Mammillaria heyderi Muehlenpf.
Little Nipple Cactus
Cactaceae (Cactus Family)
USDA Symbol: MAHE2
Solitary, globular cactus, up to 4 inches in diameter with milky sap; stem solitary, noticeably sunken on top, wider than tall; axils initially woolly; flowers mostly cream, forming a circle around stem below the apex. The flowers are cream to salmon colored and the fruits bright red but quite small. Flowering Mar-Aug; fruiting Aug-Mar.
Mammillaria heyderi is a very short cactus that can be difficult to spot in the winter when it is nearly below ground level and may be partially covered in gravel. In the spring and summer, it is usually above surrounding ground and more visible. Mammillaria heyderi is found on dry hillsides in lower to middle elevations. Chihuahuan desert scrub, Tamaulipan thorn scrub, and Edwards Plateau, usually limestone and alluvial substrates. Light shade in summer to full sun. Hardy at least to 10° F.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Size Notes: 4 - 6 inches
Flower: Pink, yellow or cream, with a darker stripe underneath.
Size Class: 0-1 ft.
Bloom InformationBloom Color: White , Pink , Yellow
Bloom Time: Mar , Apr , May , Jun , Jul , Aug
Bloom Notes: Day-flowering
DistributionUSA: AZ , NM , OK , TX
Native Distribution: Southeast Arizona, much of New Mexico, south Texas (along the Rio Grande); also Colorado and Oklahoma.
Native Habitat: Scrubland, grassland, pinyon-juniper foothills.
Growing ConditionsWater Use: Low
Light Requirement: Sun
Soil Moisture: Dry
Drought Tolerance: High
Conditions Comments: minimum temperature 50 F
BenefitUse Medicinal: Pulp is cooked for relief of earache.
Conspicuous Flowers: yes
Deer Resistant: High
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
NPSOT - Fredericksburg Chapter - Fredericksburg, TX
Wildflower Center Seed BankLBJWC-1006 Collected 2007-03-28 in Crockett County by Lady Bird Johnson Wildflower Center
BibliographyBibref 1140 - Cacti (1991) Clive Innes and Charles Glass
Search More Titles in Bibliography
Web ReferenceWebref 15 - The American Southwest (1994) John Crossley
Additional resourcesUSDA: Find Mammillaria heyderi in USDA Plants
FNA: Find Mammillaria heyderi in the Flora of North America (if available)
Google: Search Google for Mammillaria heyderi
MetadataRecord Modified: 2013-07-01
Research By: TWC Staff