William R. Anderson's research while affiliated with Concordia University–Ann Arbor and other places
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Publications (33)
Three new species of Bunchosia are described and illustrated. Bunchosia cuscana from Andean Peru bears two pseudoracemes per leaf axil, instead of the more common single inflorescence, and is compared with B. argentea with which it shares abaxially densely sericeous leaf blades and a 2-carpellate ovary. The 3-carpellate Mexican B. hedraiophylla has...
Seven new species of neotropical Malpighiaceae are described: Aspicarpa steinmannii, Bunchosia breedlovei, and Bunchosia cruciana from Mexico; Bunchosia soejartoi, Lophanthera marcelae, and Mascagnia corymbosa from Colombia; and Heteropterys tiinae from Peru.
The most recent phylogenetic analysis of Malpighiaceae shows the small Caribbean genus Triopterys to be nested within the larger continental genus Mascagnia. The morphology of Triopterys is consistent with that of Mascagnia, and the samara-shape for which Triopterys was named is not found in all its species, so the two genera are combined under the...
Seven new species of neotropical Malpighiaceae are described: Aspicarpa steinmannii, Bunchosia breedlovei, and Bunchosia cruciana from Mexico; Bunchosia soejartoi, Lophanthera marcelae, and Mascagnia corymbosa from Colombia; and Heteropterys tiinae from Peru.
The approximately 42 lineages of Malpighiaceae currently known in Mexico are identified and briefly described and discussed. All the Mexican lineages have their ultimate roots in South America, although in some cases the connections are inferred only through phylogeny and several Mexican genera probably originated in Mexico. All the lineages have e...
The approximately 42 lineages of Malpighiaceae currently known in Mexico are identified and briefly described and discussed. All the Mexican lineages have their ultimate roots in South America, although in some cases the connections are inferred only through phylogeny and several Mexican genera probably originated in Mexico. All the lineages have e...
Unlabelled:
Premise of the study:
The Malpighiaceae include ∼1300 tropical flowering plant species in which generic definitions and intergeneric relationships have long been problematic. The goals of our study were to resolve relationships among the 11 generic segregates from the New World genus Mascagnia, test the monophyly of the largest remai...
In the light of morphological and molecular evidence that the genus Mascagnia is polyphyletic, eight segregate genera are described, discussed, and illustrated, the necessary new combinations are proposed, and five new species are described (Amorimia camporum, A. kariniana, A. septentrionalis, A. velutina, and Niedenzuella caracasana). Keys to gene...
Phylogenetic analyses of molecular and morphological data have shown the genus Banisteriopsis to be polyphyletic and the genus Diplopterys to be nested within Banisteriopsis subg. Pleiopterys, which is not in the clade that contains the type of the name Banisteriopsis. Therefore, it is necessary to take up the name Diplopterys for the small genus f...
Se describe e ilustra a Callaeum johnsonii (Malpighiaceae) como una nueva especie
del estado mexicano de Puebla. Morfológicamente, C. johnsonii es similar a C. clavipetalum
D. M. Johnson de Oaxaca, pero difiere en caracteres de las estípulas, hojas, brácteas y
bractéolas.
The rattlesnake fern (Botrychium virginianum (L.) Sw.) is obligately mycotrophic and widely distributed across the northern hemisphere. Three mitochondrial gene regions place this species with other ferns in Ophioglossaceae, while two regions place it as a member of the largely parasitic angiosperm order Santalales (sandalwoods and mistletoes). The...
A revision is provided for the Mascagnia cordifolia group, five South American species with basally biglandular petioles. The group comprises M. aptera W. R. Anderson, M. cordifolia (Adr. Juss. in A. St.-Hil.) Griseb. in Mart., and three new species: M. aequatorialis W. R. Anderson & C. Cav. Davis, M. affinis W. R. Anderson & C. Cav. Davis, and M....
Latex and laticifers are reported for the first time in the genera Galphimia and Verrucularia (Malpighiaceae), with description and illustration of the leaf and stem anatomy of both genera. Those genera and the other two in which latex is known (Lophanthera and Spachea) constitute a single tribe, Galphimieae, that is at or near the base of the fami...
Phylogenetic analyses of DNA nucleotide sequences from the plastid genes rbcL and matK were employed to investigate intergeneric relationships within Malpighiaceae. Cladistic relationships generated from the independent data matrices for the family are generally in agreement with those from the combined matrix. At the base of Malpighiaceae are seve...
The Malpighiaceae are a family of ∼1250 species of predominantly New World tropical flowering plants. Infrafamilial classification has long been based on fruit characters. Phylogenetic analyses of chloroplast DNA nucleotide sequences were analyzed to help resolve the phylogeny of Malpighiaceae. A total of 79 species, representing 58 of the 65 curre...
Heteropterys mulgurae, from Misiones, Argentina, and Paraná, Brazil, and H. schulziana, from Salta, Argentina, are described as new, and the distinction of each from its closest sister species is discussed.
Frutex (I-) 2-3 m longus vel arbor 3-10 m alta, ramis glabris. Lamina foli- orum majorum 7-12 (-13) cm longa, (2.5-) 3-5 cm lata, elliptica vel ovata, apice acuminata acumine B-20 mm longo, glabra, abaxialiter utrinque costae (2-) 3-5 (- 7) glandulis seriatis munita; petiolus 4-7 (-9) mm longus; stipulae 0.5-1.3 mm longae. Inflorescentiae caulinae,...
Four species of Hiraea are described and discussed:H. gracieana andH. morii from Saül, French Guiana,H. longipes from the Oyapock region of French Guiana and Amapá, Brazil, andH. propinqua from French Guiana and Suriname.Hiraea gracieana is illustrated.
Lophanthera hammelii sp. nov. is described, illustrated, and compared to the other four species of the genus. The distribution of all five species
is mapped and discussed, and the chromosome number ofL. lactescens (n=6) is proposed as the likeliest base-number for the family Malpighiaceae.
Some Malpighiaceae produce minute cleistogamous flowers in addition to showy chasmogamous flowers. Standard techniques fail to reveal how the cleistogamous flowers achieve self-fertilization. Fluorescence in longitudinal sections shows that the pollen germinates inside the indehiscent anther. The pollen tubes then grow down through the filament,. i...
The new genusBarnebya is described and illustrated and its systematic position in the Malpighiaceae is discussed, especially its similarity in
some respects to the primitive subfamily Byrsonimoideae and in other respects to the Old World genusAcridocarpus. Two species are recognized,B. dispar comb. nov. andB. harleyi sp. nov.; these are described a...
Pterandra sericea, a new species from southeastern Venezuela and western Guyana, is described, illustrated, and compared with
its nearest relative,P. flavescens, another species of the Guayana Highland.
The first species of Jubelina known from Central America is namedJubelina wilburi, described, illustrated, and compared with its nearest relative,J. uleana of Peru.
The genus Dicella (Malpighiaceae) has been collected for the first time in Colombia by Dr. Djaja D. Soejarto. The species is Dicella julianii (Macbride) W. R. Anderson, comb. nov. It is described, illustrated, and compared to its nearest relative, D. conwayi. The phytogeographic significance of this trans-Andean disjunct from Amazonia is discussed...
Neotypes are proposed for Malpighia diphylla Jacq., M. nitida Jacq., and M. odorata Jacq., the basionyms for the three species of Bunchosia that Jacquin described from Cartagena, Colombia. Bunchosia diphylla (Jacq.) Cuatrec. & Croat is the correct name for what has been called B. columbica Nied. Bunchosia nitida (Jacq.) DC. is the oldest name for B...
The Malagasy genera Rhynchophora Arènes and Calyptostylis Arènes are combined under the name Rhynchophora, and the new species R. phillipsonii W. R. Anderson is described and illustrated. It is morphologically androdioecious but probably functionally dioecious. The distribution of indehiscent fruits in the Malpighiaceae is discussed, with comments...
Mascagnia leticiana W. R. Anderson is transferred to Malpighia to become Malpighia leticiana (W. R. Anderson) W. R. Anderson & C. Cav. Davis, on the basis of a new phylogenetic analysis of DNA sequences and morphological characters. The morphology of M. leticiana is illustrated and discussed in the context of the problem of distinguishing between M...
Lophopterys Adr. Juss. is a South American genus of Malpighiaceae comprising seven species, two of which are described here as new (L. floribunda W. R. Anderson & C. C. Davis and L. occidentalis W. R. Anderson & C. C. Davis). The taxonomic history, morphology, circumscrip- tion, and systematic position of the genus are discussed, with the conclusio...
Citations
... ; https://doi.org/10.1101/2022.11.14.516456 doi: bioRxiv preprint specimens were nested, Malpighiaceae and Ehretiaceae, and the results for each specimen 91 are described below. corresponding to the core/true Mascagnia rather than the many recent segregates of this 105 former polyphyletic genus [22][23][24][25][26]. This clade of three species is also retrieved, with higher 106 support, in [18], a phylogeny based on matK and rbcL plus two additional regions not 107 sequenced in our study, chloroplast ndhF and nuclear PHYC. ...
![[object Object]](https://i1.rgstatic.net/ii/profile.image/804941958504449-1568924526286_Q64/Charles-Davis-30.jpg)
... Currently, B. maritima is used in a much more restricted sense than it previously was. Nevertheless, the identity and application of this name remains doubtful, varying greatly according to the author (Huber 1901;Skottsberg 1901;dobson 1938;Macbride 1950;anderson 1993, 1997anderson & anderson 2015). ...
... These two instances constitute the first record altogether of cambial variants outside the tetrapteroid and stigmaphylloid clades in Malpighiaceae. The Hiraea clade is sister to the tetrapteroids and stigmaphylloids clades, while Bunchosia clade is sister to tetrapteroids + stigmaphylloids + Hiraea clades (Fig. 1) and has one of the most species-rich genera in the family, the arboreal Bunchosia [63]. While Hiraea is a neotropical genus being more diverse in northwestern South America [5,64], Tristellateia is the only paleotropical genus within the Bunchosia clade, exclusively distributed in continental Africa, Madagascar, and South-east Asia [65]. ...
... Some aspects of the leaves and inflorescence shape of Heteropterys serrata resemble H. nitida, a rather common and variable species that occurs along the coast from southern Bahia to Paraná, and inland as far as eastern Minas Gerais, Brazil (Anderson 1998). However, in H. serrata the glands on the leaf margin are at the apex of the teeth (vs. ...
... Further research might clarify whether bisexual flowers in Lasiocarpus only function as male flowers and thus pollen is the only reward offered to pollinators because the sepals and petals lack glands. This has been investigated in other Malpighiaceae (Anderson 2001). Willis et al. (2014) suggested that Lasiocarpus, along with other Malpighiaceae with close relatives in South America, was able to disperse from South America to Mexico in a stepping-stone pattern aided by its bristly fruits, over land masses with the rise of Central America. ...
... The Malpighia genre comprises 12 endemic Mexican species of shrubs and small trees belonging to the Malpighiaceae family. It grows naturally in the Yucatan peninsula and southern states of Mexico, extending to Central America [125]. The fruit juice from M. glabra contains high vitamin C content, as well as flavonoids, carotenoids and anthocyanins. ...
... Eucommia ulmoides Oliv. (Duzhong) is a traditional Chinese herbal medicine and is recorded in the ancient pharmacy classics, Shen Nong's Herbal Classic and Compendium of Materia Medical (Anderson, 1982). It is the only existing species of the family Eucommiaceae (Tokumoto et al., 2016). ...
... Samples of flowers and/ or fruits collected on the field were preserved in 70% alcohol for identification and description purposes. All specimens were analyzed using a stereomicroscope, specialized literature (Niedenzu 1928;Radford et al. 1974;Anderson 1981Anderson , 2001Anderson , 2005Anderson , 2014Anderson & Gates 1981;Chase 1981;Almeida & Pellegrini 2016) and consulting nomenclatural types on virtual herbaria. Geographical distribution data were obtained from the analyzed specimens and the phytophysiognomy classification proposed by Veloso et al. (1991). ...
... Comentários: Lophopterys compreende sete espécies encontradas nas florestas Amazônica e Atlântica na América do Sul (Anderson & Davis, 2001). No Brasil, podem ser encontradas nas florestas Amazônica e Atlântica (BFG, 2015). ...
... Referência: Salgado-Labouriau (1973). Dados ecológicos: Banisteriopsis é um dos maiores gêneros da família Malpighiaceae, com cerca de 100 espécies (Anderson & Gates, 1975). O gênero compreende lianas com distribuição exclusivamente neotropical, estando restrito aos trópicos do continente americano, com grande diversidade na região central do Brasil (Gates, 1982). ...
