesia; Sarawak, Malaysia; and possibly Brunei. The plant is restricted to peat swamp forests. As of 1998, the plant was categorised as Endangered by the IUCN on their "Red List" due to licensing of peat swamp forests of Sarawak to be logged.

Prunus grisea, most commonly known as lago, is a species of flowering plant in the family Rosaceae, and is endemically distributed throughout East, South, and Southeast Asia, as well as parts of Melanesia, spanning over many countries.

Prunus arborea, most commonly known as xoan đào, is a species of flowering plant in the family Rosaceae, distributed throughout East, South, and Southeast Asia, as well as parts of Melanesia, spanning over many countries.

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Prunus wallaceana is a species of Prunus native to Sulawesi, the Maluku Islands and the Lesser Sunda Islands. It is a tree reaching 30 m. It goes by a number of common names, some of them shared with other species, including kenda, lepi and hedhé.

Prunus walkeri is a species of plant in the family Rosaceae. It is endemic to Sri Lanka.

Prunus versteeghii is a species of Prunus native to the island of New Guinea. It is a tree reaching 25 m with strongly‑smelling grey (sometimes brown) bark. Its herbaceous leaves are oblong to oblong‑ovate, 10 to 15 cm long and 4 to 8 cm wide, having rounded to acute bases and acute apices, and two flat basal glands. Its inflorescences have triangular hairy sepals, only about 1 mm long. The petals are elliptic to obovate, also only 1 mm long and hairy. The flowers have 35 to 45 stamens each, with 1.5 mm long filaments and 0.5 to 0.7 mm long anthers. The fruits are purplish‑black when ripe,

Prunus subglabra is a species of plant in the family Rosaceae. It is endemic to the Philippines.

Prunus spicata is a species of Prunus native to the islands of Borneo (Malaysia) and Luzon (Philippines). It is a tree, usually 12 m but reaching 25 m tall, with purplish or brownish bark. Its herbaceous leaves are elliptic to oblong or lanceolate to ovate, 6 to 18 cm long and 2.5 to 6.5 cm wide, having rounded bases and acute, long tapering or acuminate apices, and zero to two (sometimes four) flat basal glands. Stipules also have glands. Leaves are hairy when young, and usually retain some hairs on their undersides when mature. The flowers have 15 to 30 stamens each, with up to 4 mm long

Prunus schlechteri, aimangelo, is a species of Prunus native to New Guinea and the Solomon Islands. It is a tree reaching 35 m. Native peoples chew a pulp of its bark to alleviate the pain of toothaches or apply it externally to relieve aching muscles.

Prunus rubiginosa is a species of plant in the family Rosaceae. It is endemic to the Philippines.

Prunus malayana is a species of plant in the family Rosaceae. It is a tree endemic to Peninsular Malaysia.