Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae . The term 'angiosperm' is derived from the Greek words ἀγγεῖον / angeion ('container, vessel') and σπέρμα / sperma ('seed'), meaning that the seeds are enclosed within a fruit. The group was formerly called Magnoliophyta. Angiosperms are by far the most diverse group of lan… 展开
Diversity
• Largest and smallest • Eucalyptus regnans, a tree almost 100 m tall • Wolffia arrhiza, a rootless floating freshwater plant under 2 mm across … 展开
Evolution
The botanical term "angiosperm", from Greek words angeíon (ἀγγεῖον 'bottle, vessel') and spérma (σπέρμα 'seed'), was coined in the form "Angiospermae" by Paul Hermann in 1690, including only flowering plants whose se… 展开
Reproduction
The characteristic feature of angiosperms is the flower. Its function is to ensure fertilization of the ovule and development of fruit containing seeds. It may arise terminally on a shoot or from the axil of a leaf. The flower-bearing p… 展开
1 天前 · The bark of willow trees contains salicylic acid, the active metabolite of aspirin, and has been used for millennia to relieve pain and reduce fever. [1]Medicinal plants, also called …
1 天前 · Arthropods (/ ˈ ɑːr θ r ə p ɒ d / ARTH-rə-pod) [24] are invertebrates in the phylum Arthropoda.They possess an exoskeleton with a cuticle made of chitin, often mineralised with …