Question

diffirence between avicenna and trapa in biology ​

Answer 1

Periwinkle is the common name for this pretty plant that belongs to the dogbane or Apocynaceae family. ... The common, sun-loving vinca has the genus name catharanthus. Vinca major and vinca minor are shade-loving ground covers, and vinca vine is a trailer with variegated leaves often used in window boxes and containers.

Trapa natans has small, four-petaled flowers that bloom from July to frost. The nut-like fruit has two to four, 0.5 in. (1.3 cm) long, sharp, barbed spines. They ripen in about a month and can remain viable as long as 12 years.