Myrtillocactus geometrizans f. cristatus hort.-용신목철화

국표에 없다.

Origin and Habitat: Garden origin (Nursery produced cultivar). The original natural habitat of this species is northern central Mexico down to Oaxaca.

Common Names include:
ENGLISH: Crested Blue Flame, Crested Blue Candle, Dinosaur Back Plant, Crested Blue Myrtle

Description: The standard Myrtillocactus geometrizans is a highly branched columnar candelabra like tree cactus that creates a dense growth of stems growing closely together. In nature grows up to 4.5 m tall, with the crown reaching up to 5 m in width.
Stems: Glaucous (blue grey) Up to 7-10 cm thick. They have 5-8 ribs that are approximately 2.5 cm in depth with areoles about 2.5 cm apart.
Spines: Each areole may have up to 5-9 spines, but generally they have 3-5 spines about 5-12 mm long. Some spines but not awful.
Flowers: Rather smaller (2.5-3.7 cm) in relation to stem, greenish white.
Blooming season: March. Starts blooming when it is about 60 cm tall.
Fruit: Very sweet, edible, dark red, oblong fruits 8-20 mm in diameter.
Remarks: There are several crested clones of Myrtillocactus geometrizans that have a tendency to fan out, some will form stable crests while others (the more common) just cluster over one another. Regardless, both types make for a spectacular landscape attraction.

Subspecies, varieties, forms and cultivars of plants belonging to the Myrtillocactus geometrizans group

• Myrtillocactus geometrizans (Mart.) Console: It is a blue grey highly branched columnar candelabra like tree cactus that creates a dense growth of stems growing closely together. In nature grows up to 4.5 m tall, with the crown reaching up to 5 m in width.
• Myrtillocactus geometrizans f. cristatus variegatus hort.: has yellow ribs contrasting nicely with the underlying glaucous-blu epidermis. It forms a stable architectural crest with subsequent fan-like growth just clustering over one another.
• Myrtillocactus geometrizans f. cristatus hort.: (a.k.a. Dinosaur Back Plant) it is an interesting waxy blue cactus that forms a tree-like trunk which has a tendency to fan out clustering over one another.
• Myrtillocactus geometrizans f. variegatus hort.: has sectors, patches or stripes with distinct shades of yellow.
• Myrtillocactus geometrizans cv. Fukurokuryuzinboku: Its vernacular English names "Breast Cactus" or "Titty Cactus" comes from the particular shape of the tubercled ribs that resemble women breasts.

Myrtillocactus geometrizans f. cristatus (llifle.com)

Myrtillocactus geometrizans

Myrtillocactus geometrizans - Wikipedia