Description of T. (mandragora ssp.) beguinii ssp. hintoniorum

Habitat photo

Photo © George S. Hinton

Hofer, Succulentes 23(3):21-23, 2000

Translated from the German
Plant: solitary, rarely growing together in small groups, hemispherical, sunken during the rest period, to 50 mm Ø, to 30 mm above ground. Underground part 30 mm long, merging into a conical 50-70 mm long tuberous root, numerous fibrous roots, especially at the end of the tuberous root. Epidermis dark green, during the rest period almost completely concealed by the spines. Body completely divided into tubercles. Tubercles: round with rhombic outline, 5 mm high, diameter at the base 12 mm. Areoles: siting on the tubercles, round, 3 mm Ø, bare.

Spines: needle-like. Radial spines 9 (-10) white, often with dark brown, almost black tip, upper 16 (-20) mm long, lower 8 (-10) mm long. Central spines 2, white with black tip, one porrect, 15-20 mm long, second directed upwards, slightly towards the body, to 30 mm long.

Flowers: numerous (up to 6) appearing from the apical wool, funnel-shaped, 25 mm Ø, petals 33 mm long, lanceolate, pointed, pale greenish yellow, mid-stripe 2-3 mm wide, inside pale purple to pale pink or almost missing, outside brownish purple. Filaments pale greenish cream, pollen dark yellow, pistil pale greenish white, stigma lobes 6, pale greenish white.

Fruit: Bare, light green, barrel-shaped, 8 mm long, 4 mm Ø.

Seeds: black, 1,5 x 1,1 mm large.

Locality: southern Nuevo Leon, Mexico.

Related taxa

Turbinicarpus (mandragora ssp.) beguinii ssp. hintoniorum is part of the mandragora aggregate of taxa, together with the following:

References

Succulentes 23(3):21-23, 2000
Anton Hofer - personal communication.

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