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Ladyfinger cactus – Mammillaria elongata

Taxonomy

Common Name: Ladyfinger cactus

Botanical Name: Mammillaria elongata DC.

Synonyms: 1, 2
Neomammillaria elongata (DC.) Britton & Rose (1923),
Leptocladodia elongata (DC.) Buxb. (1960),
Leptocladia elongata (DC.) Buxb. (1951),
Krainzia elongata (DC.) Doweld (2000),
Chilita elongata (DC.) Orcutt (1926),
Cactus elongatus (DC.) Kuntze (1891)

Family: Cactaceae (Cactus)

Morphological Characteristics

This small cactus is made of densely clustered, elongated stems, which are covered in overlapping, curved yellow and brown spines and thin, hair-like spines. It tends to form short thickets. They flower in the spring and produce small white-yellow flowers (or sometimes pink) along the stem. They are also often covered in an iconic red, elongated fruit.

Ecology, Distribution, and Use

Conservation Status:  Least Concern3

Conservation Concern:
This species is believed to be abundant in its native distribution, though there is concern it may be decreasing due to its limited distribution and habitat decline due to mining and land conversion.3

Geographical Range:
The ladyfinger cactus is endemic (native) to Mexico, specifically the states of Guanajuato, Hidalgo, and Querétaro, where they tend to grow between 1,300 and 2,300 meters above sea level. 4

Ecoregion: Central Mexican matorral

Ecological Interactions:
Cactus species are vital in desert ecosystems where they help stabilize soil, store water, and provide food and shelter for animals.

Ethnobotanical Use:
This species is an incredibly popular horticultural plant and is beloved by houseplant enthusiasts. It has been awarded the British Royal Horticultural Society’s Award of Garden Merit.5 The fruits are also edible and sometimes referred to as “chilitos”.6

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