The Malvales are an order o flouerin plants. As circumscribed bi APG II-seestem, the order includes aboot 6000 species within 9 families. The order is placed in the eurosids II, which are pairt o the eudicots.
The plants are maistly shrubs an trees; maist o its faimilies hae a cosmopolitan distribution in the tropics an subtropics, wi leemitit expansion intae temperate regions. An interestin distribution occurs in Madagascar, whaur three endemic faimilies o Malvales (Sphaerosepalaceae, Sarcolaenaceae an Diegodendraceae) occur.
Mony species o Malvaceae sensu lato are kent for their wid, wi that o Ochroma (balsa) bein kent for its lichtness, an that o Tilia (lime, linden, or basswid) as a popular wid for carvin. Fruit o the cacao tree (Theobroma cacao) are uised as an ingredient for chocolate. Kola nuts (genus Cola) are notable for thair heich content o caffeine, an in past wur commonly uised for preparin o various cola drynks. Ither well-kent members o Malvales in the APG II sense are daphnes, hibiscus, hollyhocks, okra, baobab trees, cotton, an kapok.
The morphology o Malvales is diverse, wi few common characteristics. Amang those maist commonly encountered are palmate leaves, connate sepals, an a specific structur an chemical composeetion o the seeds. The cortex is eften fibrous, built o saft phloem layers.
References[eedit | eedit soorce]
- Nickrent, Daniel L. "Cytinaceae are sister to Muntingiaceae (Malvales)", Taxon 56 (4): 1129-1135 (2007) (abstract)