The Lewis B. and Dorothy Cullman Program for Molecular Systematics Studies, The New York Botanical Garden, Bronx, New York 10458-5126 USA;
Am J Bot. 2001 Oct;88(10):1847-62.
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 several clades mostly representing genera from a paraphyletic subfamily Byrsonimoideae. Intergeneric relationships among these byrsonimoid malpighs are well supported by the bootstrap, and the tribe Galphimeae is monophyletic. There is also a well-supported clade of genera corresponding to tribes Banisterieae plus Gaudichaudieae present in all trees, and many of the relationships among these banisterioid malpighs are well supported by the bootstrap. However, tribes Hiraeae and Tricomarieae (the hiraeoid malpighs) are paraphyletic and largely unresolved. Species of Mascagnia are distributed throughout these hiraeoid clades, confirming the suspected polyphyly of this large genus. Optimization of selected morphological characters on these trees demonstrates clear phylogenetic trends such as the evolution of globally symmetrical from radially symmetrical pollen, increased modification and sterilization of stamens, and switch from base chromosome number n = 6 to n = 10.
基于质体基因 rbcL 和 matK 的核苷酸序列的系统发育分析被用来研究卫矛科内属间的关系。从独立的家族数据集生成的分支关系与从组合数据集生成的分支关系基本一致。卫矛科的基础是几个分支，主要代表来自一个并系亚科(Byrsonimoideae)的属。这些 byrsonimoid 卫矛属之间的属间关系得到了bootstrap 的有力支持，Galphimeae 族是单系的。在所有的树中都存在一个支持良好的分支，代表了 Banisterieae 加上 Gaudichaudieae 族，这些 banisterioid 卫矛属之间的许多关系也得到了bootstrap 的有力支持。然而，Hiraeae 和 Tricomarieae 族（hiraeoid 卫矛属）是并系的，并且在很大程度上没有得到解决。Mascagnia 的物种分布在这些 hiraeoid 分支中，证实了这个大属的可疑多系性。对这些树上的选定形态特征进行优化表明了明显的进化趋势，例如从辐射对称花粉到全球对称花粉的进化，雄蕊的修饰和不育程度增加，以及从基数染色体数 n = 6 到 n = 10 的转变。
