Mammillaria echinoidea
Monatsschr. Kakteenk. 23: 42. 1913
Family
Cactaceae
Genus
Species
Mammillaria echinoidea
Author
Quehl
Chinese genus
乳突球属
Chinese name
-
Primary
Accepted
DescriptionEdit description
Description
Coryphantha echinoideaSN|10038]]SN|10204]] is a small solitary cactus with yellow flowers borne near the apex on young areoles.
Note
This cactus produces well marked red nectary glands on the tubercles ("extra"-floral structure secreting nectar) that attract ants.
Flowers
Large and yellow (5- 6 cm diameter) with - like the ones of the related Coryphantha vaupelianaSN|10175]]SN|10175]] and Coryphantha glanduligeraSN|10204]]SN|10038]] - a sweet fragrance. All Coryphanthas develop woolly grooves running down the tubercles as they grow towards maturity and plants will not flourish until this has happened which can take 4 years or more
Spines
20-24 radials, 1 to 3 porrect central spines 1-1.5 cm. in mature specimens;
Stem
Globose, to egg-shaped stems up to 6 cm high and diameter.
Fruits
Green, club-shaped.