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Thelocactus rinconensis ssp. freudenbergeri,
Grutas de Garcia, Nuevo Leon
A
remarkable
subspecies that differs from the type for the presence of acicular
radial spines and the beautiful magenta flowers. |
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Cultivation: It is a
summer grower species easy to cultivate. Water regularly from Spring
to Autumn, but do not overwater, can become too elongated if compost
is too rich. Requires full sun or light shade and careful watering
to keep plant compact with strong coloured spines. Needs good
drainage and very porous potting mix, In Winter, keep dry.
Reproduction: Nearly always from seed, since
the plant rarely produces plantlets
Photo of conspecific taxa,
varieties, forms and cultivars of
Thelocactus rinconensis:
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Family:
Cactaceae (Cactus
Family) |
Origin: Mexico, Nuevo León, known
only from the type locality near Grutas de Garcia,
Habitat: Matorral xerofilo on limestone hills.
Thelocactus rinconensis ssp. freudenbergeri, (Haas) Mosco &
Zanovello,
Published in: CCI 7: 18 (1999).
Basionym: Thelocactus rinconensis var. freudenbergeri
Haas, Kakt. and. Sukk. 43: 97 (1992).
Holotype: Freudenberger s. n. in Coll. Haas Nr. 157 (ZSS).
Scientific Name: Thelocactus rinconensis (Poselg.) Britton &
Rose
Synonims:
- Thelocactus lophothele var. nidulans
- Echinocactus nidulans
- Thelocactus rinconensis var. phymatothelos
- Echinocactus phymatothelos
- Thelocactus rinconensis var. nidulans
- Thelocactus rinconensis ssp. phymatothelos
- Thelocactus nidulans,
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Thelocactus phymatothelos
- Thelocactus multicephalus
- Thelocactus lophothele
- Echinocactus lophothele
- Thelocactus rinconensis ssp. freudenbergeri
- Thelocactus rinconensis var. freudenbergeri
- Echinocactus rinconensis
- Thelocactus rinconensis ssp. multicephalus
- Thelocactus rinconensis ssp. nidulans
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Description: Usually solitary, develops a
squat depressed to globose and highly ribbed stem with flattened
top up to 8 cm tall, 15 cm wide.
Ribs: 21, distinct.
Tubercles: conical.
Areoles: without glands.
Central spines: 3-4, 40-100 mm long, ochre to greyish, straight
or slightly curved, acicular.
Radial spines: 4-6, 15-40 mm long, ochre to greyish, straight,
acicular.
Flowers: Flowers: 50-60 mm wide, magenta, usually fail to flower
until they are 5-9 years old.
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