First evidence of rice (Oryza cf. sativa L.) and black pepper (Piper nigrum) in Roman Mursa, Croatia
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This paper presents archaeobotanical evidence of rice (Oryza cf. sativa L.) and black pepper (Piper nigrum) recovered from an early 2nd century AD septic pit excavated near the centre of colonia Aelia Mursa (Osijek, Croatia). Within Roman Panonnia the archaeobotanical record shows evidence of trade consisting mostly of local Mediterranean goods such as olives, grapes and figs, however, the recovery of rice and black pepper from Mursa provides the first evidence of exotics arriving to Pannonia from Asia. Preliminary thoughts on the role of these foods within the colony and who may have been consuming them are briefly discussed. The Roman period represents a time of major change in the diet of newly assimilated regions and the results here highlight the contribution that archaeobotanical remains can make to the growing discourse on the development of societies on the Roman frontier.
KeywordsArchaeobotany Danube Limes Pannonia Exotics Trade Asia
The Roman period represents a time of major change in diet since the expansion of trade networks meant that new foods were more widely accessible in most parts of the Roman Empire. In the newly incorporated region of Pannonia, the establishment of military installations, road systems, specialised craft production, migration and the emergence of different social classes would have had a significant impact on the diet and subsistence of the local inhabitants. By examining the archaeological remains of food, important information about people and societies can be acquired since understanding food production, how and where food was obtained, as well as consumption patterns can help us approach questions regarding status and even identity. At present, archaeologists generally tend to focus on pottery typologies rather than environmental remains as indicators of food economies. As such, investigations into the role of food during the Roman period (1st–5th century AD) in eastern Croatia are relatively rare due to the limited archaeobotanical analyses conducted in the region. To date, archaeobotanical remains have only been recovered from four sites in eastern Croatia: Vitrovitica Kiškorija (Šoštarić 2015); Osijek-Silos (Starčević 2010); Sćitarjevo and Illok (Šoštarić et al. 2006). Most of the plant remains are largely associated with agriculture, i.e. cereals, pulses and weed seeds, while a small number of Mediterranean imports have also been found, including fig and olive.
From 2013 to 2015, archaeological excavations were conducted in Osijek, Croatia, revealing three phases of occupation near the centre of colonia Aelia Mursa (hereafter named Mursa), dating from the 2nd century AD to the end of the 3rd century AD. Archaeobotanical samples were collected from two septic pits dating to the first phase of the colony (120–130s) and, surprisingly, the first sample examined revealed grains of rice and black pepper. The discovery of rice and black pepper is relatively rare in Europe as a whole, so this discovery provides the first evidence of long distance exotics arriving to Pannonia from Asia. This paper therefore presents some preliminary thoughts on what the presence of rice and black pepper may suggest for the development of the new colonia of Mursa and connects in to a broader programme of research analysing archaeobotanical, zooarchaeological, ceramics and other relevant material remains from the site.
The archaeological site
The Limes road that connected camps, forts and towers guarding the border in Pannonia followed the right bank of the Danube; however, around the confluence of the Drava and Danube marshland made the area impassable resulting in the Limes road being brought 25 km inland to Mursa. As such, Mursa was likely an important river port connecting the Drava and Danube, and although the port has yet to be located archaeologically, the Notitia Dignitatum dating to the late 4th century AD states that one of the naval bases of the Danube fleet was posted at Mursa (Not. Dign. Occ. XXXII, 52), probably to monitor and secure transport along the river Danube. In the second half of the 3rd century AD, we also see organised ecclesiastical municipalities in Pannonia, including Mursa, headed by a bishop (Mócsy 1974: 319–322; Jarak 1994; Migotti 1997; Buzov 2010.). Thus, the series of important road and river networks linking Mursa to the local military installations, as well as the wider Roman Empire, would have made the colony an important commercial, administrative and religious centre in the region (Domić Kunić 2012: 37, 44; see also Pinterović 1978). However, further suppositions about the status of Mursa within the Empire are limited from ancient texts, so only through archaeological evidence can we begin to explore aspects of the socioeconomic status of the town and its inhabitants.
Excavations conducted in 2014–2015 at Park Kraljice Jelene Kosače, Osijek (OS-KOS) revealed a crossing of two roads near the centre of Roman Mursa. Excavations also exposed the corners of two city blocks (insula A and B), where remains of commercial activities were revealed. The excavation showed three separate phases of development within this part of the city. In phase 1, dating from the founding of the colony in the 120/130s to second half of the 2nd century, the towns’ buildings were constructed entirely of wood. However, by phase 2 (end of the 2nd century AD), these wooden structures were replaced by solid buildings of brick and stone. During the 3rd century AD, a 3rd phase in which civic installations and building alterations were carried out can also be observed.
The archaeobotanical evidence
In total, 16 archaeobotanical samples were collected from the septic pits, equalling approximately 850 l of sediment. The samples were then processed through bucket flotation using a mesh of approximately 500 μm and examined using a stereo zoom microscope (5-45×). To date, only sample 391 (SJ391) has been sorted and the plant remains identified. All plant remains were carbonised, with good overall preservation (i.e. the seed epidermis was nearly intact with only slight signs of distortion caused by the fire).
Two carbonised black peppercorns (Piper nigrum) were also identified from sample 391, characterised by the prominent ridges and their almost hexagonal appearance (Fig. 3b).
The arrival of rice and black pepper to Europe
Black pepper (hereafter named pepper) refers to the dried mature fruits or berries of the tropical, perennial woody climbing plant Piper nigrum L., originating in the tropical forests bordering the Malabar Coast, southwest India. Asian rice, originating in China c. 6500–6000 cal BC (Silva et al. 2015) and India c. 2000 years later (Fuller 2011), was traded across Asia from the 3rd millennium BC and from western Asia from the 1st century AD (Fuller et al. 2010).
The early history of the rice and pepper trade to the west is sporadic, but was likely monopolised by the Arabs on a small scale until the Romans conquered Egypt c. AD 40, when trade expanded considerably (Ravindran 2000:6; Burstein 2002; Amigues 2005). The main route of trade with Asia seemed to have been via the Red Sea to Egypt (Thapar 1992). Archaeological evidence from Quseir al-Qadim and Berenike on the Red Sea suggests that both pepper and rice were traded through the ports during the 1st to early 3rd centuries AD (Cappers 2006; Van der Veen 2011; Van der Veen and Morales 2015). Even the Periplus Maris Erythraei, written around the middle of the 1st century AD, describes the east-west trade route running from Egypt and the large ships that were sent on account of the large quantities of pepper and malabathrum traded (Schoff 1912:44). It is suggested that pepper was traded (ground or as whole peppercorns) to Rome where, after AD 92, it was stored in special warehouses called horrea piperataria near the Via Sacra (Warmington 1928: 183). If un-ground, the peppercorns would have been crushed in pepper mills (molae piperatariae) and mortars and sold in paper packets in the Vicus unguentarius (ibid.).
How did rice and pepper arrive in Mursa?
Other routes through which rice and pepper could have been traded include the roads that connected southern Pannonia with the east Adriatic coast, which already existed and were used for trade by the 1st century AD (Bojanovski 1974: 192–202; Migotti 2000; Kovács 2014: 46). Another route, which is rarely explored, is that along the Lower Danube. In particular, the Black Sea is an area where several large and wealthy city ports existed that facilitated trade between other major ports of the Empire, as well as connecting to the Silk Road (McLaughlin 2010: 90–1).
Society, culture and food in Roman Mursa
The unique discovery of rice and pepper dating to the 2nd century AD brings to the fore questions on who was consuming them, whether there was a great demand for such items and what this may say about society and culture in Mursa.
Uses and economic status of rice and black pepper during the Roman period
The status of pepper and rice in Roman Europe is suggested to be one of ‘luxury’ as such products came from a far and distant land and were therefore difficult to get hold of, making them prestige items only enjoyed by the upper echelons of society (e.g. Van der Veen and Morales 2015). For example, Pliny (NH 12.14) complains about such excesses, as the need to import such luxury items from India required large quantities of gold and silver coinage to be sent in exchange for the spice. Pepper is also mentioned in nearly every recipe of Apicius’ De re coquinaria dating to the 3rd century AD, which may indicate both its high status in society, and a fashion for heavily spiced foods (Warmington 1928: 182; Déry 1996).
Archaeologically, peppercorns and rice are rare, supporting theories that they were ‘luxury’ or high status food items. Their remains are usually found associated with military camps or towns, particularly along the European Limes (Knörzer 1966, 1970:13,28; Furger 1995; Zach 2002:104–5; Livarda and Van der Veen 2008; Nesbitt et al. 2010:329; Livarda 2011). The contexts range from city sewers to military hospitals and sacrificial pits. For example, the Roman military encampment near Dusseldorf, Germany, produced 196 charred grains of rice dating to the first quarter of the 1st century AD (Knörzer 1966, 1970; Konen 1999). These were recovered from a building identified as a military hospital, along with a range of other possible medicinal plants, suggesting that rice was valued for its medicinal properties. This is also regularly seen in various Roman pharmaceutical and medical treatises. For instance, Celsus (Book II, Cap. XXIII-XXIV) notes that soaked rice is good for thickening phlegm and the stomach.
Yet, other finds are less substantial. At Mogontiacum (Mainz), the capital of Germania Superior, a single possible grain of rice (cf. Oryza sativa) was found in a sacrificial pit at the temple of Isis and Magna Mater dating to the second half of the 1st century AD or slightly later (Zach 2002). Mineralised black peppercorns have also been found from the Cardo V sewer in Herculaneum (Rowan 2014), while in Roman London pepper has been found at a few excavations, including in a cremation and in the early trading settlement of Southwark (Cowan et al. 2009:102). Overall, it has been suggested that these finds may indicate certain privileges being bestowed onto military camps and towns (Livarda 2011). How these items were used may have therefore ranged from being consumed as part of a ‘luxury’ meal, being incorporated in an army first aid kit or integrated within important rituals.
However, at the height of the eastern trade the largest export in tonnage from India to the Mediterranean world was likely pepper, which may have actually reduced its market value, allowing the average person to procure it at a reasonable price (Warmington 1928:233). Pliny (NH 12.14.28) even notes that black pepper was cheaper, at four denarii per pound, than white pepper (seven denarii per pound) and long pepper (15 denarii per pound). While these observations come from markets in Rome, at the fort of Vindolanda along Hadrian’s Wall, a recovered writing tablet shows that a low ranking soldier was able to purchase pepper (although no quantities were listed) for the small sum of 2 denarii near the end of the 1st century AD (Tab. Vindol. II. 184). The frequent mention of pepper in ancient texts on food, trade, medicine and rituals indicates that these commodities were relatively well known by the Roman populations (Sidebotham 2011:250). In addition, the absence of pepper from the Alexandrian tariff (codified c. AD 176–180), which listed spices subject to the 25% import duty, may imply that it was a staple rather than a luxury item (Tomber 2008:55).
Socio-cultural change in Pannonia: the influence of the army
The role of ‘elites’ has often been suggested as a key driver in the importation of exotic food plants to the frontier (Livarda 2011); however, exactly who comprised the upper strata of Mursan society is still unclear since there is little epigraphic evidence or signs of any wealthy burials. Instead, what we do know is that Mursa was established as a veteran colony by Hadrian, and that soldiers honourably discharged after the end of their military service were settled in less-populated areas to strengthen the local infrastructure (Tacitus, Ann. 14.27.2). Upon retirement, veterans received either a piece of land (misso agrarian) or a cash payment (misso nummaria) to start their civilian life (Wesch-Klein 2007:439). Many veterans possessed multiple skills, including specialisations in crafts, technologies and medicine (Wesch-Klein 2007:444). This would have meant that as Mursa was settled, skilled individuals, possibly perceived as a provincial ‘middle class’, could have gained access to a range of imported goods that had been previously restricted to societies ‘elite’(cf. Mayer 2012: 215).
The veterans would have been highly regional in origin with their own identity embedded within the common military culture that likely developed around commonalities in dress, training, language (Latin) and rituals (cf. James 1999; Wells 1999). This would have allowed for individual preferences to be incorporated into military life, such as preferences for certain foodstuff (e.g. King 1999). Many officials, soldiers and veterans would have been well paid and enjoyed certain privileges (James 1999; Mattingly 2006:166), but little can be found in literary sources on the provision of exotic foods to the army. Nevertheless, archaeologically, it is clear that exotic plants have been identified from military contexts (e.g. Bakels and Jacomet 2003; Livarda 2011). For example, black peppercorns were recovered from the legionary camp in Oberaden (Kučan 1992; Bakels and Jacomet 2003), while at Nijmegen, a pot with pickled thrush breasts was found (Carroll 2005:368), which suggests that legions were exposed to different luxury and exotic foodstuffs.
These demands for certain food items are likely to have resulted in distinct changes in trade and supply demands along the Danube Limes (Mócsy 2015:120). Mursa was therefore uniquely positioned to become a centre of logistics through which goods could be distributed to the frontier (Pinterović et al. 2014): this cooperation of supplying goods between the army and nearby civil settlement is seen elsewhere in the Empire (Adams 1999). The Roman army could have then played a role in the dissemination of certain foodstuffs into Pannonia, while the veterans who settled in Mursa may have continued their original dietary habits, possibly exploiting army supply networks in the region. Thus, Mursa would have been only a part of a much broader distribution system in the region supplying, among other things, ‘exotic/luxury’ foodstuffs to the town and potentially to the army.
The discovery of rice and black pepper from an early 2nd century septic pit within Roman Mursa is the first archaeobotanical evidence of long distance exotics being imported into Pannonia. Unfortunately, the discovery of rice and black pepper in Mursa raises more questions than can be answered at this stage, such as who was consuming these foodstuffs, whether there was a great demand for such items and what this may say about society and culture in Mursa. Whether its presence can be seen as a ‘Roman’ food or as the adoption of ‘Roman’ culture is highly debatable and needs further examination, but its presence does show the exploitation of the wider Roman food system and the evolution of diets in the region. The many trade routes leading into Mursa also make it difficult to determine how the plants arrived to the town, but the presence of the military and the fact that Mursa was a veteran colony are likely to have been key drivers in the spread and/or acquisition of such exotics in the town. Further archaeological and archaeobotanical analyses over the coming years will hopefully help to elucidate further on some of these questions, but it is important to stress the contribution that archaeobotanical remains can make to the growing discourse on the development of societies on the Roman frontier.
Many thanks to Hrvoje Kalafatić for helping with the flotation of the archaeobotanical samples. I would also like to thank Matthew J. Mandich and the two anonymous referees who provided valuable comments on an earlier version of the manuscript.
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