# Cactus (*Cactaceae*) Cacti are special plants that store water in their thick stems to survive in hot, dry deserts. They come in many shapes and sizes, some tall like trees and others small like rocks. - **Category:** [Plants](https://www.snappit.app/explore/categories/plant) - **Rarity:** Common - **Danger:** 2/5 · Low - **Habitat:** Desert ![Cactus](https://inaturalist-open-data.s3.amazonaws.com/photos/2990107/medium.jpg) Photo: Drepanostoma, CC BY 4.0 · [iNaturalist](https://www.inaturalist.org/photos/2990107) ## Appearance The Cactus has thick, fleshy stems that store water, often covered in sharp spines instead of traditional leaves. Its diverse forms include tall columns, flat pads, and globular shapes, frequently adorned with vibrant, striking flowers. ## Taxonomy - **Kingdom:** Plantae - **Phylum:** Tracheophyta - **Class:** Magnoliopsida - **Order:** Caryophyllales - **Family:** Cactaceae ## Interesting facts - Cacti insides are like sponges, storing water to survive super dry deserts! - Delicious dragon fruit and prickly pear come from kinds of cacti! - Saguaro cacti can grow taller than a school bus and live over 150 years! - Some cacti bloom giant flowers at night, inviting bats to pollinate them! ## Special abilities - **Desert Reservoir:** Cactus has thick, succulent stems that store lots of water, helping it survive long droughts in dry desert environments. - **Spine Protector:** Cactus has sharp spines instead of leaves, helping it defend against hungry animals and reduce water evaporation. - **Night Breather:** Cactus can open tiny pores (stomata) only at night, helping it absorb CO2 and conserve water during hot days. ## Measurements & details - **Height:** 5-1500 cm - **Spread:** 5-500 cm - **Flower Size:** 1-30 cm - **Bloom Season:** Variable, often Spring to Summer - **Edible:** Yes - **Toxicity:** Mild - **Lifecycle:** Perennial - **Pollination Method:** Insect, Bird, Bat ## Ecological connections - **Eats:** [Mule Deer](https://www.snappit.app/explore/mule-deer) (*Odocoileus hemionus*) — Grazes on the pads and fruits of prickly pear cacti. - **Pollinates:** Lesser Long-Nosed Bat (*Leptonycteris yerbabuenae*) — Visits night-blooming cactus flowers for sweet nectar. - **Eats:** [Arizona Gray Squirrel](https://www.snappit.app/explore/arizona-gray-squirrel) (*Sciurus arizonensis*) — Feeds on cactus fruits and seeds when available. - **Shelter:** [Cactus Wren](https://www.snappit.app/explore/cactus-wren) (*Campylorhynchus brunneicapillus*) — Builds its nests deep within protective cactus spines. ## Traits - [Evergreen](https://www.snappit.app/explore/traits/evergreen): Evergreen plants retain their foliage throughout the year, never shedding all their leaves at once. - [Medicinal](https://www.snappit.app/explore/traits/medicinal): Medicinal plants possess chemical compounds that can be used for therapeutic purposes to treat illnesses or maintain health. - [Thorny Stem](https://www.snappit.app/explore/traits/thorny-stem): Pertaining to plants that have stems covered with sharp, pointed projections for defense. - [Drought Tolerant](https://www.snappit.app/explore/traits/drought-tolerant): Drought-tolerant plants can survive and flourish in conditions with limited water availability. - [Succulent](https://www.snappit.app/explore/traits/succulent): Succulent plants have thickened, fleshy parts, usually leaves or stems, adapted to store water in arid climates. - [Edible](https://www.snappit.app/explore/traits/edible): Edible plants are those parts of a plant that are considered safe for human consumption. - [Symbiotic](https://www.snappit.app/explore/traits/symbiotic): Describes a relationship between two different species where they live in close association, often benefiting one or both. - [Desert](https://www.snappit.app/explore/traits/desert): Desert habitats are arid regions characterized by extremely low precipitation and often extreme temperatures, supporting specialized flora and fauna. - [Longevous](https://www.snappit.app/explore/traits/longevous): This trait characterizes organisms with an exceptionally long lifespan compared to others of their kind. - [Spiky/Thorny](https://www.snappit.app/explore/traits/spiky-thorny): Possessing sharp, pointed projections or spines on the body or surface. ## Collections - [Plants](https://www.snappit.app/explore/collections/plants) - [Succulents](https://www.snappit.app/explore/collections/succulents) ## Safety **Danger:** 2/5 · Low Be careful around cacti as their spines can be sharp and prickly. Look but don't touch! ## Frequently Asked Questions ### How to identify Cactus? Compare leaf arrangement, rosette shape, ribs, spines and flowers. Keep in mind that drought and strong sun can shift a plant's color and shape. Succulent Identifier: upload a photo and compare the visible details. ### How tall is Cactus? 5-1500 cm ### How wide does Cactus spread? 5-500 cm ### How big are the flowers on Cactus? 1-30 cm ### When does Cactus bloom? Variable, often Spring to Summer ### Is Cactus edible? Yes ### Is Cactus toxic? Mild ### What is Cactus's lifecycle? Perennial ## Where to spot - [Living Desert Zoo and Gardens](https://www.snappit.app/guides/places/living-desert-zoo-and-gardens) — California, US · Zoo - [Rio Grande Botanic Garden](https://www.snappit.app/guides/places/rio-grande-botanic-garden) — New Mexico, US · Zoo - [Schaugarten am Tiefwarensee](https://www.snappit.app/guides/places/de-0397-schaugarten-am-tiefwarensee-waren-muritz) — Mecklenburg-Vorpommern, DE · Park [View all places to see Cactus](https://www.snappit.app/guides/where-to-see/cactus) ## More Plants - [white snakeroot](https://www.snappit.app/explore/white-snakeroot) (*Ageratina altissima*) - [tree-of-heaven](https://www.snappit.app/explore/tree-of-heaven) (*Ailanthus altissima*) - [western sword fern](https://www.snappit.app/explore/western-sword-fern) (*Polystichum munitum*) - [common milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*) --- Source: [Cactus: Characteristics, Facts & Places to See — Snappit](https://www.snappit.app/explore/cactus)