Discocactus araneispinus

Discocactus araneispinus

 

Discocactus

국표에는 없다.

Discocactus araneispinus

국표에 없는 학명이다.

 

Discocactus is a genus of tropical cacti. The name comes from the ancient Greek diskos (=disc) because of its shape. Discocactus plants are endemic to southern Brazil, eastern Bolivia, and northern Paraguay. These species are in the risk of extinction in the wild.

The plants have a slightly flattened spherical shape. The areoles bear sharp spines. At the apex of the adult plants, there is a wooly cephalium, white or shaded with yellow or grey. The white nocturnal flowers appear on the sides of the cephalium. The fruits are pink or red and contain black seeds.

 

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  Discocactus horstii

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  Discocactus zehntneri

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  Discocactus placentiformis

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  Discocactus araneispinus

https://en.wikipedia.org/wiki/Discocactus

Discocactus zehntneri로 보인다.

 

그러나

 

Description: Discocactus zehntneri is a squat tiny little solitary plant. Two subspecies are recognized, the typical form and subsp. boomianus (Buining & Brederoo) N.P.Taylor & Zappi. Both subspecies - in culture - produce many offsets.
Stem: Dull-green 10-20 in diameter and 7-10 cm tall.
Cephalium: Up to 1 cm tall and -4 cm wide, at the apex of the plant, creamy-withe to light-brown with yellow to brownish bristles up to 2 cm..
Ribs: About 20, somewhat spiraled, forming nipple-like tubercles to 1 cm high.
Areoles: Oval, sunken, ca. 8 per ribs.
Radial spines: Interlacing, densely covering the plant, 10 to15 up to 1-2 cm long, pectinate, flexible spines creamy white or whitish-yellow with dark tips, becoming pale-brown to whitish, recurved backwards, sitting on the plant like spiders.
Central spines: None.
Flowers: White, scented, slender funnelform, 2 to 9 cm long. The position of the stigma is at the top of the stamens. Each flowering lasts only one night, but that night it produces many flowers.

http://www.llifle.com/Encyclopedia/CACTI/Family/Cactaceae/12925/Discocactus_zehntneri

 

Discocactus araneispinus
(Syn: Discocactus zehntneri)

Description: D. araneispinus (also considered just a form of D. zehntneri) is a squat tiny little solitary plant that - in culture - produces just like D. boomianus many offsets.
Stem: Dull-green 10-20 in diameter and 7-10 cm tall.
Cephalium: Up to 1 cm tall and -4 cm wide, at the apex of the plant, creamy-withe to light-brown with yellow to brownish bristles up to 2 cm..
Ribs: About 20, somewhat spiraled, forming nipple-like tubercles to 1 cm high.
Areoles: Oval, sunken, ca. 8 per ribs.
Radial spines: Interlacing, densely covering the plant, 10 to15 up to 1-2 cm long, pectinate, flexible spines creamy white or whitish-yellow with dark tips, becoming pale-brown to whitish, recurved backwards, sitting on the plant like spiders.
Central spines: None.

http://www.cactus-art.biz/schede/DISCOCACTUS/Discocactus_araneispinus/Discocactus_araneispinus/Discocactus_araneispinus.htm

 

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Discocactus araneispinus

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