John Duncan Dwyer

American botanist (1915-2005).

Abbreviations: Dwyer
Occupations: explorer, botanist
Citizenships: United States
Dates: 1915-04-26T00:00:00Z – 2005-12-06T00:00:00Z
Birth place: Newark
Direct attributions: 124 plants, 0 fungi
Authorship mentions: 177 plants, 0 fungi
Links:IPNIBHL

124 plants attributed, 53 plants contributed to177 plants:

Psychotria woytkowskii Dwyer & M.V.Hayden 1967
plant species in the rubiaceae family
Psychotria woytkowskii is a species of plant in the family Rubiaceae. It is endemic to Peru.
Philacra Dwyer 1944
plant genus in the ochnaceae family
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
Randia nicaraguensis Lorence & Dwyer 1998
plant species in the rubiaceae family
Randia nicaraguensis is a plant species endemic to Nicaragua. It occurs in tropical drought-deciduous forests at elevations below 850 m. Randia nicaraguensis is a dioecious, deciduous shrub or small tree up to 3 m tall, with a spiny trunk, spiny twigs and exfoliating bark. Leaves are thick and leathery, obovate to lanceolate with winged rachis, the blade up to 10 cm long. Flowers are produced in the tips of branches. Flowers are trumpet-shaped, white or yellow with a green center, up to 15 mm long. Fruits are hard, spherical, up to 70 mm in diameter.
Psychotria rosulatifolia Dwyer 1980
plant species in the rubiaceae family
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Psychotria philacra Dwyer 1980
plant species in the rubiaceae family
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Psychotria olgae Dwyer & M.V.Hayden 1968
plant species in the rubiaceae family
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Psychotria neillii C.W.Ham. & Dwyer 1988
plant species in the rubiaceae family
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Psychotria monteverdensis Dwyer & C.W.Ham. 1988
plant species in the rubiaceae family
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Psychotria liesneri Dwyer 1980
plant species in the rubiaceae family
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Psychotria hornitensis Dwyer & C.W.Ham. 1988
plant species in the rubiaceae family
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Psychotria hammelii Dwyer 1980
plant species in the rubiaceae family
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Psychotria chitariana Dwyer & C.W.Ham. 1988
plant species in the rubiaceae family
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Psychotria boquetensis Dwyer 1980
plant species in the rubiaceae family
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Psychotria bakeri Dwyer 1980
plant species in the rubiaceae family
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Platymiscium darienense Dwyer 1966
plant species in the fabaceae family
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Ouratea prominens Dwyer 1944
plant species in the ochnaceae family
Ouratea prominens, synonym Ouratea cocleensis, is a species of plant in the family Ochnaceae. It is found in Costa Rica and Panama. It is threatened by habitat loss.
Ouratea patelliformis Dwyer 1967
plant species in the ochnaceae family
Ouratea patelliformis is a species of plant in the family Ochnaceae. It is endemic to Panama.
Machaerium chambersii Dwyer 1965
plant species in the fabaceae family
Machaerium chambersii is a species of flowering plant in the Fabaceae family. It is found only in Panama.
Luxemburgia diciliata Dwyer 1951
plant species in the ochnaceae family
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Krukoviella disticha (Tiegh.) Dwyer 1945
plant species in the ochnaceae family
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Gonzalagunia dodsonii Dwyer 1977
vulnerable plant species in the rubiaceae family
Gonzalagunia dodsonii is a species of plant in the family Rubiaceae. It is endemic to Ecuador.
Copaifera paupera (Herzog) Dwyer 1951
plant species in the fabaceae family
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Aspidosperma darienense Woodson ex Dwyer 1966
plant species in the apocynaceae family
Aspidosperma darienense is a species of flowering plant in the family Apocynaceae. It is a tree native to Panama, Colombia, Ecuador, French Guiana, and northern Brazil. It is threatened by habitat loss.
Androcalymma glabrifolium Dwyer 1957
plant species in the fabaceae family
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Sauvagesia imthurniana (Oliv.) Dwyer 1940
plant species in the ochnaceae family
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Randia vazquezii Lorence & Dwyer 1987
plant species in the rubiaceae family
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Randia pterocarpa Lorence & Dwyer 1987
plant species in the rubiaceae family
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Randia lonicerioides Dwyer & Lorence 1987
plant species in the rubiaceae family
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Philacra longifolia (Gleason) Dwyer 1944
plant species in the ochnaceae family
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Philacra duidae (Gleason) Dwyer 1944
plant species in the ochnaceae family
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