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Mammillaria grusonii
Mammillaria grusonii is a cactus in the genus Mammillaria belonging to the family Cactaceae. The epithet grusonii honors the inventor, scientist, industrialist and cacti collector Hermann Gruson of Magdeburg.
From the article Mammillaria grusonii on Wikipedia (CC BY-SA), quoted section by section
Description
Mammillaria grusonii usually grows singly. This cactus is spherical to thick cylindrical, bright green, with a diameter of about 25 centimetres (9.8 in). The tubercles are four-angled and contain latex. The axillae are initially woolly, later naked. The spines are straight, reddish and becomes white with age. The two central spines are 0.4 to 0.6 centimeters long, while the 12 to 14 radial spines are 0.6 to 0.8 centimeters long. The pale yellow, bell-shaped flowers are up to 2.5 centimeters long and have an equal diameter. The fruits are bright scarlet and contain brown seeds.
Range & habitat
This species can be found in Mexico (in the states of Coahuila and Durango), at an altitude of 800–1,850 metres (2,620–6,070 ft) above sea level.
Wikipedia: “Distribution”
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
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In the stacks
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Every page naming Mammillaria grusonii in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 207256.