Tag Archives: Achene
Unlike simple fruits, which develop from a single ovary in a flower, an etaerio develops from multiple ovaries (sometimes called fruitlets) in a single flower arranged over the surface of or within the flower’s receptacle. An etaerio is also called an aggregate fruit. Continue reading
In some plants, the pericarp of an achene extends into a papery, wing-like tissue longer than the seed. This fruit is called a samara. The wings enable the wind to carry the seeds farther from the mother plant than wingless seeds.
Many gardeners were taught the short rhyme, “Sedges have edges, rushes are round, and grasses are hollow, straight to the ground,” as a short-hand way of distinguishing between the three somewhat similar plant types. Continue reading
When you hear the word achene, you may think of the seeds of sunflowers. Although many botanical works still refer to the fruits of Asteraceae (commonly called the aster, composite, daisy, or sunflower family) as achenes, some botanists consider them to be cypselae. Continue reading