from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun botany a name used in the APG (1998), APG II (2003), and APG III (2009) systems for one of the principal
cladesaccepted in the system.
from Wiktionary, Creative Commons Attribution/Share-Alike License
The genome is the first from the group of flowering plants known as asterids, which make up about 25% of plant species worldwide.
The remarkable circumstance takes place here that the surface water in consequence of its limited salinity freezes to ice if it be exposed to the temperature which prevails in the salt stratum of water next the bottom, and that it forms a deadly poison for many of the decapoda, worms, mussels, crustacea and asterids which crawl in myriads among the beds of clay or sand at the bottom.
The yield of the trawling was extraordinarily abundant; large asterids, crinoids, sponges, holothuria, a gigantic sea-spider (Pycnogonid), masses of worms, crustacea, &c.
Along the east coast of Novaya Zemlya and Vaygats Island there runs a channel, up to 500 metres in depth, filled with cold salt-water, which forms the haunt of a fauna rich not only in individuals, but also in a large number of remarkable and rare types, as Umbellula, Elpidia, Alecto, asterids of many kinds, &c.
Animal life at the sea-bottom was very abundant, among other things in large asterids and ophiurids.
Svjatoinos, and in addition some beautiful asterids and a multitude of very large beaker sponges.
The hempen tangles were used, and brought up a very abundant yield of large, beautiful animal forms, a large number of asterids, Astrophyton, Antedon, &c.