Aylostera heliosa subs. theresae
mut., (SuccSeed 1997, Hillmann 2008, colls. RH, KAS, TB,)
Family
Cactaceae
Genus
Species
Aylostera heliosa subs. theresae
Author
hort.
Chinese genus
-
Chinese name
-
Accepted
DescriptionEdit description
Habit
It is essentially a miniature plant simple at first, that readily forms a clustering mound of tiny heads.
Seeds
Hemispheric to helmet-shaped. black, papillate.
Phenology
It flowers profusely in spring.
Roots
Fleshy tap root.
Flowers
Large, funnel-shaped, long-necked, 4 cm in diameter, 4,5-5,5 cm long, orange-red. Tube up to 3 cm long 2-3 mm across, solid for more than half its length, red-orange with a pinkish or lilac blush to the outer tepals.
Spines
24-26 all radials, about 5 mm long, distinctively silvery-white, dense, spreading and somewhat pectinate, covering almost completely the small stems in a spiral pattern.
Stem
Heads compressed spherical to shortly cylindrical 2,5 cm wide, rarely higher than 3 cm or more.
Fruits
4 mm in diameter, deep crimson to purple.
Areoles
Small, brown and elongated 1-2 mm long, forming 35-40 spirals.