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- Title
Anatomical studies on Sinofranchetia chinensis (Lardizabalaceae) and their systematic significance.
- Authors
Xiao-Hui Zhang; Yi Ren; Xian-Hua Tian; Li-Zhu Pan
- Abstract
The anatomical structures of the Chinese endemic and monotypic genus Sinofranchetia (Lardizabalaceae) are described. There are reticulate, simple-reticulate, scalariform, simple-scalariform and simple perforations in vessel elements as well as in the fibres in the secondary wood of the roots and the stems. The node is trilacunar. The vascular bundles in the petiole are arranged in a ring. Clustered crystals occur in the parenchymatous cells of stems, petioles and pedicles. Leaf stomata are actinocytic. The nodes of sepals, petals and stamens both in male and female flowers are unilacunar and one-traced. There are three sterile carpels with two to three traces in the male flowers, three fertile carpels with two to three traces, and sometimes three sterile carpels lacking a vascular supply. In morphology, the anther dehiscence mechanism and pollen in the female flowers are the same as in the male flowers, such that the so-called female flowers might be bisexual in morphology. In comparing morphology, the sex of the flowers and the perforations of the vessel elements in Sinofranchetia with Decaisnea and other genera of the Lardizabalaceae, Sinofranchetia is considered a basic group at least as the same evolutionary level in the family as Decaisnea. © 2005 The Linnean Society of London, Botanical Journal of the Linnean Society, 2005, 149, 271–281.
- Subjects
PLANT anatomy; FLOWERS; PLANT morphology; FLORAL morphology; STOMATA
- Publication
Botanical Journal of the Linnean Society, 2005, Vol 149, Issue 3, p271
- ISSN
0024-4074
- Publication type
Article
- DOI
10.1111/j.1095-8339.2005.00453.x