Rosids Flashcards
What group is sister to Rosids?
Saxifragales
What two main groups are Rosids divided into?
Fabids
Malvids
Which Rosid group does not fall within the Eurosids?
Vitales
Eurosids are Malvids and Fabids
When Rosids and Saxifragales are grouped together, what is the clade known as?
Superrosids
Give some clades within the Fabids.
Zygophyllales Celastrales Oxalidales Malpighiales Cucurbitales Fagales Fabales Rosales
Give some clades within the Malvids.
Geraniales Myrtales Crossosomatales Picramniales Sapindales Huerteales Malvales Brassicales
What features define Rosids?
Perianth usually differentiated or absent Petals usually free, if present Two or more whorls of stamens Well-developed stipules Anthers versatile Embryo large
Describe the features of Rosaceae.
Leaves - alternate, toothed, often compound, stipulate
Flowers - valvate calyx, epicalyx often present
Petals - free, often clawed
Hypanthium present
Cyanogenesis common
What is the floral formula of Rosaceae?
So, (K5, C5, A10-n), Gs(1-n); achene, drupe, follicle, pome
What fruits can Rosaceae produce?
Achene, drupe, drupelet, pome
What 3 classes of Rosaceae are native to the UK?
Rosoideae
Amygdaloideae
Dryoideae
What genera of Rosoideae are native to the UK?
-Herbaceous Agrimonia Filipendula Geum Potentilla Alchemillae Fragariae Poterium Sanguisorba -Scrambling with prickles Rosa Rubus
What genera of Amygdaloideae are native to the UK?
Prunus Sorbus Crataegus Cotoneaster Malus Pyrus
What genera of Dryoideae are native to the UK?
Dryas
What is the floral formula of Fabaceae?
Sz, K(5), C3+(2), A(10)/(9)+1, Gs1;
legume