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Series Prismaticae (contains just one species from America) Iris prismaticaPursh ex Ker-Gawl. – (Slender Blue Flag) Series Ruthenicae. Iris ruthenica Ker-Gawl. Iris uniflora Pall. Series Sibiricae (Siberian irises) Iris bulleyana Dykes; Iris chrysographes – Black Iris; Iris clarkei Baker; Iris delavayi Micheli; Iris forrestii Dykes
Rare species are generally considered threatened because a small population size is less likely to recover from ecological disasters. Rare plants can be classified based on the size and distribution of their populations. Some species may be rare because they consist of only a few individuals, are confined to a limited geographic area, or both ...
The spikes of certain agaves stretch 30 feet high while the amorphophallus titanium, or corpse flower, emits a stench not unlike rotting meat during its rare blooms.
U.S. Endangered Species List: Flora—plants Species Search at U.S. Fish & Wildlife Service Electronic Code of Federal Regulations: "List of endangered species"
Rare or common, bright or soft, simple or complex, these beautiful flowers from around the world are certainly sights to behold. White Egret Orchid (Habenaria radiata) File this one under: Flowers ...
Humans and their insatiable poaching appetite for the rare flowers are putting Florida’s last remaining species at unprecedented risk, and climate change is only making matters worse, as are sea ...
Lilium mackliniae, the Shirui lily or Shirui Kashong Timrawon, [1] is a rare Indian species of plant found only in the upper reaches of the Shirui hill ranges in the Ukhrul district of Manipur, India, at an elevation of 1,730–2,590 metres (5,680–8,500 ft) above sea level. It is located near the boundary of Myanmar to the east, Shirui ...
The Reds", species Iris fulva and Iris nelsonii, typically have red-orange corollas, with rare yellow forms. [1] Between 1920s and 1930s, Dr. John K. Small extensively studied irises in both Florida and Louisiana and named over 80 new species, including Iris savannarum , Iris kimballiae , Iris albispiritus and Iris rivularis . [ 2 ]