Three new species of Justicia sect. Justicia (Acanthaceae) from tropical Africa

Three new species of Justicia sect. Justicia (Acanthaceae) are described: Justicia regis from Kenya, Justicia acutifolia from Tanzania, and Justicia telloensis from Cameroun.     

Justicia tetrasperma sp. nov.–a linking species between Justicia and Monechma (Acanthaceae)

Justicia tetrasperma , a new species of Justicia sect. Monechma , is described on material from Shaba in Zaire. Its capsules with four smooth and compressed seeds is a character combination in favour of an inclusion of Monechma in Justicia .     

Justicia masiaca (Acanthaceae), a new species from northwestern Mexico

Justicia masiaca, a new species endemic to northwestern Mexico, is described, illustrated, and compared with the morphologically similarJ. longii. In its 4-aperturate pollen,Justicia masiaca is unique among those species ofJusticia with elongate, cylindrical corolla tubes that were previously treated inSiphonoglossa.     

爵床科一新组合—菲律宾爵床

查阅模式标本后发现Hypoestes pulgarense Elmer的花单生或少数花聚生于叶腋内,并且花药两室,下方一室具矩.这些特征与枪刀药属(Hypoestes)聚伞花序及单室花药的特征不符,而与爵床属(Justicia)一致.因此提出一新组合--菲律宾爵床(Justicia pulgarensis(Elmer)C.M.Gao & Y.F.Deng).     

Further notes on Bolivian <Emphasis Type="Italic">Justicia</Emphasis> L. (Acanthaceae)

Two new taxa of Justicia are recognised from Bolivia. Justicia fuentesii J. R. I. Wood is described as a new species. The two isolated populations of Justicia mesetarum Wassh. & J. R. I. Wood can be distinguished by a range of minor morphological differences and are treated as distinct subspecies with subsp. chiquitana J. R. I. Wood described as new. The new taxa are illustrated and mapped.     

Notes on SE Asian Acanthaceae 1

The taxonomic importance of the rising placenta in capsules of Acanthaceae is briefly discussed, particularly in relation to Justicia versus Rungia. Rungia naoensis is described as a new species. Justicia imlayae and J. internodialis are new names. New combinations are Justicia stolonifera, Pseuderanthemum lapathifolium, P. latifolium, Ptyssiglottis isophylla, P. kunthiana, Rungia adnata, R. burmanica, R. clauda, R. eberhardtii, R. monetaria, R. oligoneura, R. purpurascens, R. selangorensis, R. subtilifolia, R. vegeta. Antheliacanthus is a synonym of Pseuderanthemum and Polytrema a synonym of Ptyssiglottis.     

中国爵床科一新组合——尾叶爵床(英文)

尾叶纤穗爵床(Leptostachya caudatiflora H. S.Lo D.Fang)的花药下方一室基部具距,应为爵床属植物,提出1个新组合——尾叶爵床(Justicia caudatifolia (H.S.Lo D.Fang) Z.P.Hao,Y.F.Deng T.Daniel),而纤穗爵床属仍为单种属。     

A new species,new combinations,and a new name in Acanthaceae from northern South America

A new species of Acanthaceae (Ruellia saülensis) is described and illustrated from French Guiana, and three new combinations (Justicia potarensis, J. flaviflora, andJ. tobagensis) and one new name (Justicia coppenamensis) are proposed. The new species is compared to its closest relative (Ruellia rubra), and a justification of the transfers is provided.     

爵床属植物的化学成分和药理活性研究进展

本文系统地综述了国内外对爵床属植物化学成分和药理活性的研究进展,以期为爵床属植物的深入研究与开发利用提供参考。     

New species of Justicia (Acanthaceae) from the Planalto of Brazil

Two new species,Justicia clivalis andJ. irwinii, are described, illustrated, and compared with their closest relatives.     

Enzyme etching treatment as an aid in the study of seed surface sculpture in Justicia and Rue Ilia (Acanthaceae)

LESTER, R. N. & EZCURRA, C, 1991. Enzyme etching treatment as an aid in the study of seed surface sculpture in Justicia and Ruellia (Acanthaceae). Enzyme etching treatment of seeds of Justicia was tested before scanning electron microscope examination. On all species tested the treatment removed the outer periclinal walls of the epidermal cells of the seeds, revealing the shape and morphology of the anticlinal walls. This treatment provides additional characters of the structure of the testa that may be useful in assessing relationships between species in this large and complex genus, but it proved useless in Ruellia. Here the seeds produce a coat of mucilage when moistened that completely protects the testa from the action of even extensive enzyme treatment.     

A new species ofJusticia sect.Ansellia (Acanthaceae) from Tanzania

Justicia brevipedunculata, a new species ofJ. sect.Ansellia endemic to Tanzania, is described and illustrated. Detailed palynological information is given, and relationships to other species of the section are discussed.     

Chemicals isolated from Justicia adhatoda Linn reduce fitness of the mosquito,Aedes aegypti L

Extracts from Justicia adhatoda L. (Acanthaceae) strongly reduced the fitness of the mosquito, Aedes aegypti Linn. The methanolic extracts inhibited several enzymes responsible for protecting insects from oxidative and other damage, including glutathione‐S‐transferase, superoxide dismutase, cytochrome P450, and α‐ and β‐esterases. They increased repellency (maximum repellency at 100 ppm) in host‐seeking adult females using the “arm‐in cage assay.” Histopathological examination showed the extracts led to serious midgut cell damage. Justicia adhatoda extracts led to reduced fecundity and oviposition of gravid females compared to controls. The extracts led to substantially reduced A. aegypti survival. We infer that the extracts have potential to reduce pathogen transmission by suppressing population growth of A. aegypti, and possibly other mosquito species.     

New species of Justicia (Acanthaceae) from the Guianas

Four new species,Justicia oldemanii, J. mcdowellii, J. wilhelminensis, andJ. prevostiae are described, illustrated, and compared with their closest relatives. A key to species ofJusticia from the Guianas is also provided.     

De plantis toxicariis e mundo novo tropicale commentationes XXXVI.Justicia (Acanthaceae) as a source of an hallucinogenic snuff

The history of use, botanical identification, and known chemical constituents of Justicia pectoralis (Acanthaceae), one of the South American hallucinogens, are reviewed.     

Phylogenetic relationships among Acanthaceae: evidence from noncoding trnL-trnF chloroplast DNA sequences

We used sequence data from the intron and spacer of the trnL-trnF chloroplast region to study phylogenetic relationships among Acanthaceae. This region is more variable than other chloroplast loci that have been sequenced for members of Acanthaceae (rbcL and ndhF), is more prone to length mutations, and is less homoplasious than these genes. Our results indicate that this region is likely to be useful in addressing phylogenetic questions among but not within genera in these and related plants. In terms of phylogenetic relationships, Elytraria (representing Nelsonioideae) is more distantly related to Acanthaceae sensu stricto (s.s.) than Thunbergia and Mendoncia. These last two genera are strongly supported as sister taxa. Molecular evidence does not support monophyly of Acanthaceae s.s., although there is strong morphological evidence for this relationship. There is strong support for monophyly of four major lineages within Acanthaceae s.s.: the Acanthus, Barleria, Ruellia, and Justicia lineages as here defined. The last three of these comprise a strongly supported monophyletic group, and there is weaker evidence linking the Ruellia and Justicia lineages as closest relatives. Within the Acanthus lineage, our results confirm the existence of monophyletic lineages representing Aphelandreae and Acantheae. Lastly, within the Justicia lineage, we develop initial hypotheses regarding the definition of sublineages; some of these correspond to earlier ideas, whereas others do not. All of these hypotheses need to be tested against more data.     

Two new species in Justicia sect. Harnieria (Acanthaceae) from tropical Africa

Two new species of Justicia sect. Harnieria (Acanthaceae) are described: J. afromontana from Sudan and Uganda, and J. huambensis from Angola.     

New names,combinations and synonyms in <Emphasis Type="Italic">Justicia</Emphasis> and <Emphasis Type="Italic">Stenostephanus</Emphasis> (Acanthaceae)

Summary  Preparation of a catalogue of the plants of Colombia requires 30 new combinations in Stenostephanus Nees and five in Justicia L. to bring nomenclature up to date. Three new names Justicia littoralis J. R. I. Wood, J. albicans J. R. I. Wood and J. magdalenensis J. R. I. Wood are coined for Jacobinia lindaviana Rusby, Chaetothylax leucantha Leonard and Justicia disparifolia J. R. I. Wood respectively. The genus Pelecostemon Leonard is considered to belong to sect. Chaetothylax (Nees) V. A. W. Graham of Justicia L. Several species of Stenostephanus from Colombia and Venezuela are treated as synonyms of earlier species.     

Two new species of Justicia sect. Ansellia (Acanthaceae) from E and NE tropical Africa

The new species Justicia ornatopila from Sudan, Ethiopia, Somalia, Uganda, Kenya and Tanzania, and J. lorata from Kenya are described and illustrated. Information on pollen morphology is also provided