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Armatocereus
''Armatocereus'' (from Latin ''armatus'', "armed" and ''cereus'', "pliant/soft") is a genus of mostly tree-like cacti from South America (Ecuador and Peru). These species have a conspicuous constriction at the end of the annual growth. The flowers are mostly white, with a more or less spiny ovary (plants), ovary. The fruits are mostly spiny. Description ''Armatocereus'' species are columnar cacti, bushlike or treelike, with cylindrical upright branched stems. The stems have 5–12 distinct ribs, and are made up of sections with a narrower "neck" between them, corresponding to annual growth. The large areoles bear strong spines, rarely few or none. The narrow tubular flowers appear at night, and have a spiny ovary and floral tube and white petals (red in ''Armatocereus rauhii, A. rauhii''). The red or green fruit is large, globular or ovoid, with strong spines that are lost on maturity. It contains large black seeds, ovoid or kidney-shaped. Taxonomy The genus name was first ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Armatocereus Godingianus
''Armatocereus godingianus'' is a species of ''Armatocereus'' from Ecuador and Peru. Description ''Armatocereus godingianus'' grows in the form of a shrub or tree with numerous spreading shoots and reaches heights of up to 10 meters. A smooth trunk of up to 1.5 meters in height and a diameter of 15 - is often formed. The dark green shoots are divided into 30 - long segments with a diameter of 7 - , which are thickest at their base. There are seven to eleven ribs, separated by deep incisions, that are 1.5 - high. The 15 - 25 needle-like, flexible, brown or yellow spines later turn gray and are spread out in all directions. They have a length of 1 - . The white flowers are long and have a diameter of . The egg-shaped fruits are initially green and later turn brown and long. Subspecies Distribution ''Armatocereus godingianus'' is common in Ecuador in Chimborazo Province along the Río Chanchán and in Azuay Province at altitudes of 1200 to 2300 meters. Taxonomy The first de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Armatocereus Rauhii
''Armatocereus rauhii'' is a tall, branched columnar species of cactus endemic to the north of Peru on the western slopes of the Andes. Description ''Armatocereus'' is a tall, treelike cactus, bluish to greyish green in colour, usually with a trunk to about high followed by upright branches. Depending on the subspecies, it reaches a maximum height of , with branches thick. The stems have 6–12 ribs. The areoles bear about 6–7 short spines, only long – somewhat more spines in the case of subspecies ''balsasensis''. The flowers are long, carmine or purple in colour, with black to red spines on the floral tube. Taxonomy The species was first described by Curt Backeberg in 1957. The specific epithet ''rauhii'' honours Werner Rauh. Two species described by Friedrich Ritter in 1981, ''Armatocereus balsasensis'' and ''Armatocereus arduus'', are included in this species, as synonyms of ''A. rauhii'' subsp. ''balsasensis'', by some sources. Other sources maintain ''A. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Armatocereus Laetus
''Armatocereus laetus'' is a species of ''Armatocereus'' from Peru. Description ''Armatocereus laetus'' grows columnar tree-like, branched above the ground and reaches growth heights of 4 to 6 meters. A short massive trunk is formed. The gray-green shoots are columnar and erect. Four to eight ribs are present. The six to twelve initially brown spines become whitish or grayish with age. The white flowers are 7 to 8 centimeters long and up to 5 centimeters in diameter. The green fruits are heavily spined. Distribution ''Armatocereus laetus'' is distributed in northern Peru and southern Ecuador. Taxonomy The first description as ''Cactus laetus'' was in 1923 by Karl Sigismund Kunth. Arthur William Hill Sir Arthur William Hill (11 October 1875, in Watford – 3 November 1941, in Richmond, London, Richmond) was Director of the Royal Botanic Gardens, Kew, and a noted botanist and taxonomist. The only son of Daniel Hill, he attended Marlboroug ... placed the species in the gen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Armatocereus Cartwrightianus
''Armatocereus cartwrightianus'' is a species of ''Armatocereus'' from Ecuador and Peru. Description ''Armatocereus cartwrightianus'' grows as a shrub or tree and reaches heights of up to 12 meters. Usually a well-developed trunk of up to 2 meters in height and a diameter of is formed. The dark green shoots are divided into long segments with a diameter of , which are tapered at both ends. There are six to nine ribs, separated by deep incisions, that are high. The needle-like, brown thorns later turn white and have a darker tip. The one to four central spines have a length of . The 15 to 25 spread radial spines are long. The white flowers stand out horizontally. They are long and have a diameter of . The egg-shaped fruits are initially green and later turn red. They are long. Distribution ''Armatocereus cartwrightianus'' is distributed on dry coastal plains in southern Ecuador and northern Peru. Taxonomy The first description as ''Lemaireocereus cartwrightianus'' by Nathan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Armatocereus Procerus
''Armatocereus procerus'' is a species of ''Armatocereus'' found in southern Peru. Description ''Armatocereus procerus'' grows like a tree, usually has no clear trunk and reaches a height of up to 7 meters. The upright dark green or grey-green shoots are clearly divided into segments. There are eight to ten ribs on which there are large areoles. The one to four yellowish central spines have a darker tip and are up to long. The 15 to 20 radial spines are each up to long. The white flowers are up to long and have a diameter of . The fruits are green, and up to long. Distribution ''Armatocereus procerus'' is distributed in the Peruvian regions of Ancash, Lima and Ica. In the IUCN Red List of Threatened Species, the species is listed as "Least Concern (LC)". Taxonomy The first description by Werner Rauh and Curt Backeberg was published in 1956. References External links * * {{Taxonbar, from=Q679418 procerus The procerus muscle (or pyramidalis nasi) is a small pyrami ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
