Do Horsetails Have Photosynthetic Stems?

An herbaceous perennial relative of ferns, common horsetail consists of two types of stems; sterile, non- reproductive and photosynthetic, and reproductive and non- photosynthetic. What part of horsetail is photosynthetic? Its stems also are jointed, can easily be separated into sections, and have siliceous ridges that make it rough to Read more…

Do Horsetails Have Photosynthetic Leaves?

Description. Horsetails comprise a genus of rushlike, jointed perennial herbs. The leaves of many species do not perform photosynthesis and are reduced to sheaths that encircle and clasp the main stem. Is a horsetail photosynthetic? An herbaceous perennial relative of ferns, common horsetail consists of two types of stems; sterile, Read more…

What Are Strobili In Horsetails?

Strobili form at the uppermost portion of fertile branches and are composed of sporophylls bearing a single sporangium. Dispersed by wind, the small spores germinate into small, free-living disc-shaped gametophytes that produce either archegonia (female reproductive organs) or sperm-producing archegonia. Does horsetail have strobilus? Horsetail plants have a very ancient Read more…

What Are Modern Horses?

The modern horse, Equus caballus, became widespread from central Asia to most of Europe. Local types of horses, all breeds of this single species, undoubtedly developed, and three of these—Przewalski’s horse (E. ferus przewalskii or E. Where do modern horses come from? Scientists found that modern horses come from central Read more…

Are Horsetails Ancient?

Horsetails can be considered living fossils. This group of plants is what is left of a group of plants that were as thick as forests and had relatives as big as trees that flourished during the Devonian period approximately 350 million years ago. What era did horsetails appear? Our familiar Read more…