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Cactus - Wikipedia
The 1,500 to 1,800 species of cacti mostly fall into one of two groups of "core cacti": opuntias (subfamily Opuntioideae) and "cactoids" (subfamily Cactoideae). Most members of these two groups are easily recognizable as cacti. They have fleshy succulent stems that are major organs of photosynthesis. They have … 展开
A cactus (pl.: cacti, cactuses, or less commonly, cactus) is a member of the plant family Cactaceae (/kækˈteɪsi.iː, -ˌaɪ/), a family of the order Caryophyllales comprising about 127 genera with some 1,750 known species. … 展开
Naming and classifying cacti has been both difficult and controversial since the first cacti were discovered for science. The difficulties began with 展开
Phylogeny
A 2005 study suggested the genus Pereskia as then circumscribed (Pereskia sensu lato) was basal within the Cactaceae, but confirmed earlier suggestions it was not monophyletic, i.e., did not include all the … 展开Cactus flowers are pollinated by insects, birds and bats. None are known to be wind-pollinated and self-pollination occurs in only a very few species; for example the flowers of some species of Frailea do not open (cleistogamy). The need to attract pollinators 展开
All cacti have some adaptations to promote efficient water use. Most cacti—opuntias and cactoids—specialize in surviving in hot and dry environments (i.e. are xerophytes), … 展开
Cacti inhabit diverse regions, from coastal plains to high mountain areas. With one exception, they are native to the Americas, where their range extends … 展开
CC-BY-SA 许可证中的维基百科文本 Cacti® - The Complete RRDTool-based Graphing …
2024年7月29日 · Cacti includes a fully distributed and fault tolerant data collection framework, advanced template based automation features for Devices, Graphs and Trees, multiple data acquisition methods, the ability to be extended …
Cactus | Description, Distribution, Family, & Facts | Britannica
- cactus, (family Cactaceae), flowering plant family (order Caryophyllales) with nearly 2,000 species and 139 genera. Cacti are native through most of the length of North and South America, from British Columbia and Alberta southward; the southernmost limit of their range extends far into Chile and Argentina. Mexico has the greatest number and variet...
- 发布日期: 1999年5月27日
74 Cactus Species: Visual Identification Guide for …
2025年1月3日 · Cacti come in all shapes, sizes, and colors, and some house cacti look stunning when they flower. Lots of different types of cacti also thrive outdoors where the climate is hot and dry. Some cactus species also thrive in …
Cacti - National Wildlife Federation
Learn about cacti, a family of succulent plants with spines and areoles. Find out their description, range, life history, conservation, and fun facts.
CACTUS中文(简体)翻译：剑桥词典 - Cambridge Dictionary
This volcanic mountain is the home of cacti, lizards, and flightless birds that have become extinct everywhere else on earth. The restaurant is painted in colourful shades and decorated with …
9 Types of Cactus and How to Care for Them
2 天之前 · Cacti are among the most fascinating and diverse succulent plants, offering various shapes, sizes, and vibrant colors. From the saguaro cactus with its sharp spines to the small species, there is a cactus for every garden. Some …
Cacti / Desert Succulents - U.S. National Park Service
1 天前 · Cacti can be found in almost every state in the United States and southern Canadian provinces, with the exception of a few hardy species of opuntia and escobaria. They have …
10 Best Types of Cactus Plants to Grow Indoors - Better …
6 天之前 · The following varieties of cacti can go a few weeks between waterings, aren't fazed by dry indoor air, and need less sun than most other cacti. These natives of sun-washed deserts still do need lots of light compared to other …
Cactus - New World Encyclopedia
A cactus (plural cacti, cactuses, or cactus) is any member of the flowering plant family Cactaceae, native to North and South America and typically characterized by leaves that are reduced in size or ephemeral, enlarged plant stems, and …
