Donate now to support the LLIFLE projects.
Your support is critical to our success.
Cephalomamillaria micromeris var. greggii cv. Gray Herb. CardCat., Issue 114 (Engelm.) Frič
Ceskoslov. Zahradn. Listy 1924: 120. as Cephalomamillarie
Family: CACTACEAE

Accepted Scientific Name: Epithelantha micromeris subs. greggii (Engelm.) N.P.Taylor
Cactaceae Consensus Init. 5: 12. 1998

Cephalomamillaria micromeris var. greggii cv. Gray Herb. CardCat., Issue 114 (Epithelantha micromeris subs. greggii) Photo by: Valentino Vallicelli
SB321 (Collector: Steven Brack) Cuesta la Muralla, Coahuila, Mexico (A form with black tipped spines)

Synonyms:

back
Accepted name in llifle Database:
Epithelantha micromeris (Engelm.) F.A.C.Weber in Bois
Dict. Hort. [Bois] 2: 804. 1898 Britton & Rose, Cactaceae, 3: 93, fig. 102. 1922
Synonymy: 16 Accepted name in llifle Database:
Epithelantha micromeris var. dickisoniae hort.
Synonymy: 3 Accepted name in llifle Database:
Epithelantha micromeris subs. greggii (Engelm.) N.P.Taylor
Cactaceae Consensus Init. 5: 12. 1998
Synonymy: 12 Accepted name in llifle Database:
Epithelantha micromeris subs. greggii f. cristata
Synonymy: 2 Accepted name in llifle Database:
Epithelantha micromeris subs. pachyrhiza (W.T.Marshall) N.P.Taylor
Cactaceae Consensus Init. 5: 13. 1998
Synonymy: 6 Accepted name in llifle Database:
Epithelantha micromeris subs. pachyrhiza f. cristata

Accepted name in llifle Database:
Epithelantha micromeris subs. polycephala (Backeb.) Glass
Guía Identif. Cact. Amenazadas México 1: Ep/mi ssp. polycephala (1998 publ. 1997)
Synonymy: 4 Accepted name in llifle Database:
Epithelantha micromeris subs. unguispina (Boed.) N.P.Taylor
Cactaceae Consensus Init. . 5: 12. 1998
Synonymy: 6
back

Common Names include:
ENGLISH: Button Cactus
SPANISH (Español): Mulatto (Mexico), Tapone (Mexico)

Subspecies, varieties, forms and cultivars of plants belonging to the Epithelantha micromeris group

  • Epithelantha micromeris (Engelm.) F.A.C.Weber in Bois: Miniature globose cactus, unbranched or in small clumps. Produces small pink flowers followed by attractive red fruits . Spines are white or greysh, innocuous and appressed on sides of stems.
  • Epithelantha micromeris f. cristata hort.: This is a miniature cactus that makes a nice and tangled cluster of fine crests. The stem surface is completely obscured by small pectinated ashy-grey to white spines.
  • Epithelantha micromeris var. dickisoniae hort.: Minute clustering cactus of doubtful status (but common in cultivation), it shows similarities with Epithelantha micromeris subsp. polycephala and Epithelantha pachyrhiza. Spines are whitish turning to a brownish tinge in adult plant's crown. Roots: Tuberose.
  • Epithelantha micromeris f. elongata (Backeb.) Bravo: It has elongated stems and a thick tap-root. It is intermediate between E. micromeris and E. pachyrhiza. Distribution: Ramos Arispe, Coahuila, Mexico.
  • Epithelantha micromeris subs. greggii (Engelm.) N.P.Taylor: This subspecies has a rough, somewhat bristly appearance with iIndividual stems up to 5 cm or more in diameter,. Spines are chalky white to reddish brown. Distribution: Northern Mexico, especially Saltillo, Coahuila.
  • Epithelantha micromeris subs. greggii f. cristata: crested form.
  • Epithelantha micromeris var. neomexicana n.n.: This is the population found in New Mexico (USA) but this taxon is not easily recognizable from other Epitelantha micromeris (if not the same identical plant)
  • Epithelantha micromeris subs. pachyrhiza (W.T.Marshall) N.P.Taylor: It has tuberousroots and a stem only partly obscured by the white to orange-tan spines; Distribution: Strictly endemic of southeast and northeast of Saltillo.
  • Epithelantha micromeris subs. pachyrhiza f. cristata
  • Epithelantha micromeris subs. polycephala (Backeb.) Glass: Clustering miniature cactus; an old plant may have more than 100 heads, and be 10 cm of diameter. Spines are grey/whitish, pastel or ocre. Distribution: it occurs in a limited area of Coahuila.
  • Epithelantha micromeris var. rufispina (Bravo) Backeb.: Minute globular cactus, becoming somewhat elongated when old. the spines are numerose up to 40 whitish all radials, turning to a grey-reddish or brownish tinge in adult plants crown. The spine base is reddish.
  • Epithelantha micromeris var. texensis n.n.: This is the population found in Texas (USA) but this taxon is not easily recognizable from other Epitelantha micromeris (if not the same identical plant)
  • Epithelantha micromeris var. texensis f. cristata hort.: Crested form.
  • Epithelantha micromeris subs. unguispina (Boed.) N.P.Taylor: It is a little larger than the standard form. Stem globular, up to 6 cm, often clumping over time. It generally has a small projecting black-tipped central spine, 4-5mm long. Origin: Near Monterrey, Nuevo Leon, south into San Luis Potosi.

17209 valentino Valentino Vallicelli
Cephalomamillaria micromeris var. greggii cv. Gray Herb. CardCat., Issue 114 (Epithelantha micromeris subs. greggii) Photo by: Valentino Vallicelli
24243 agocs Agócs György
Clustering habit. Mexico. (Epithelantha micromeris subs. greggii) Photo by: Agócs György

13638 cactus-art Cactus Art
SB1624 Collector: Steven Brack) Locality: Santa Theresa, Coahuila, Mexico (Epithelantha micromeris subs. greggii) Photo by: Cactus Art
18263 valentino Valentino Vallicelli
Cephalomamillaria micromeris var. greggii cv. Gray Herb. CardCat., Issue 114 (Epithelantha micromeris subs. greggii) Photo by: Valentino Vallicelli

17980 valentino Valentino Vallicelli
Cephalomamillaria micromeris var. greggii cv. Gray Herb. CardCat., Issue 114 (Epithelantha micromeris subs. greggii) Photo by: Valentino Vallicelli
17211 valentino Valentino Vallicelli
Cephalomamillaria micromeris var. greggii cv. Gray Herb. CardCat., Issue 114 (Epithelantha micromeris subs. greggii) Photo by: Valentino Vallicelli

13639 cactus-art Cactus Art
Cephalomamillaria micromeris var. greggii cv. Gray Herb. CardCat., Issue 114 (Epithelantha micromeris subs. greggii) Photo by: Cactus Art
Send a photo of this plant.

The gallery now contains thousands of pictures, however it is possible to do even more. We are, of course, seeking photos of species not yet shown in the gallery but not only that, we are also looking for better pictures than those already present. Read More...


Your Actions
Cephalomamillaria Back to Cephalomamillaria index
Cactaceae Back to Cactaceae index
Cacti Back to Cacti Encyclopedia index