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Trichocereus santaensis / Echinopsis santaensis descriptions

Trichocereus santaensis / Echinopsis santaensis descriptions

Trichocereus santaensis is columnar cactus and species described by Curt Backeberg and Werner Rauh. It is endemic to the Santa Valley in Peru. There are many different forms that belong into the larger context of T. santaensis, e.g. Trichocereus sp. Chavin de Huantar also known as El Lanzon, Trichocereus huanucoensis, Trichocereus pallarensis and many others.

Trichocereus santaensis Chavin de Huantar Echinopsis Chavin Herbalists

Echinopsis santaensis Trichocereus santaensis Rio Santa Peru Valley

Origin of Trichocereus santaensis

Northern Peru, the valley around the Rio Santa, Puente, Bedoya, Huayanca

Can be kept apart from Trichocereus cuzcoensis by the absence of swollen spine bases. It also has a more frosted blue skin color, has fewer spines and shorter middle spines. Unlike Trichocereus peruvianus, it grows always columnar and does not grow prostrate.

trichocereus santaensis Huntington Botanical Garden Echinopsis santaensis HBGTrichocereus Santaensis – Huntington Botanical Garden – by Richard Hipp!

Description of Trichocereus santaensis Rauh & backb g -. Descr. Cact. Nov. 20, 1956

Trichocereus santaensis can get up to five meters high and branches from the bottom. The stems are blue-green to a glaucous green. It has 7-9 ribs that are similarly broad than the ones on Trichocereus knuthianus aka Echinopsis knuthiana. There is a distinct furrow above the areoles. This distinct V-Notch is very strong in young pups. The areoles have a diameter of approximately 1 centimeter and Trichocereus santaensis has between 1-3 radial spines. Spines medium long to short. In addition, Trichocereus santaensis has one very long middle spine, which is up to 5 centimeters long.

Flower: The flower is white and gets up to 22 centimeters in length. It has a similar flower than other San Pedro types, which is another indicator that Trichocereus santaensis is just a regional form of another species, e.g. T. pachanoi or T. peruvianus.

Origin/Habitat: Rio Santa, Puente, Huayacana, Bedoya.

Trichocereus santaensis is very similar to Trichocereus cuzcoensis and is constantly confused with it. However, it does NOT have rounded, knobby spine basesBesides, the spination is less strong and grows always columnar instead of creeping. Today, the species would probably not be considered to be correct and extensive DNA testing is necessary to look into the limits of this species and where other species begin.

Please note that T. santaensis is very variable due to the high number of regional forms. Some of which have red spines, some with yellow spines and some where the spines are completely absent.

trichocereus santaensis Echinopsis santaensis Rio Santa

 

In the Chapter of Trichocereus peruvianus, Backeberg wrote about its growth type:

I even found the Type initially growing erect, then lying or hanging . But near Matucana (Sic!), there also are upright growing varities of Trichocereus santaensis, which probably weren´t recognized as a seperate species.
The identification of these species with Tr. macrogonus (KKDE., 20, 1941) i cannot agree with. 
However, I definitely think that some of the more spiny forms of T. santaensis could´ve been the lost T. macrogonus. Some of them are extremely spiny.
 trichocereus santaensis Echinopsis backeberg Echinopsis cactus
This is Backebergs Key for Trichocereus santaensis
Branches to 10 cm
Blue green shoots
Ribs 7, very broad, strongly furrowed,
Not flattened furrows
Spines gray-brown, brighter towards the base
Middle spines:
1 spine is longer, spines up to 4 cm long

Friedrich Ritter´s description of Trichocereus santaensis

Trichocereus SANTAENSIS RAUH & BACKBG. 1956 RAUH: BEITRÄGE PERUANISCHER KAKTEENVEGETATION
1958, s. 361
Differences from TR. Pachanoi (data for the latter in parentheses):
Body gray-green (grass green to bluish green). Ri. 6-7, usually 6 (5-8, in
Peru medium to 10 and even higher), on the Areoles a slight v-shaped
Notch (little cross notch). Ar. 3-5 mm Dm
Spines: few or absent,Rsp. to 3, a few mm to 3 cm long,
Middle Spines. usually one, often it is the only Spine, a few mm to 4 cm long.
Flower. Near the apex, about 18-19 cm long, about 12 cm wide open (up to 20 cm wide between the
outer petals), obliquely upward (about protruding horizontally), just
(with two slight curves). Nectar Chamber 19 mm long (slightly longer), without
significant gap (small space), with little or no
Nectar (with some nectar). Tube about ca 6 cm long with 2.5 cm further
Opening (longer and wider). Petals slightly shorter and narrower, the outer
almost adjacent to the interior Ones (strongly bent outwards),
SANTA Valley at 2000 m and about Depart. Ancash; only here. No. FR 567a.
Fig. 1,188,


Trichocereus santaensis Friedrich Ritter Echinopsis santaensis

Trichocereus santaensis / Echinopsis santaensis at the Rio Santa (Riley Flatten)

Trichocereus santaensis Echinopsis santaensis Rio Santa Riley Flatten Trichocereus santaensis Rio Santa Santa Valley Echinopsis santaensis Riley Flatten

Echinopsis santaensis Trichocereus santaensis Rio Santa Riley Flatten

Photos below Trichocereus santaensis / Echinopsis santaensis in Chavin de Huantar, El Lanzon (Riley Flatten)

Photo Trichocereus Chavin de Huantar El Lanzon Trichocereus santaensis Echinopsis Riley Flatten Photo Trichocereus Chavin de Huantar El Lanzon Trichocereus santaensis Echinopsis Riley Flatten 2 Photo Trichocereus Chavin de Huantar El Lanzon Trichocereus santaensis Echinopsis Riley Flatten 3 Photo Trichocereus Chavin de Huantar El Lanzon Trichocereus santaensis Echinopsis Riley Flatten 4 Photo Trichocereus Chavin de Huantar El Lanzon Trichocereus santaensis Echinopsis santaensis Riley Flatten Photo Trichocereus Chavin de Huantar El Lanzon Trichocereus santaensis Echinopsis santaensis Riley Flatten 2 Photos Trichocereus santaensis Chavin de Huantar El Lanzon Trichocereus santaensis Echinopsis santaensis Riley Flatten Photos Trichocereus santaensis Chavin de Huantar El Lanzon Trichocereus santaensis Echinopsis santaensis Riley Flatten 22 Photos Trichocereus santaensis Chavin de Huantar El Lanzon Trichocereus santaensis Echinopsis santaensis Riley Flatten 3 Photos Trichocereus santaensis Chavin de Huantar El Lanzon Trichocereus santaensis Echinopsis santaensis Riley Flatten 4 El Lanzon Photo Trichocereus santaensis Chavin de Huantar El Lanzon Trichocereus santaensis Echinopsis santaensis Riley Flatten Cactus photo Trichocereus santaensis Chavin de Huantar El Lanzon Trichocereus santaensis Echinopsis santaensis Riley Flatten Cactus photo Trichocereus santaensis Chavin de Huantar El Lanzon Trichocereus santaensis Echinopsis santaensis Riley Flatten Cactus photo Trichocereus santaensis Chavin de Huantar El Lanzon Trichocereus santaensis Echinopsis santaensis Riley Flatten 3 Cactus photo Trichocereus santaensis Chavin de Huantar El Lanzon Trichocereus santaensis Echinopsis santaensis Riley Flatten 2 Cactus photo Trichocereus santaensis Chavin de Huantar El Lanzon Trichocereus santaensis Echinopsis santaensis Riley Flatten 5 Trichocereus santaensis El Lanzon San Marcos Chavin de Huantar Trichocereus santaensis El Lanzon San Marcos Chavin de Huantar 2 Trichocereus santaensis El Lanzon San Marcos Chavin de Huantar 3 Trichocereus santaensis El Lanzon San Marcos Chavin de Huantar 4 Trichocereus santaensis El Lanzon San Marcos Chavin de Huantar 5

 

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