Biology:Thelocactus nidulans

Short description: Species of cactus

Thelocactus nidulans
Thelocactus nidulans at the botanical garden of Villa Durazzo-Pallavicini, Genova Pegli
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Core eudicots
Order:	Caryophyllales
Family:	Cactaceae
Subfamily:	Cactoideae
Genus:	Thelocactus
Species:	T. nidulans
Binomial name
Thelocactus nidulans (Quehl) Britton & Rose
Synonyms
Echinocactus nidulans Quehl

Thelocactus nidulans is a cactus in the genus Thelocactus of the family Cactaceae.

Description

Thelocactus nidulans is globe-shaped solitary cactus about 15 cm high and about 20 cm in diameter. The ribs are rather low and marked with raised, angulartubercles. There can be from 20 to 25 ribs. The central spines are usually black-brown, mostly coarser, number up to six and stand vertically out from the plant, while radial/radiating spines are often needle-like, spread out and can be from 1.3 – 1.5 cm long. Flowers grow from the new areoles at the very top of the plant. They are funnel-shaped about 4 cm long, have a diameter of 2.5 – 7.5 cm and their colours is yellow or whitish. They are diurnal.

Distribution

This species is native to Mexico (Coahuila de Zaragoza, Nuevo León).

References

• Nathaniel Lord Britton, Joseph Nelson Rose The Cactaceae: Descriptions and Illustrations of Plants of the Cactus family, Volume 3
• Zipcodezoo
• Biologie.uni
• Tropicos.org
• T. nidulans photo

Wikidata ☰ Q7781099 entry