Opuntia Species A
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Some reports state that Theophrastus (some versions say Pliny) originally described a spiny plant (probably a Euphorbia species) from the Opuntian Locris area of Greece. In time the plant became known by European herbalists as Opuntium. Later, naturalists borrowed the word to describe the New World group of spiny plants that we know as Opuntia.
Why do we think we know we got the IDs right? In addition to extensive field studies, we consulted herbarium specimens, old black and white photographs, and original citations. We studied cacti in habitat through various seasons, noting when they flowered, what types of soils they grew in, and what their fruits were like, etc.
New studies will provide new information, and we’ll keep learning and updating our site as new species are described. For sure, the results of chromosome studies and DNA comparisons will teach us much.
...glochids are forever