Paulus Johannes Maria Maas
Encyclopedia
Paulus Johannes Maria Maas (born 27 February 1939, Arnhem
) is a botanist from the Netherlands
and a specialist in the flora of the neotropics. Maas has identified and named about two hundred fifty plants from the Burmanniaceae
, the Costus Family (Costaceae
), the Gentian Family (Gentianaceae
), the Bloodwort Family (Haemodoraceae
), the Banana Family (Musaceae
), the Olacaceae
, the Triuridaceae
, and the Ginger Family (Zingiberaceae
).http://www.ipni.org/ipni/advPlantNameSearch.do?find_family=&find_genus=&find_species=&find_infrafamily=&find_infragenus=&find_infraspecies=&find_authorAbbrev=Maas&find_includePublicationAuthors=on&find_includePublicationAuthors=off&find_includeBasionymAuthors=on&find_includeBasionymAuthors=off&find_publicationTitle=&find_isAPNIRecord=on&find_isAPNIRecord=false&find_isGCIRecord=on&find_isGCIRecord=false&find_isIKRecord=on&find_isIKRecord=false&find_rankToReturn=all&output_format=normal&find_sortByFamily=on&find_sortByFamily=off&query_type=by_query&back_page=plantsearch]
TheAnnonaceae
and saprotrophic plants from the neotropics, such as the Burmanniaceae
, are two major areas of research.
Maas has also worked with the genus Canna
(Cannaceae) and has published floristic treatments of this group for the Guianas (Maas 1985) and Ecuador (Maas & Maas 1988).
Arnhem
Arnhem is a city and municipality, situated in the eastern part of the Netherlands. It is the capital of the province of Gelderland and located near the river Nederrijn as well as near the St. Jansbeek, which was the source of the city's development. Arnhem has 146,095 residents as one of the...
) is a botanist from the Netherlands
Netherlands
The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...
and a specialist in the flora of the neotropics. Maas has identified and named about two hundred fifty plants from the Burmanniaceae
Burmanniaceae
Burmanniaceae is a botanical name of a family of flowering plants, consisting of about a hundred species of herbaceous plants in roughly a dozen genera. Often they are quite remarkable plants, more often red than green, without much leaf area and not growing very big in any way.The APG II system,...
, the Costus Family (Costaceae
Costaceae
Costaceae or the Costus Family is a family of pantropical monocots. They belong to the order Zingiberales, which contains other horticulturally and economically important plants such as the banana , bird-of-paradise , and edible ginger...
), the Gentian Family (Gentianaceae
Gentianaceae
Gentianaceae are a family of flowering plants of 87 genera and over 1500 species. Flowers are actinomorphic and bisexual with fused sepals and petals. The stamens are attached to the inside of the petals and alternate with the corolla lobes. There is a glandular disk at the base of the gynoecium,...
), the Bloodwort Family (Haemodoraceae
Haemodoraceae
Haemodoraceae is a family of flowering plants. It is sometimes known as the "Bloodwort family". Primarily a Southern Hemisphere family, they are found in South Africa, Australia and New Guinea, and in the Americas Haemodoraceae is a family of flowering plants. It is sometimes known as the...
), the Banana Family (Musaceae
Musaceae
Musaceae is a botanical name for a family of flowering plants. The family is native to the tropics of Africa and Asia. The plants have a large herbaceous growth habit with leaves with overlapping basal sheaths that form a pseudostem making some members appear to be woody trees.The family has been...
), the Olacaceae
Olacaceae
Olacaceae is a family of flowering plants in the order Santalales. They are woody plants, native throughout the tropical regions of the world....
, the Triuridaceae
Triuridaceae
Triuridaceae is a family of flowering plants. Such a family has been recognized by relatively few taxonomists.The APG II system, of 2003, does recognize such a family and places it in the order Pandanales, in the clade monocots...
, and the Ginger Family (Zingiberaceae
Zingiberaceae
Zingiberaceae, or the Ginger family, is a family of flowering plants consisting of aromatic perennial herbs with creeping horizontal or tuberous rhizomes, comprising ca. 52 genera and more than 1300 species, distributed throughout tropical Africa, Asia, and the Americas.Many species are important...
).http://www.ipni.org/ipni/advPlantNameSearch.do?find_family=&find_genus=&find_species=&find_infrafamily=&find_infragenus=&find_infraspecies=&find_authorAbbrev=Maas&find_includePublicationAuthors=on&find_includePublicationAuthors=off&find_includeBasionymAuthors=on&find_includeBasionymAuthors=off&find_publicationTitle=&find_isAPNIRecord=on&find_isAPNIRecord=false&find_isGCIRecord=on&find_isGCIRecord=false&find_isIKRecord=on&find_isIKRecord=false&find_rankToReturn=all&output_format=normal&find_sortByFamily=on&find_sortByFamily=off&query_type=by_query&back_page=plantsearch]
TheAnnonaceae
Annonaceae
Annonaceae, also called the custard apple familyis a family of flowering plants consisting of trees, shrubs or rarely lianas.With about 2300 to 2500 species and more than 130 genera,...
and saprotrophic plants from the neotropics, such as the Burmanniaceae
Burmanniaceae
Burmanniaceae is a botanical name of a family of flowering plants, consisting of about a hundred species of herbaceous plants in roughly a dozen genera. Often they are quite remarkable plants, more often red than green, without much leaf area and not growing very big in any way.The APG II system,...
, are two major areas of research.
Maas has also worked with the genus Canna
Canna (plant)
Canna is a genus of nineteen species of flowering plants. The closest living relations to cannas are the other plant families of the order Zingiberales, that is the gingers, bananas, marantas, heliconias, strelitzias, etc.Canna is the only genus in the family Cannaceae...
(Cannaceae) and has published floristic treatments of this group for the Guianas (Maas 1985) and Ecuador (Maas & Maas 1988).