Desert Botanical Garden Herbarium
Catalog #: DES00077516
Occurrence ID (GUID): 20aeba7c-242d-4f74-ae7a-42de87831b2c
Taxon: Mammillaria grahamii Engelm.
Family: Cactaceae
Collector: Wendy C. Hodgson   27903   
Date: 2013-02-27
Verbatim Date: 2/27/2013
Additional Collectors: Steve Blackwell, Jan Dunkelberg, Helen Walker
Locality: United States, Arizona, Maricopa, Phoenix, North Mountain/Shaw Butte section of the Phoenix Mountains Preserve. At bottom of switchbacks just off Trail 306 south side of Shaw Butte.
33.589659  -112.084828
Verbatim Coordinates: 12S 399337E 3717187N
Elevation: 439 meters Verbatim Elevation: 1441ft
Habitat: Sonoran Desert scrub, south-facing slope.
Associated Species: Parkinsonia microphylla, Cylindropuntia acanthocarpa, Echinocereus engelmannii, Ferocactus cylindraceus, Ambrosia deltoidea, Larrea tridentata, Encelia farinosa, Amsinckia, Camissonia californica, Cryptantha, Pectocarya, Phacelia crenulata.
Description: Common, plant with 2 fruits, flowers 32(l)x20(w) mm, 30x26 mm, 22x20 mm, 36x26 mm, inner tepal 25x5 mm, narrowly oblanceolate, outer tepals olive green - pink midstripe, margin whitish-pink, inner tepals pink, filaments white, anthers dark yellow, style white, stigma lobes light chartreuse green.
Notes: Central Arizona Conservation Alliance and Plant Atlas Project of Arizona
Specimen Images
Record ID: 20aeba7c-242d-4f74-ae7a-42de87831b2c
For additional information on this specimen, please contact: Andrew Salywon (
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