Arco are a British band noted for unusually slow, quiet, poetic music: a gig review in national newspaper "The Guardian" suggested "an hour in arco's company is the aural equivalent of a day in a flotation tank".
 Similarly, a review in "Q", a UK monthly music magazine, described first album "Coming To Terms" as "the aural equivalent of a human being pausing for thought as the world speeds on around".
Chrysobalanus is a genus of evergreen perennial shrubs to small trees, described as a genus by Linnaeus in 1753.
 It is native to sub-tropical and tropical regions of Africa, Latin America, and Florida.
Species, in metaphysics, is a specific genus-differentia defined item that is described first by its genus (genos) and then its differentia (diaphora).
 Put differently, it is an item, not necessarily biological, that belongs to a group and can be distinguished from other species in that group.
High tibial osteotomy is an orthopaedic surgical procedure which aims to correct a varus deformation with compartmental osteoarthritis.
 It is usually reserved for younger patients who are generally more active (1).
 Angular deformities were first described by Mikulicz-Radecki in 1880.
 He observed that the axis of the lower extremity passes through the three joints of the hip, knee and ankle in normal individuals and the knee center deviates from this line in angular deformities of the knee.
 In this case, the medial compartment will bear the weight in genuvarum and lateral compartment will bear weight in genuvalgum, and osteoarthritis will develop in the mentioned compartment.
 High tibial osteotomy was described first by Jackson in 1958 and has nowadays become a well-established surgery.
 Coventry, who was a pioneer in this field, has published many reports on the results of closed wedge HTO (2).
 Orthopedic dual sliding compression plate (ODSCP) was designed and introduced for open wedge high tibial osteotomies.
 The advantages over the conventional techniques are reducing the chance of accidental intra-articular extension of the osteotomy, eliminating the potential risk of unwanted translation or rotation of the bone, ability to readjust the alignment after surgery without the need to remove the bone screws (3).
 Since the population in most countries is becoming aged, the genuvarum and consequently the resulting osteoarthritis will increase, and if the patient fulfills the criteria, high tibial osteotomy is advisable (4).
Congea is a small genus of flowering plants in the mint family, Lamiaceae, first described in 1820.
Sinibrama wui is a species of ray-finned fish in the genus "Sinibrama" which is endemic to China.
 It is the type species of the genus "Sinibrama" but there is some controversy as to which form was described first.
 If the form descrinbed by S.Y Lin in 1932 is considered specifically distinct from that described by Rendahl then the form named by Rendahl should revert to the binomial "Sinibrama typus".
Setralit is a technical natural fiber based on plant fibers whose property profile has been modified selectively in order to meet different industrial requirements.
 It was first manufactured in 1989 by Jean-Léon Spehner, an Alsatian engineer, and further developed by the German company ECCO Gleittechnik GmbH.
 The name “Setralit“ is derived from the French company Setral S.à.r.l.
 which is a subsidiary company of ECCO, where Spehner was employed at that time.
 Setralit was officially described first in 1990.
Odorrana indeprensa is a true frog species in the Ranidae family, described first by Bain and Stuart 2006.
An anthropophage or anthropophagus (from Greek: "anthrōpophagos" , "people-eater", plural anthropophagi) was a member of a mythical race of cannibals described first by Herodotus in his "Histories" as androphagi ("man-eaters"), and later by other authors, including the playwright William Shakespeare.
 The word first appears in English around 1552.
Dr John Evelyn Thorndyke is a fictional detective in a long series of 22 novels and 40 short stories by British author R. Austin Freeman (1862–1943).
 Thorndyke was described by his author as a 'medical jurispractitioner': originally a medical doctor, he turned to the bar and became one of the first — in modern parlance — forensic scientists.
 His solutions were based on his method of collecting all possible data (including dust and pond weed) and making inferences from them before looking at any of the protagonists and motives in the crimes.
 (Freeman, it is said, conducted all experiments mentioned in the stories himself.)
 It is this method which gave rise to one of Freeman's most ingenious inventions, the inverted detective story, where the criminal act is described first and the interest lies in Thorndyke's subsequent unravelling of it.

Question: Which was described first, Congea or Chrysobalanus?
Answer: Chrysobalanus