Pieter van Royen

Dutch botanist and explorer specializing on the new guinea flora (1923-2002).

Pieter van Royen (1923-2002) was a Dutch botanist. He is an author of many papers on the flora of New Guinea.

Abbreviations: P.Royen
Occupations: scientific collector, explorer, botanist, botanical collector
Citizenships: Kingdom of the Netherlands
Dates: 1923-01-01T00:00:00Z – 2002-01-01T00:00:00Z
Birth place: South Sumatra
Direct attributions: 290 plants, 0 fungi
Authorship mentions: 383 plants, 0 fungi

290 plants attributed, 93 plants contributed to383 plants:

Manilkara zapota (Sapodille) (L.) P.Royen 1953
medicinal plant species in the sapotaceae family
Manilkara zapota, commonly known as sapodilla (Spanish: [ˌsapoˈðiʝa]), sapote, chicozapote, chico, chicoo, chicle, naseberry, nispero, or soapapple, among other names, is an evergreen tree native to southern Mexico and Central America. An example natural occurrence is in coastal Yucatán, in the Petenes mangroves ecoregion, where it is a subdominant plant species. It was introduced to the Philippines during Spanish colonization. It is grown in large quantities in Mexico and in tropical Asia, including India, Pakistan, Thailand, Malaysia, Cambodia, Indonesia, Vietnam, Bangladesh, as well as in
Madhuca diplostemon (C.B.Clarke) P.Royen 1960
critically endangered plant species in the sapotaceae family
Madhuca diplostemon is a species of flowering plant in the family Sapotaceae, endemic to India. It is a threatened tree species of the Western Ghats whose original specimens were collected in 1835, and it was considered extinct for 184 years until a single living specimen was discovered in a sacred grove in Kollam district, when scientists at the Jawaharlal Nehru Tropical Botanic Garden and Research Institute (JNTBGRI) identified the tree as Madhuca diplostemon rather than the common attilippa (Madhuca neriifolia). The lone mature tree is located at the Koonayil Ayiravilli Shiva temple at
Bulbophyllum concavibasalis P.Royen 1979
plant species in the orchidaceae family
Bulbophyllum concavibasalis is a species of orchid in the genus Bulbophyllum. It grows well in many tropical places such as PNG and Indonesia. It tends to grow individually with 1 flower per plant
Bulbophyllum compressilabellatum P.Royen 1979
plant species in the orchidaceae family
Bulbophyllum compressilabellatum is a species of orchid in the genus Bulbophyllum.
Planchonella eerwah (Shiny-leaf Coondoo) (F.M.Bailey) P.Royen 1957
plant species in the sapotaceae family
Planchonella eerwah is a rare species of Australian rainforest tree in the family Sapotaceae. Common names include shiny-leaved condoo, black plum and wild apple. It is endemic to south eastern Queensland, with a restricted distribution and regarded as endangered. The tree was first described as Sideroxylon eerwah in 1894 by Frederick Manson Bailey, before being moved to its current binomial name by Baehni in 1942. The species name is derived from Mount Eerwah near Eumundi in Queensland. A genetic analysis of material found that Planchonella eerwah was most closely related to Planchonella
Bulbophyllum rubipetalum P.Royen 1979
plant species in the orchidaceae family
Bulbophyllum rubipetalum is a species of orchid in the genus Bulbophyllum.
Bulbophyllum galliaheneum P.Royen 1979
plant species in the orchidaceae family
Bulbophyllum galliaheneum is a species of orchid in the genus Bulbophyllum.
Bulbophyllum major (Bulbophyllum Majus) (Ridl.) P.Royen 1979
plant species in the orchidaceae family
Bulbophyllum majus is a species of orchid in the genus Bulbophyllum.
Madhuca sessiliflora P.Royen 1960
vulnerable plant species in the sapotaceae family
Madhuca sessiliflora is a species of plant in the family Sapotaceae. It is a tree endemic to Peninsular Malaysia. It is threatened by habitat loss.
Madhuca rufa (King & Gamble) P.Royen 1960
vulnerable plant species in the sapotaceae family
Madhuca rufa is a species of plant in the family Sapotaceae. It is a tree endemic to Peninsular Malaysia. It is threatened by habitat loss.
Madhuca obtusifolia (King & Gamble) P.Royen 1960
plant species in the sapotaceae family
Madhuca obtusifolia is a species of plant in the family Sapotaceae. It is a tree endemic to Peninsular Malaysia.
Madhuca calcicola P.Royen 1960
endangered plant species in the sapotaceae family
Madhuca calcicola is a species of plant in the family Sapotaceae. It is a tree endemic to Peninsular Malaysia. It is threatened by habitat loss.
Indotristicha P.Royen 1959
plant genus in the podostemaceae family
Indotristicha ramosissima is a species of flowering plant belonging to the family Podostemaceae. It is the sole species in genus Indotristicha.
Burckella sorei P.Royen 1967
endangered plant species in the sapotaceae family
Burckella sorei is a species of plant in the family Sapotaceae. It is found in Papua New Guinea and the Solomon Islands. It is threatened by habitat loss.
Palaquium vexillatum P.Royen 1960
endangered plant species in the sapotaceae family
Palaquium vexillatum is a tree in the family Sapotaceae. It is native to Borneo.
Palaquium rufolanigerum P.Royen 1960
plant species in the sapotaceae family
Palaquium rufolanigerum is a tree in the family Sapotaceae. The specific epithet rufolanigerum means 'reddish woolly', referring to the indumentum.
Palaquium kinabaluense P.Royen 1960
endangered plant species in the sapotaceae family
Palaquium kinabaluense is a tree in the family Sapotaceae. It is named after Mount Kinabalu in Malaysia's Sabah state, on Borneo.
Palaquium cryptocariifolium P.Royen 1960
plant species in the sapotaceae family
Palaquium cryptocariifolium is a tree in the family Sapotaceae. The specific epithet cryptocariifolium refers to the resemblance of the leaves to those of the tree genus Cryptocarya.
Palaquium cochleariifolium P.Royen 1960
plant species in the sapotaceae family
Palaquium cochleariifolium is a tree in the family Sapotaceae. The specific epithet cochleariifolium means 'spoon-shaped leaves'.
Palaquium beccarianum (Pierre) P.Royen 1957
plant species in the sapotaceae family
Palaquium beccarianum is a tree in the family Sapotaceae. It is named for the Italian naturalist Odoardo Beccari.
Madhuca woodii P.Royen 1960
vulnerable plant species in the sapotaceae family
Madhuca woodii is a tree in the family Sapotaceae. It is named for the botanist Geoffrey Wood.
Madhuca spectabilis P.Royen 1960
endangered plant species in the sapotaceae family
Madhuca spectabilis is a tree in the family Sapotaceae. The specific epithet spectabilis means 'spectacular', referring to the tree's appearance.
Madhuca sepilokensis P.Royen 1960
endangered plant species in the sapotaceae family
Madhuca sepilokensis is a tree in the family Sapotaceae. It is named for Sepilok in Malaysia's Sabah state.
Madhuca sandakanensis P.Royen 1960
vulnerable plant species in the sapotaceae family
Madhuca sandakanensis is a tree in the family Sapotaceae. It is named for Sandakan in Borneo.
Madhuca montana P.Royen 1960
endangered plant species in the sapotaceae family
Madhuca montana is a tree in the family Sapotaceae. The specific epithet montana means 'of the mountains', referring to its habitat.
Madhuca borneensis P.Royen 1960
plant species in the sapotaceae family
Madhuca borneensis is a plant in the family Sapotaceae.
Eriandra fragrans P.Royen & Steenis 1952
plant species in the polygalaceae family
Eriandra fragrans is a species of flowering plant belonging to the family Polygalaceae. It is the sole species in genus Eriandra. It is a tree native to New Guinea and the Solomon Islands.
Eriandra P.Royen & Steenis 1952
plant genus in the polygalaceae family
Eriandra fragrans is a species of flowering plant belonging to the family Polygalaceae. It is the sole species in genus Eriandra. It is a tree native to New Guinea and the Solomon Islands.
Dendrobium juncoideum P.Royen 1979
plant species in the orchidaceae family
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Dendrobium habbemense P.Royen 1979
plant species in the orchidaceae family
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